./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.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/13-privatized_18-first-reads_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cb09d658 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/goblint-regression/13-privatized_18-first-reads_true.i ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/13-privatized_18-first-reads_true.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-cb09d65-m [2024-01-27 23:06:41,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-27 23:06:41,175 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-27 23:06:41,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-27 23:06:41,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-27 23:06:41,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-27 23:06:41,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-27 23:06:41,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-27 23:06:41,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-27 23:06:41,212 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-27 23:06:41,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-27 23:06:41,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-27 23:06:41,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-27 23:06:41,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-27 23:06:41,214 INFO L153 SettingsManager]: * Use SBE=true [2024-01-27 23:06:41,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-27 23:06:41,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-27 23:06:41,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-27 23:06:41,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-27 23:06:41,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-27 23:06:41,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-27 23:06:41,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-27 23:06:41,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-27 23:06:41,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-27 23:06:41,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-27 23:06:41,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-27 23:06:41,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-27 23:06:41,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-27 23:06:41,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-27 23:06:41,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-27 23:06:41,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-27 23:06:41,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-27 23:06:41,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:06:41,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-27 23:06:41,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-27 23:06:41,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-27 23:06:41,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-27 23:06:41,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-27 23:06:41,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-27 23:06:41,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-27 23:06:41,221 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-27 23:06:41,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-27 23:06:41,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-27 23:06:41,222 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-27 23:06:41,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-27 23:06:41,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-27 23:06:41,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-27 23:06:41,478 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-27 23:06:41,478 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-27 23:06:41,479 INFO L431 ainManager$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/13-privatized_18-first-reads_true.yml/witness.yml [2024-01-27 23:06:41,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-27 23:06:41,560 INFO L274 PluginConnector]: CDTParser initialized [2024-01-27 23:06:41,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2024-01-27 23:06:42,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-27 23:06:43,226 INFO L384 CDTParser]: Found 1 translation units. [2024-01-27 23:06:43,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2024-01-27 23:06:43,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd335b99e/39f3655b865b4528af696809503a17d9/FLAGa87301467 [2024-01-27 23:06:43,260 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd335b99e/39f3655b865b4528af696809503a17d9 [2024-01-27 23:06:43,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-27 23:06:43,262 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-27 23:06:43,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-27 23:06:43,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-27 23:06:43,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-27 23:06:43,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:06:41" (1/2) ... [2024-01-27 23:06:43,269 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394b7912 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:06:43, skipping insertion in model container [2024-01-27 23:06:43,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:06:41" (1/2) ... [2024-01-27 23:06:43,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4329691f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.01 11:06:43, skipping insertion in model container [2024-01-27 23:06:43,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:06:43" (2/2) ... [2024-01-27 23:06:43,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394b7912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43, skipping insertion in model container [2024-01-27 23:06:43,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 11:06:43" (2/2) ... [2024-01-27 23:06:43,271 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-27 23:06:43,307 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-27 23:06:43,308 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 23:06:43,308 INFO L98 nessWitnessExtractor]: Location invariant before [L19-L19] glob1 == 0 [2024-01-27 23:06:43,309 INFO L98 nessWitnessExtractor]: Location invariant before [L701-L701] glob1 == 0 [2024-01-27 23:06:43,309 INFO L98 nessWitnessExtractor]: Location invariant before [L700-L700] glob1 == 0 [2024-01-27 23:06:43,309 INFO L98 nessWitnessExtractor]: Location invariant before [L686-L686] (unsigned long )arg == 0UL [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] (unsigned long )arg == 0UL [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] 0 <= t [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] t <= 1 [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L693-L693] t == 0 || t == 1 [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0 <= glob1 [2024-01-27 23:06:43,310 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] (unsigned long )arg == 0UL [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] t <= 1 [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] 0 <= t [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] t == 0 || t == 1 [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 == 0 || glob1 == 1 [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L691-L691] glob1 <= 1 [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L697-L697] glob1 == 0 [2024-01-27 23:06:43,311 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 == 0 || glob1 == 1 [2024-01-27 23:06:43,312 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] glob1 <= 1 [2024-01-27 23:06:43,312 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] 0 <= glob1 [2024-01-27 23:06:43,312 INFO L98 nessWitnessExtractor]: Location invariant before [L690-L690] (unsigned long )arg == 0UL [2024-01-27 23:06:43,312 INFO L98 nessWitnessExtractor]: Location invariant before [L698-L698] glob1 == 0 [2024-01-27 23:06:43,312 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L689] (unsigned long )arg == 0UL [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L687-L689] glob1 == 0 [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] t <= 1 [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] glob1 == 0 [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] t == 0 || t == 1 [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] (unsigned long )arg == 0UL [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L692-L692] 0 <= t [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (42LL + (long long )glob1) - (long long )t >= 0LL [2024-01-27 23:06:43,313 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (unsigned long )arg == 0UL [2024-01-27 23:06:43,314 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (-42LL + (long long )glob1) + (long long )t >= 0LL [2024-01-27 23:06:43,314 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] t == 42 [2024-01-27 23:06:43,314 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (43LL - (long long )glob1) - (long long )t >= 0LL [2024-01-27 23:06:43,314 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] glob1 == 0 [2024-01-27 23:06:43,314 INFO L98 nessWitnessExtractor]: Location invariant before [L688-L688] (-41LL - (long long )glob1) + (long long )t >= 0LL [2024-01-27 23:06:43,315 INFO L98 nessWitnessExtractor]: Location invariant before [L685-L685] (unsigned long )arg == 0UL [2024-01-27 23:06:43,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-27 23:06:43,494 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2024-01-27 23:06:43,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:06:43,637 INFO L202 MainTranslator]: Completed pre-run [2024-01-27 23:06:43,647 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2024-01-27 23:06:43,648 WARN L424 MainDispatcher]: Unable to annotate void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } } 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 [2024-01-27 23:06:43,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-27 23:06:43,760 INFO L206 MainTranslator]: Completed translation [2024-01-27 23:06:43,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43 WrapperNode [2024-01-27 23:06:43,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-27 23:06:43,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-27 23:06:43,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-27 23:06:43,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-27 23:06:43,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,818 INFO L138 Inliner]: procedures = 164, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2024-01-27 23:06:43,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-27 23:06:43,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-27 23:06:43,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-27 23:06:43,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-27 23:06:43,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,872 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-01-27 23:06:43,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,904 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-27 23:06:43,905 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-27 23:06:43,905 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-27 23:06:43,905 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-27 23:06:43,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (1/1) ... [2024-01-27 23:06:43,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-27 23:06:43,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-27 23:06:43,934 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) [2024-01-27 23:06:43,966 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 [2024-01-27 23:06:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-27 23:06:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-27 23:06:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-27 23:06:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-01-27 23:06:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-01-27 23:06:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-27 23:06:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-27 23:06:43,992 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-27 23:06:44,095 INFO L244 CfgBuilder]: Building ICFG [2024-01-27 23:06:44,097 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-27 23:06:44,295 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-27 23:06:44,295 INFO L293 CfgBuilder]: Performing block encoding [2024-01-27 23:06:44,363 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-27 23:06:44,363 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-27 23:06:44,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:06:44 BoogieIcfgContainer [2024-01-27 23:06:44,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-27 23:06:44,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-27 23:06:44,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-27 23:06:44,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-27 23:06:44,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.01 11:06:41" (1/4) ... [2024-01-27 23:06:44,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107f7904 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.01 11:06:44, skipping insertion in model container [2024-01-27 23:06:44,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 11:06:43" (2/4) ... [2024-01-27 23:06:44,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107f7904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:06:44, skipping insertion in model container [2024-01-27 23:06:44,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 11:06:43" (3/4) ... [2024-01-27 23:06:44,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@107f7904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 11:06:44, skipping insertion in model container [2024-01-27 23:06:44,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 11:06:44" (4/4) ... [2024-01-27 23:06:44,370 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2024-01-27 23:06:44,386 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-27 23:06:44,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2024-01-27 23:06:44,387 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-27 23:06:44,465 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-01-27 23:06:44,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 97 transitions, 201 flow [2024-01-27 23:06:44,528 INFO L124 PetriNetUnfolderBase]: 3/96 cut-off events. [2024-01-27 23:06:44,531 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-01-27 23:06:44,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 3/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 140 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2024-01-27 23:06:44,535 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 97 transitions, 201 flow [2024-01-27 23:06:44,539 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 94 transitions, 191 flow [2024-01-27 23:06:44,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-27 23:06:44,558 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;@499f438a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-27 23:06:44,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 69 error locations. [2024-01-27 23:06:44,562 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-27 23:06:44,563 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-27 23:06:44,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:06:44,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:44,563 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-27 23:06:44,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:44,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:44,569 INFO L85 PathProgramCache]: Analyzing trace with hash 9385, now seen corresponding path program 1 times [2024-01-27 23:06:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:44,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754291438] [2024-01-27 23:06:44,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:44,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:44,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:44,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754291438] [2024-01-27 23:06:44,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754291438] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:44,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:44,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-27 23:06:44,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624880454] [2024-01-27 23:06:44,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:44,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:06:44,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:44,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:06:44,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:06:44,774 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 97 [2024-01-27 23:06:44,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 94 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2024-01-27 23:06:44,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:44,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 97 [2024-01-27 23:06:44,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:44,900 INFO L124 PetriNetUnfolderBase]: 139/604 cut-off events. [2024-01-27 23:06:44,900 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-27 23:06:44,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 955 conditions, 604 events. 