./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i --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/race-1_1-join.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 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/ldv-races/race-1_1-join.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-1_1-join.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-ab2e0ac-m [2024-01-29 14:15:36,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:15:36,358 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:15:36,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:15:36,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:15:36,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:15:36,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:15:36,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:15:36,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:15:36,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:15:36,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:15:36,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:15:36,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:15:36,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:15:36,399 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:15:36,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:15:36,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:15:36,400 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:15:36,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:15:36,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:15:36,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:15:36,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:15:36,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:15:36,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:15:36,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:15:36,402 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:15:36,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:15:36,402 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:15:36,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:15:36,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:15:36,404 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:15:36,404 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:15:36,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:15:36,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:15:36,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:15:36,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:15:36,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:15:36,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:15:36,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:15:36,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:15:36,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:15:36,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:15:36,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:15:36,642 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:15:36,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2024-01-29 14:15:37,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:15:38,035 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:15:38,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2024-01-29 14:15:38,050 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8dcd5b4/e44ec9d815a44ce0b1964a8cad5b591a/FLAGb01f4af0e [2024-01-29 14:15:38,063 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8dcd5b4/e44ec9d815a44ce0b1964a8cad5b591a [2024-01-29 14:15:38,065 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:15:38,066 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:15:38,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/race-1_1-join.yml/witness.yml [2024-01-29 14:15:38,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:15:38,163 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:15:38,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:15:38,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:15:38,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:15:38,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:15:38" (1/2) ... [2024-01-29 14:15:38,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdd0f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:15:38, skipping insertion in model container [2024-01-29 14:15:38,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:15:38" (1/2) ... [2024-01-29 14:15:38,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3379c2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:15:38, skipping insertion in model container [2024-01-29 14:15:38,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:38" (2/2) ... [2024-01-29 14:15:38,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdd0f8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:38, skipping insertion in model container [2024-01-29 14:15:38,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:38" (2/2) ... [2024-01-29 14:15:38,172 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:15:38,248 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:15:38,249 INFO L98 nessWitnessExtractor]: Location invariant before [L1722-L1722] (unsigned long )status == 0UL [2024-01-29 14:15:38,250 INFO L98 nessWitnessExtractor]: Location invariant before [L1706-L1706] pdev == 0 [2024-01-29 14:15:38,250 INFO L98 nessWitnessExtractor]: Location invariant before [L1709-L1709] pdev == 1 [2024-01-29 14:15:38,250 INFO L98 nessWitnessExtractor]: Location invariant before [L1720-L1720] (unsigned long )status == 0UL [2024-01-29 14:15:38,250 INFO L98 nessWitnessExtractor]: Location invariant before [L1715-L1715] pdev == 3 [2024-01-29 14:15:38,251 INFO L98 nessWitnessExtractor]: Location invariant before [L1702-L1702] (unsigned long )arg == 0UL [2024-01-29 14:15:38,251 INFO L98 nessWitnessExtractor]: Location invariant before [L1708-L1711] pdev == 1 [2024-01-29 14:15:38,251 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] (pdev == 1 || pdev == 5) || pdev == 6 [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] pdev <= 6 [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] 1 <= pdev [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] pdev != 0 [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] 0 <= pdev [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] pdev <= 127 [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1699-L1699] (unsigned long )arg == 0UL [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L1712-L1712] pdev == 1 [2024-01-29 14:15:38,252 INFO L98 nessWitnessExtractor]: Location invariant before [L22-L22] pdev == 1 [2024-01-29 14:15:38,253 INFO L98 nessWitnessExtractor]: Location invariant before [L1721-L1721] (unsigned long )status == 0UL [2024-01-29 14:15:38,253 INFO L98 nessWitnessExtractor]: Location invariant before [L1698-L1698] (unsigned long )arg == 0UL [2024-01-29 14:15:38,253 INFO L98 nessWitnessExtractor]: Location invariant after [L1717-L1723] (unsigned long )status == 0UL [2024-01-29 14:15:38,253 INFO L98 nessWitnessExtractor]: Location invariant before [L1713-L1713] pdev == 3 [2024-01-29 14:15:38,253 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (pdev == 1 || pdev == 5) || pdev == 6 [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] 1 <= pdev [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] 0 <= pdev [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] (unsigned long )arg == 0UL [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] pdev <= 6 [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] pdev <= 127 [2024-01-29 14:15:38,254 INFO L98 nessWitnessExtractor]: Location invariant before [L1701-L1701] pdev != 0 [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1714-L1714] pdev == 3 [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (pdev == 1 || pdev == 5) || pdev == 6 [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] pdev <= 127 [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] (unsigned long )arg == 0UL [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] 1 <= pdev [2024-01-29 14:15:38,255 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] pdev <= 6 [2024-01-29 14:15:38,256 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] 0 <= pdev [2024-01-29 14:15:38,256 INFO L98 nessWitnessExtractor]: Location invariant before [L1700-L1700] pdev != 0 [2024-01-29 14:15:38,256 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] expression == 0 [2024-01-29 14:15:38,256 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] ((((((((0 <= pdev && 1 <= pdev) && pdev <= 3) && pdev <= 127) && expression == 1) && pdev % 2 == 1) && pdev != 0) && (pdev == 1 || pdev == 3)) || ((0 <= expression && expression <= 1) && (expression == 0 || expression == 1))) || ((((((((0 <= expression && 0 <= pdev) && 1 <= pdev) && expression <= 1) && pdev <= 6) && pdev <= 127) && pdev != 0) && (expression == 0 || expression == 1)) && ((pdev == 1 || pdev == 5) || pdev == 6)) [2024-01-29 14:15:38,256 INFO L98 nessWitnessExtractor]: Location invariant before [L1693-L1693] expression == 1 [2024-01-29 14:15:38,257 INFO L98 nessWitnessExtractor]: Location invariant before [L1705-L1705] pdev == 0 [2024-01-29 14:15:38,258 INFO L98 nessWitnessExtractor]: Location invariant before [L1707-L1707] pdev == 1 [2024-01-29 14:15:38,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:15:38,911 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2024-01-29 14:15:38,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:15:38,969 INFO L202 MainTranslator]: Completed pre-run [2024-01-29 14:15:38,976 WARN L424 MainDispatcher]: Unable to annotate typedef unsigned int __mode_t; with a witness entry [2024-01-29 14:15:39,020 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2024-01-29 14:15:39,021 WARN L424 MainDispatcher]: Unable to annotate void ldv_assert(int expression) { if (!expression) { ERROR: {reach_error();abort();}}; return; } 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 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 14:15:39,073 WARN L424 MainDispatcher]: Unable to annotate void module_exit() { void *status; pthread_join(t1, &status); pthread_mutex_destroy(&mutex); pdev = 5; ldv_assert(pdev==5); } with a witness entry [2024-01-29 14:15:39,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:15:39,147 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:15:39,148 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:15:39 WrapperNode [2024-01-29 14:15:39,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:15:39,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:15:39,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:15:39,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:15:39,155 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,179 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,202 INFO L138 Inliner]: procedures = 481, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-01-29 14:15:39,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:15:39,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:15:39,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:15:39,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:15:39,213 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,213 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,217 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,235 INFO L175 MemorySlicer]: Split 14 memory accesses to 4 slices as follows [2, 3, 5, 4]. 36 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 1, 5, 0]. The 2 writes are split as follows [0, 1, 0, 1]. [2024-01-29 14:15:39,237 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,237 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,245 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,261 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,264 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,266 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:15:39,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:15:39,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:15:39,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:15:39,280 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 02:15:39" (1/1) ... [2024-01-29 14:15:39,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:15:39,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:15:39,342 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 14:15:39,365 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 14:15:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:15:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-01-29 14:15:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-01-29 14:15:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-01-29 14:15:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-01-29 14:15:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:15:39,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-01-29 14:15:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:15:39,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:15:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:15:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:15:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:15:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:15:39,386 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 14:15:39,651 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:15:39,652 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:15:39,910 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:15:39,910 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:15:40,001 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:15:40,001 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-29 14:15:40,003 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:15:40 BoogieIcfgContainer [2024-01-29 14:15:40,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:15:40,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:15:40,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:15:40,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:15:40,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:15:38" (1/4) ... [2024-01-29 14:15:40,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1adfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:15:40, skipping insertion in model container [2024-01-29 14:15:40,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:15:38" (2/4) ... [2024-01-29 14:15:40,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1adfb3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:15:40, skipping insertion in model container [2024-01-29 14:15:40,010 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 02:15:39" (3/4) ... [2024-01-29 14:15:40,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1adfb3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:15:40, skipping insertion in model container [2024-01-29 14:15:40,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:15:40" (4/4) ... [2024-01-29 14:15:40,013 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-01-29 14:15:40,027 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:15:40,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2024-01-29 14:15:40,027 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:15:40,090 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-29 14:15:40,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 107 transitions, 221 flow [2024-01-29 14:15:40,162 INFO L124 PetriNetUnfolderBase]: 5/110 cut-off events. [2024-01-29 14:15:40,163 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:15:40,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 5/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 138 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 61. Up to 3 conditions per place. [2024-01-29 14:15:40,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 107 transitions, 221 flow [2024-01-29 14:15:40,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 102 transitions, 210 flow [2024-01-29 14:15:40,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:15:40,188 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;@652a3d77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:15:40,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-01-29 14:15:40,190 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:15:40,190 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:15:40,190 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:40,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:40,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:15:40,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:40,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash 12241, now seen corresponding path program 1 times [2024-01-29 14:15:40,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:40,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259981306] [2024-01-29 14:15:40,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:40,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:40,433 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 14:15:40,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:40,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259981306] [2024-01-29 14:15:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259981306] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:40,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:40,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:15:40,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484162733] [2024-01-29 14:15:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:40,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:40,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:40,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:40,543 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 107 [2024-01-29 14:15:40,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 102 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 14:15:40,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:40,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 107 [2024-01-29 14:15:40,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:40,679 INFO L124 PetriNetUnfolderBase]: 125/452 cut-off events. [2024-01-29 14:15:40,679 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-29 14:15:40,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 452 events. 