139/604 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3835 event pairs, 77 based on Foata normal form. 61/509 useless extension candidates. Maximal degree in co-relation 937. Up to 212 conditions per place. [2024-01-27 23:06:44,905 INFO L140 encePairwiseOnDemand]: 77/97 looper letters, 34 selfloop transitions, 5 changer transitions 0/96 dead transitions. [2024-01-27 23:06:44,905 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 96 transitions, 273 flow [2024-01-27 23:06:44,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:06:44,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:06:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2024-01-27 23:06:44,916 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7869415807560137 [2024-01-27 23:06:44,918 INFO L175 Difference]: Start difference. First operand has 95 places, 94 transitions, 191 flow. Second operand 3 states and 229 transitions. [2024-01-27 23:06:44,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 96 transitions, 273 flow [2024-01-27 23:06:44,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 96 transitions, 272 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:06:44,926 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 224 flow [2024-01-27 23:06:44,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2024-01-27 23:06:44,931 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -2 predicate places. [2024-01-27 23:06:44,931 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 224 flow [2024-01-27 23:06:44,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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) [2024-01-27 23:06:44,932 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:44,932 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-27 23:06:44,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-27 23:06:44,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:44,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:44,933 INFO L85 PathProgramCache]: Analyzing trace with hash 9027965, now seen corresponding path program 1 times [2024-01-27 23:06:44,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:44,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983735536] [2024-01-27 23:06:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:45,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:45,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983735536] [2024-01-27 23:06:45,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983735536] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:45,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:45,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:06:45,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185917145] [2024-01-27 23:06:45,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:45,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:45,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:45,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:45,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:45,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 97 [2024-01-27 23:06:45,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 224 flow. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 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) [2024-01-27 23:06:45,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:45,115 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 97 [2024-01-27 23:06:45,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:45,244 INFO L124 PetriNetUnfolderBase]: 158/651 cut-off events. [2024-01-27 23:06:45,244 INFO L125 PetriNetUnfolderBase]: For 151/193 co-relation queries the response was YES. [2024-01-27 23:06:45,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 651 events. 158/651 cut-off events. For 151/193 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4070 event pairs, 65 based on Foata normal form. 4/515 useless extension candidates. Maximal degree in co-relation 1220. Up to 182 conditions per place. [2024-01-27 23:06:45,251 INFO L140 encePairwiseOnDemand]: 87/97 looper letters, 47 selfloop transitions, 12 changer transitions 1/111 dead transitions. [2024-01-27 23:06:45,251 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 111 transitions, 408 flow [2024-01-27 23:06:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 23:06:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 23:06:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 333 transitions. [2024-01-27 23:06:45,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6865979381443299 [2024-01-27 23:06:45,257 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 224 flow. Second operand 5 states and 333 transitions. [2024-01-27 23:06:45,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 111 transitions, 408 flow [2024-01-27 23:06:45,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 111 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:06:45,263 INFO L231 Difference]: Finished difference. Result has 91 places, 89 transitions, 240 flow [2024-01-27 23:06:45,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=240, PETRI_PLACES=91, PETRI_TRANSITIONS=89} [2024-01-27 23:06:45,264 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -4 predicate places. [2024-01-27 23:06:45,264 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 89 transitions, 240 flow [2024-01-27 23:06:45,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 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) [2024-01-27 23:06:45,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:45,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:06:45,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-27 23:06:45,265 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:45,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:45,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1052852125, now seen corresponding path program 1 times [2024-01-27 23:06:45,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:45,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867699156] [2024-01-27 23:06:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:45,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:45,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:45,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867699156] [2024-01-27 23:06:45,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867699156] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:45,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:45,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:06:45,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508334018] [2024-01-27 23:06:45,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:45,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:45,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:45,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:45,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:45,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 97 [2024-01-27 23:06:45,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 240 flow. Second operand has 4 states, 4 states have (on average 67.75) internal successors, (271), 4 states have internal predecessors, (271), 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) [2024-01-27 23:06:45,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:45,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 97 [2024-01-27 23:06:45,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:45,438 INFO L124 PetriNetUnfolderBase]: 84/704 cut-off events. [2024-01-27 23:06:45,438 INFO L125 PetriNetUnfolderBase]: For 127/128 co-relation queries the response was YES. [2024-01-27 23:06:45,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1075 conditions, 704 events. 