125/452 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1974 event pairs, 110 based on Foata normal form. 8/381 useless extension candidates. Maximal degree in co-relation 695. Up to 265 conditions per place. [2024-01-29 14:15:40,684 INFO L140 encePairwiseOnDemand]: 97/107 looper letters, 49 selfloop transitions, 5 changer transitions 0/102 dead transitions. [2024-01-29 14:15:40,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 102 transitions, 318 flow [2024-01-29 14:15:40,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 209 transitions. [2024-01-29 14:15:40,694 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6510903426791277 [2024-01-29 14:15:40,695 INFO L175 Difference]: Start difference. First operand has 103 places, 102 transitions, 210 flow. Second operand 3 states and 209 transitions. [2024-01-29 14:15:40,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 102 transitions, 318 flow [2024-01-29 14:15:40,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 102 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:40,701 INFO L231 Difference]: Finished difference. Result has 101 places, 97 transitions, 206 flow [2024-01-29 14:15:40,702 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=206, PETRI_PLACES=101, PETRI_TRANSITIONS=97} [2024-01-29 14:15:40,705 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -2 predicate places. [2024-01-29 14:15:40,705 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 97 transitions, 206 flow [2024-01-29 14:15:40,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 14:15:40,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:40,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:15:40,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:15:40,706 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:40,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash 11777516, now seen corresponding path program 1 times [2024-01-29 14:15:40,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:40,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656502091] [2024-01-29 14:15:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:40,765 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 14:15:40,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:40,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656502091] [2024-01-29 14:15:40,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656502091] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:40,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:40,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:15:40,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390300925] [2024-01-29 14:15:40,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:40,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:40,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:40,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:40,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:40,820 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 107 [2024-01-29 14:15:40,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 97 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 14:15:40,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:40,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 107 [2024-01-29 14:15:40,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:40,886 INFO L124 PetriNetUnfolderBase]: 90/367 cut-off events. [2024-01-29 14:15:40,886 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-29 14:15:40,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 367 events. 90/367 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1536 event pairs, 5 based on Foata normal form. 9/322 useless extension candidates. Maximal degree in co-relation 540. Up to 199 conditions per place. [2024-01-29 14:15:40,889 INFO L140 encePairwiseOnDemand]: 94/107 looper letters, 44 selfloop transitions, 3 changer transitions 0/92 dead transitions. [2024-01-29 14:15:40,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 92 transitions, 288 flow [2024-01-29 14:15:40,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2024-01-29 14:15:40,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6355140186915887 [2024-01-29 14:15:40,891 INFO L175 Difference]: Start difference. First operand has 101 places, 97 transitions, 206 flow. Second operand 3 states and 204 transitions. [2024-01-29 14:15:40,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 92 transitions, 288 flow [2024-01-29 14:15:40,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 280 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:40,893 INFO L231 Difference]: Finished difference. Result has 91 places, 87 transitions, 182 flow [2024-01-29 14:15:40,894 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2024-01-29 14:15:40,894 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -12 predicate places. [2024-01-29 14:15:40,894 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 182 flow [2024-01-29 14:15:40,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 14:15:40,895 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:40,895 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:15:40,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:15:40,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:40,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:40,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1566694955, now seen corresponding path program 1 times [2024-01-29 14:15:40,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:40,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474006377] [2024-01-29 14:15:40,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:40,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:15:40,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:40,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474006377] [2024-01-29 14:15:40,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474006377] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:40,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:40,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:15:40,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967142144] [2024-01-29 14:15:40,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:40,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:15:40,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:15:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:15:41,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 107 [2024-01-29 14:15:41,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 182 flow. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 14:15:41,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 107 [2024-01-29 14:15:41,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,142 INFO L124 PetriNetUnfolderBase]: 90/363 cut-off events. [2024-01-29 14:15:41,142 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-29 14:15:41,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 363 events. 90/363 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1540 event pairs, 5 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 120. Up to 199 conditions per place. [2024-01-29 14:15:41,149 INFO L140 encePairwiseOnDemand]: 98/107 looper letters, 43 selfloop transitions, 7 changer transitions 0/88 dead transitions. [2024-01-29 14:15:41,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 88 transitions, 284 flow [2024-01-29 14:15:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:15:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:15:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 267 transitions. [2024-01-29 14:15:41,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49906542056074765 [2024-01-29 14:15:41,154 INFO L175 Difference]: Start difference. First operand has 91 places, 87 transitions, 182 flow. Second operand 5 states and 267 transitions. [2024-01-29 14:15:41,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 88 transitions, 284 flow [2024-01-29 14:15:41,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 88 transitions, 278 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:41,158 INFO L231 Difference]: Finished difference. Result has 89 places, 83 transitions, 182 flow [2024-01-29 14:15:41,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=182, PETRI_PLACES=89, PETRI_TRANSITIONS=83} [2024-01-29 14:15:41,160 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -14 predicate places. [2024-01-29 14:15:41,160 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 83 transitions, 182 flow [2024-01-29 14:15:41,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 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 14:15:41,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:15:41,161 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash -11145780, now seen corresponding path program 1 times [2024-01-29 14:15:41,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227319272] [2024-01-29 14:15:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:41,232 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 14:15:41,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:41,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227319272] [2024-01-29 14:15:41,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227319272] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:41,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:41,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:15:41,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760476239] [2024-01-29 14:15:41,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:41,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:41,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:41,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:41,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:41,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 107 [2024-01-29 14:15:41,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 83 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 14:15:41,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 107 [2024-01-29 14:15:41,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,336 INFO L124 PetriNetUnfolderBase]: 85/260 cut-off events. [2024-01-29 14:15:41,336 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-01-29 14:15:41,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 260 events. 85/260 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1108 event pairs, 85 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 386. Up to 208 conditions per place. [2024-01-29 14:15:41,338 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 36 selfloop transitions, 0 changer transitions 6/80 dead transitions. [2024-01-29 14:15:41,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 80 transitions, 258 flow [2024-01-29 14:15:41,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 200 transitions. [2024-01-29 14:15:41,339 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6230529595015576 [2024-01-29 14:15:41,339 INFO L175 Difference]: Start difference. First operand has 89 places, 83 transitions, 182 flow. Second operand 3 states and 200 transitions. [2024-01-29 14:15:41,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 80 transitions, 258 flow [2024-01-29 14:15:41,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 80 transitions, 244 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:15:41,341 INFO L231 Difference]: Finished difference. Result has 84 places, 74 transitions, 150 flow [2024-01-29 14:15:41,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=84, PETRI_TRANSITIONS=74} [2024-01-29 14:15:41,342 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -19 predicate places. [2024-01-29 14:15:41,342 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 74 transitions, 150 flow [2024-01-29 14:15:41,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 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 14:15:41,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,342 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:15:41,343 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2119729168, now seen corresponding path program 1 times [2024-01-29 14:15:41,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408643700] [2024-01-29 14:15:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:41,440 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 14:15:41,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:41,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408643700] [2024-01-29 14:15:41,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408643700] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:41,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:41,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:15:41,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690340563] [2024-01-29 14:15:41,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:41,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:15:41,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:15:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:15:41,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 107 [2024-01-29 14:15:41,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 74 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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 14:15:41,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 107 [2024-01-29 14:15:41,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,521 INFO L124 PetriNetUnfolderBase]: 35/324 cut-off events. [2024-01-29 14:15:41,522 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:41,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 324 events. 35/324 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1512 event pairs, 0 based on Foata normal form. 24/268 useless extension candidates. Maximal degree in co-relation 421. Up to 82 conditions per place. [2024-01-29 14:15:41,523 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 29 selfloop transitions, 2 changer transitions 0/74 dead transitions. [2024-01-29 14:15:41,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 74 transitions, 212 flow [2024-01-29 14:15:41,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:15:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:15:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 300 transitions. [2024-01-29 14:15:41,525 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7009345794392523 [2024-01-29 14:15:41,525 INFO L175 Difference]: Start difference. First operand has 84 places, 74 transitions, 150 flow. Second operand 4 states and 300 transitions. [2024-01-29 14:15:41,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 74 transitions, 212 flow [2024-01-29 14:15:41,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 74 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-29 14:15:41,527 INFO L231 Difference]: Finished difference. Result has 75 places, 69 transitions, 144 flow [2024-01-29 14:15:41,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=144, PETRI_PLACES=75, PETRI_TRANSITIONS=69} [2024-01-29 14:15:41,528 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -28 predicate places. [2024-01-29 14:15:41,528 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 69 transitions, 144 flow [2024-01-29 14:15:41,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 68.75) internal successors, (275), 4 states have internal predecessors, (275), 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 14:15:41,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,528 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:15:41,529 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2109743687, now seen corresponding path program 1 times [2024-01-29 14:15:41,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855965977] [2024-01-29 14:15:41,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:41,575 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 14:15:41,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:41,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855965977] [2024-01-29 14:15:41,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855965977] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:41,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:41,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:15:41,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788295537] [2024-01-29 14:15:41,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:41,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:41,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:41,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:41,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:41,620 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 107 [2024-01-29 14:15:41,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 69 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 14:15:41,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 107 [2024-01-29 14:15:41,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,682 INFO L124 PetriNetUnfolderBase]: 50/258 cut-off events. [2024-01-29 14:15:41,682 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:41,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 394 conditions, 258 events. 50/258 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 976 event pairs, 5 based on Foata normal form. 36/265 useless extension candidates. Maximal degree in co-relation 390. Up to 102 conditions per place. [2024-01-29 14:15:41,683 INFO L140 encePairwiseOnDemand]: 99/107 looper letters, 32 selfloop transitions, 2 changer transitions 0/68 dead transitions. [2024-01-29 14:15:41,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 68 transitions, 210 flow [2024-01-29 14:15:41,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:41,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 208 transitions. [2024-01-29 14:15:41,684 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6479750778816199 [2024-01-29 14:15:41,685 INFO L175 Difference]: Start difference. First operand has 75 places, 69 transitions, 144 flow. Second operand 3 states and 208 transitions. [2024-01-29 14:15:41,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 68 transitions, 210 flow [2024-01-29 14:15:41,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 68 transitions, 207 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:41,686 INFO L231 Difference]: Finished difference. Result has 69 places, 63 transitions, 133 flow [2024-01-29 14:15:41,686 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=69, PETRI_TRANSITIONS=63} [2024-01-29 14:15:41,687 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -34 predicate places. [2024-01-29 14:15:41,687 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 63 transitions, 133 flow [2024-01-29 14:15:41,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 14:15:41,687 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,688 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:15:41,688 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,688 INFO L85 PathProgramCache]: Analyzing trace with hash -239104485, now seen corresponding path program 1 times [2024-01-29 14:15:41,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115360121] [2024-01-29 14:15:41,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:41,733 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 14:15:41,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:41,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115360121] [2024-01-29 14:15:41,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115360121] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:41,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:41,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:15:41,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142495201] [2024-01-29 14:15:41,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:41,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:41,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:41,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:41,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:41,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 107 [2024-01-29 14:15:41,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 63 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 14:15:41,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 107 [2024-01-29 14:15:41,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,814 INFO L124 PetriNetUnfolderBase]: 50/239 cut-off events. [2024-01-29 14:15:41,814 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-01-29 14:15:41,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 239 events. 50/239 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 829 event pairs, 50 based on Foata normal form. 12/227 useless extension candidates. Maximal degree in co-relation 377. Up to 129 conditions per place. [2024-01-29 14:15:41,815 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 28 selfloop transitions, 1 changer transitions 0/59 dead transitions. [2024-01-29 14:15:41,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 59 transitions, 183 flow [2024-01-29 14:15:41,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 189 transitions. [2024-01-29 14:15:41,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5887850467289719 [2024-01-29 14:15:41,817 INFO L175 Difference]: Start difference. First operand has 69 places, 63 transitions, 133 flow. Second operand 3 states and 189 transitions. [2024-01-29 14:15:41,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 59 transitions, 183 flow [2024-01-29 14:15:41,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 59 transitions, 179 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:41,818 INFO L231 Difference]: Finished difference. Result has 65 places, 59 transitions, 123 flow [2024-01-29 14:15:41,818 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=65, PETRI_TRANSITIONS=59} [2024-01-29 14:15:41,819 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -38 predicate places. [2024-01-29 14:15:41,819 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 123 flow [2024-01-29 14:15:41,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 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 14:15:41,819 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,819 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:15:41,820 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash -844939553, now seen corresponding path program 1 times [2024-01-29 14:15:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024194309] [2024-01-29 14:15:41,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:41,864 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 14:15:41,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:41,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024194309] [2024-01-29 14:15:41,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024194309] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:41,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:41,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-29 14:15:41,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452687426] [2024-01-29 14:15:41,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:41,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:15:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:41,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:15:41,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:15:41,904 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 107 [2024-01-29 14:15:41,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 123 flow. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 14:15:41,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:41,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 107 [2024-01-29 14:15:41,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:41,942 INFO L124 PetriNetUnfolderBase]: 30/202 cut-off events. [2024-01-29 14:15:41,942 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:15:41,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 202 events. 30/202 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 689 event pairs, 5 based on Foata normal form. 6/188 useless extension candidates. Maximal degree in co-relation 290. Up to 58 conditions per place. [2024-01-29 14:15:41,943 INFO L140 encePairwiseOnDemand]: 103/107 looper letters, 28 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2024-01-29 14:15:41,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 62 transitions, 189 flow [2024-01-29 14:15:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:15:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:15:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 191 transitions. [2024-01-29 14:15:41,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5950155763239875 [2024-01-29 14:15:41,945 INFO L175 Difference]: Start difference. First operand has 65 places, 59 transitions, 123 flow. Second operand 3 states and 191 transitions. [2024-01-29 14:15:41,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 62 transitions, 189 flow [2024-01-29 14:15:41,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 62 transitions, 188 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:15:41,946 INFO L231 Difference]: Finished difference. Result has 64 places, 57 transitions, 122 flow [2024-01-29 14:15:41,946 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=64, PETRI_TRANSITIONS=57} [2024-01-29 14:15:41,946 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -39 predicate places. [2024-01-29 14:15:41,947 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 57 transitions, 122 flow [2024-01-29 14:15:41,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 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 14:15:41,947 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:41,947 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:41,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-29 14:15:41,947 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err15ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:41,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:41,948 INFO L85 PathProgramCache]: Analyzing trace with hash -238076126, now seen corresponding path program 1 times [2024-01-29 14:15:41,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:41,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716602058] [2024-01-29 14:15:41,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:41,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:15:42,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:42,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716602058] [2024-01-29 14:15:42,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716602058] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:42,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:42,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:15:42,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950903350] [2024-01-29 14:15:42,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:42,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:15:42,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:42,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:15:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:15:42,073 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 107 [2024-01-29 14:15:42,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 57 transitions, 122 flow. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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 14:15:42,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:42,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 107 [2024-01-29 14:15:42,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:42,132 INFO L124 PetriNetUnfolderBase]: 35/195 cut-off events. [2024-01-29 14:15:42,133 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-01-29 14:15:42,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 195 events. 35/195 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 611 event pairs, 5 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 301. Up to 47 conditions per place. [2024-01-29 14:15:42,133 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 26 selfloop transitions, 4 changer transitions 6/65 dead transitions. [2024-01-29 14:15:42,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 65 transitions, 210 flow [2024-01-29 14:15:42,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:15:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:15:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 241 transitions. [2024-01-29 14:15:42,135 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5630841121495327 [2024-01-29 14:15:42,135 INFO L175 Difference]: Start difference. First operand has 64 places, 57 transitions, 122 flow. Second operand 4 states and 241 transitions. [2024-01-29 14:15:42,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 65 transitions, 210 flow [2024-01-29 14:15:42,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 65 transitions, 206 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:15:42,136 INFO L231 Difference]: Finished difference. Result has 63 places, 53 transitions, 118 flow [2024-01-29 14:15:42,136 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=63, PETRI_TRANSITIONS=53} [2024-01-29 14:15:42,137 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -40 predicate places. [2024-01-29 14:15:42,137 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 53 transitions, 118 flow [2024-01-29 14:15:42,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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 14:15:42,137 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:42,138 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:42,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-29 14:15:42,138 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:42,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:42,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2050911616, now seen corresponding path program 1 times [2024-01-29 14:15:42,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:42,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746829152] [2024-01-29 14:15:42,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:42,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:42,412 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 14:15:42,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:42,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746829152] [2024-01-29 14:15:42,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746829152] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:42,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:42,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:15:42,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394166130] [2024-01-29 14:15:42,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:42,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-01-29 14:15:42,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:42,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-01-29 14:15:42,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-01-29 14:15:42,416 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 107 [2024-01-29 14:15:42,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 53 transitions, 118 flow. Second operand has 5 states, 5 states have (on average 75.2) internal successors, (376), 5 states have internal predecessors, (376), 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 14:15:42,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:42,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 107 [2024-01-29 14:15:42,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:42,504 INFO L124 PetriNetUnfolderBase]: 18/88 cut-off events. [2024-01-29 14:15:42,504 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-01-29 14:15:42,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 88 events. 18/88 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 136 event pairs, 15 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 163. Up to 48 conditions per place. [2024-01-29 14:15:42,505 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 22 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-01-29 14:15:42,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 55 transitions, 174 flow [2024-01-29 14:15:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:15:42,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:15:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 382 transitions. [2024-01-29 14:15:42,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7140186915887851 [2024-01-29 14:15:42,507 INFO L175 Difference]: Start difference. First operand has 63 places, 53 transitions, 118 flow. Second operand 5 states and 382 transitions. [2024-01-29 14:15:42,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 55 transitions, 174 flow [2024-01-29 14:15:42,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 55 transitions, 166 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-29 14:15:42,508 INFO L231 Difference]: Finished difference. Result has 61 places, 52 transitions, 116 flow [2024-01-29 14:15:42,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=61, PETRI_TRANSITIONS=52} [2024-01-29 14:15:42,510 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -42 predicate places. [2024-01-29 14:15:42,510 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 116 flow [2024-01-29 14:15:42,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.2) internal successors, (376), 5 states have internal predecessors, (376), 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 14:15:42,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:42,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:42,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-29 14:15:42,511 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:42,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:42,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1741195433, now seen corresponding path program 1 times [2024-01-29 14:15:42,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616696889] [2024-01-29 14:15:42,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:42,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:42,829 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 14:15:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:42,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616696889] [2024-01-29 14:15:42,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616696889] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:42,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:42,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-01-29 14:15:42,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296268211] [2024-01-29 14:15:42,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:42,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-01-29 14:15:42,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:42,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-01-29 14:15:42,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-01-29 14:15:42,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 107 [2024-01-29 14:15:42,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 116 flow. Second operand has 6 states, 6 states have (on average 73.66666666666667) internal successors, (442), 6 states have internal predecessors, (442), 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 14:15:42,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:42,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 107 [2024-01-29 14:15:42,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:42,940 INFO L124 PetriNetUnfolderBase]: 18/87 cut-off events. [2024-01-29 14:15:42,941 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:15:42,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 87 events. 18/87 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 132 event pairs, 15 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 156. Up to 48 conditions per place. [2024-01-29 14:15:42,941 INFO L140 encePairwiseOnDemand]: 101/107 looper letters, 21 selfloop transitions, 5 changer transitions 0/54 dead transitions. [2024-01-29 14:15:42,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 54 transitions, 172 flow [2024-01-29 14:15:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-01-29 14:15:42,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-01-29 14:15:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 447 transitions. [2024-01-29 14:15:42,943 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6962616822429907 [2024-01-29 14:15:42,943 INFO L175 Difference]: Start difference. First operand has 61 places, 52 transitions, 116 flow. Second operand 6 states and 447 transitions. [2024-01-29 14:15:42,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 54 transitions, 172 flow [2024-01-29 14:15:42,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 54 transitions, 164 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-01-29 14:15:42,944 INFO L231 Difference]: Finished difference. Result has 61 places, 51 transitions, 116 flow [2024-01-29 14:15:42,944 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=116, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2024-01-29 14:15:42,945 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -42 predicate places. [2024-01-29 14:15:42,945 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 116 flow [2024-01-29 14:15:42,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.66666666666667) internal successors, (442), 6 states have internal predecessors, (442), 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 14:15:42,946 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:42,946 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:42,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-29 14:15:42,946 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:42,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash 189880525, now seen corresponding path program 1 times [2024-01-29 14:15:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:42,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309452370] [2024-01-29 14:15:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:42,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:43,208 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 14:15:43,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309452370] [2024-01-29 14:15:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309452370] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:43,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:43,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-01-29 14:15:43,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582444428] [2024-01-29 14:15:43,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:43,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-01-29 14:15:43,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:43,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-01-29 14:15:43,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-01-29 14:15:43,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 107 [2024-01-29 14:15:43,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 116 flow. Second operand has 7 states, 7 states have (on average 73.28571428571429) internal successors, (513), 7 states have internal predecessors, (513), 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 14:15:43,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:43,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 107 [2024-01-29 14:15:43,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:43,313 INFO L124 PetriNetUnfolderBase]: 18/86 cut-off events. [2024-01-29 14:15:43,314 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-01-29 14:15:43,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 86 events. 18/86 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 131 event pairs, 15 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 156. Up to 48 conditions per place. [2024-01-29 14:15:43,314 INFO L140 encePairwiseOnDemand]: 100/107 looper letters, 20 selfloop transitions, 6 changer transitions 0/53 dead transitions. [2024-01-29 14:15:43,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 53 transitions, 172 flow [2024-01-29 14:15:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-01-29 14:15:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-01-29 14:15:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 517 transitions. [2024-01-29 14:15:43,316 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6902536715620827 [2024-01-29 14:15:43,316 INFO L175 Difference]: Start difference. First operand has 61 places, 51 transitions, 116 flow. Second operand 7 states and 517 transitions. [2024-01-29 14:15:43,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 53 transitions, 172 flow [2024-01-29 14:15:43,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 53 transitions, 162 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-01-29 14:15:43,318 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 116 flow [2024-01-29 14:15:43,318 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=116, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-01-29 14:15:43,318 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -42 predicate places. [2024-01-29 14:15:43,318 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 116 flow [2024-01-29 14:15:43,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.28571428571429) internal successors, (513), 7 states have internal predecessors, (513), 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 14:15:43,319 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:15:43,319 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:43,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-01-29 14:15:43,319 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 61 more)] === [2024-01-29 14:15:43,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:15:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2086571532, now seen corresponding path program 1 times [2024-01-29 14:15:43,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:15:43,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153030264] [2024-01-29 14:15:43,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:15:43,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:15:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:15:43,392 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 14:15:43,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:15:43,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153030264] [2024-01-29 14:15:43,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153030264] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:15:43,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:15:43,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-29 14:15:43,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356353086] [2024-01-29 14:15:43,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:15:43,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:15:43,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:15:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:15:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:15:43,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 107 [2024-01-29 14:15:43,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 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 14:15:43,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:15:43,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 107 [2024-01-29 14:15:43,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:15:43,514 INFO L124 PetriNetUnfolderBase]: 18/84 cut-off events. [2024-01-29 14:15:43,515 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-01-29 14:15:43,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 84 events. 18/84 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 133 event pairs, 18 based on Foata normal form. 1/72 useless extension candidates. Maximal degree in co-relation 156. Up to 57 conditions per place. [2024-01-29 14:15:43,515 INFO L140 encePairwiseOnDemand]: 102/107 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-01-29 14:15:43,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 48 transitions, 160 flow [2024-01-29 14:15:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-29 14:15:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-29 14:15:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 260 transitions. [2024-01-29 14:15:43,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48598130841121495 [2024-01-29 14:15:43,517 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 116 flow. Second operand 5 states and 260 transitions. [2024-01-29 14:15:43,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 48 transitions, 160 flow [2024-01-29 14:15:43,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 48 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 14:15:43,518 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-01-29 14:15:43,518 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=107, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-01-29 14:15:43,518 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, -46 predicate places. [2024-01-29 14:15:43,519 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-01-29 14:15:43,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 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 14:15:43,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 64 remaining) [2024-01-29 14:15:43,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 64 remaining) [2024-01-29 14:15:43,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 64 remaining) [2024-01-29 14:15:43,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONERROR_FUNCTION (48 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 64 remaining) [2024-01-29 14:15:43,524 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 64 remaining) [2024-01-29 14:15:43,525 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (36 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 64 remaining) [2024-01-29 14:15:43,526 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (31 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (25 of 64 remaining) [2024-01-29 14:15:43,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 64 remaining) [2024-01-29 14:15:43,528 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 64 remaining) [2024-01-29 14:15:43,529 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONERROR_FUNCTION (8 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 64 remaining) [2024-01-29 14:15:43,530 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 64 remaining) [2024-01-29 14:15:43,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 64 remaining) [2024-01-29 14:15:43,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 64 remaining) [2024-01-29 14:15:43,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 64 remaining) [2024-01-29 14:15:43,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 64 remaining) [2024-01-29 14:15:43,531 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 64 remaining) [2024-01-29 14:15:43,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-01-29 14:15:43,532 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:15:43,536 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:15:43,536 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:15:43,539 INFO L503 ceAbstractionStarter]: Automizer considered 35 witness invariants [2024-01-29 14:15:43,540 INFO L504 ceAbstractionStarter]: WitnessConsidered=35 [2024-01-29 14:15:43,540 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:15:43 BasicIcfg [2024-01-29 14:15:43,540 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:15:43,541 INFO L158 Benchmark]: Toolchain (without parser) took 5378.05ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 81.0MB in the beginning and 234.4MB in the end (delta: -153.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:15:43,541 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:15:43,541 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:15:43,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 983.77ms. Allocated memory is still 157.3MB. Free memory was 80.8MB in the beginning and 83.8MB in the end (delta: -3.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-01-29 14:15:43,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.02ms. Allocated memory is still 157.3MB. Free memory was 83.8MB in the beginning and 80.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:15:43,542 INFO L158 Benchmark]: Boogie Preprocessor took 75.57ms. Allocated memory is still 157.3MB. Free memory was 80.3MB in the beginning and 76.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-29 14:15:43,542 INFO L158 Benchmark]: RCFGBuilder took 723.50ms. Allocated memory is still 157.3MB. Free memory was 76.1MB in the beginning and 109.1MB in the end (delta: -33.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-01-29 14:15:43,542 INFO L158 Benchmark]: TraceAbstraction took 3535.04ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 108.2MB in the beginning and 234.4MB in the end (delta: -126.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2024-01-29 14:15:43,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 78.0MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 983.77ms. Allocated memory is still 157.3MB. Free memory was 80.8MB in the beginning and 83.8MB in the end (delta: -3.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.02ms. Allocated memory is still 157.3MB. Free memory was 83.8MB in the beginning and 80.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.57ms. Allocated memory is still 157.3MB. Free memory was 80.3MB in the beginning and 76.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 723.50ms. Allocated memory is still 157.3MB. Free memory was 76.1MB in the beginning and 109.1MB in the end (delta: -33.0MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3535.04ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 108.2MB in the beginning and 234.4MB in the end (delta: -126.1MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1705]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1706]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1707]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1708]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1709]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1712]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1713]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1714]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1715]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1720]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1721]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 159 locations, 64 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1178 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 632 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1521 IncrementalHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 81 mSDtfsCounter, 1521 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=0, InterpolantAutomatonStates: 54, 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, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 316 ConstructedInterpolants, 0 QuantifiedInterpolants, 513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 - AllSpecificationsHoldResult: All specifications hold 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-29 14:15:43,567 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 Result: TRUE