84/704 cut-off events. For 127/128 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4862 event pairs, 13 based on Foata normal form. 60/616 useless extension candidates. Maximal degree in co-relation 1054. Up to 161 conditions per place. [2024-01-27 23:06:45,441 INFO L140 encePairwiseOnDemand]: 87/97 looper letters, 28 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2024-01-27 23:06:45,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 87 transitions, 302 flow [2024-01-27 23:06:45,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:06:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:06:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 297 transitions. [2024-01-27 23:06:45,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7654639175257731 [2024-01-27 23:06:45,442 INFO L175 Difference]: Start difference. First operand has 91 places, 89 transitions, 240 flow. Second operand 4 states and 297 transitions. [2024-01-27 23:06:45,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 87 transitions, 302 flow [2024-01-27 23:06:45,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 87 transitions, 302 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-01-27 23:06:45,444 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 228 flow [2024-01-27 23:06:45,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=228, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-01-27 23:06:45,445 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -9 predicate places. [2024-01-27 23:06:45,445 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 228 flow [2024-01-27 23:06:45,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.75) internal successors, (271), 4 states have internal predecessors, (271), 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) [2024-01-27 23:06:45,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:45,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:06:45,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-27 23:06:45,446 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:45,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:45,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1291645849, now seen corresponding path program 1 times [2024-01-27 23:06:45,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:45,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140595720] [2024-01-27 23:06:45,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:45,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:45,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:45,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140595720] [2024-01-27 23:06:45,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140595720] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:45,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:45,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:06:45,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646019315] [2024-01-27 23:06:45,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:45,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:45,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:45,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:45,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:45,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 97 [2024-01-27 23:06:45,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 81 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-01-27 23:06:45,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:45,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 97 [2024-01-27 23:06:45,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:45,716 INFO L124 PetriNetUnfolderBase]: 264/828 cut-off events. [2024-01-27 23:06:45,716 INFO L125 PetriNetUnfolderBase]: For 273/295 co-relation queries the response was YES. [2024-01-27 23:06:45,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1757 conditions, 828 events. 264/828 cut-off events. For 273/295 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4947 event pairs, 139 based on Foata normal form. 12/818 useless extension candidates. Maximal degree in co-relation 1734. Up to 350 conditions per place. [2024-01-27 23:06:45,720 INFO L140 encePairwiseOnDemand]: 89/97 looper letters, 57 selfloop transitions, 8 changer transitions 0/94 dead transitions. [2024-01-27 23:06:45,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 94 transitions, 392 flow [2024-01-27 23:06:45,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:06:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:06:45,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 233 transitions. [2024-01-27 23:06:45,721 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6005154639175257 [2024-01-27 23:06:45,721 INFO L175 Difference]: Start difference. First operand has 86 places, 81 transitions, 228 flow. Second operand 4 states and 233 transitions. [2024-01-27 23:06:45,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 94 transitions, 392 flow [2024-01-27 23:06:45,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 94 transitions, 389 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:06:45,724 INFO L231 Difference]: Finished difference. Result has 85 places, 79 transitions, 237 flow [2024-01-27 23:06:45,724 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=237, PETRI_PLACES=85, PETRI_TRANSITIONS=79} [2024-01-27 23:06:45,725 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -10 predicate places. [2024-01-27 23:06:45,725 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 79 transitions, 237 flow [2024-01-27 23:06:45,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.5) internal successors, (178), 4 states have internal predecessors, (178), 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) [2024-01-27 23:06:45,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:45,725 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:06:45,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-27 23:06:45,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:45,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:45,726 INFO L85 PathProgramCache]: Analyzing trace with hash -26100693, now seen corresponding path program 1 times [2024-01-27 23:06:45,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:45,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837342623] [2024-01-27 23:06:45,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:45,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:45,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:45,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837342623] [2024-01-27 23:06:45,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837342623] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:45,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:45,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:06:45,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52167120] [2024-01-27 23:06:45,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:45,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:45,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:45,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:45,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:45,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 97 [2024-01-27 23:06:45,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 79 transitions, 237 flow. Second operand has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 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) [2024-01-27 23:06:45,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:45,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 97 [2024-01-27 23:06:45,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:45,918 INFO L124 PetriNetUnfolderBase]: 274/912 cut-off events. [2024-01-27 23:06:45,919 INFO L125 PetriNetUnfolderBase]: For 381/403 co-relation queries the response was YES. [2024-01-27 23:06:45,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 912 events. 274/912 cut-off events. For 381/403 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5664 event pairs, 47 based on Foata normal form. 20/913 useless extension candidates. Maximal degree in co-relation 1885. Up to 309 conditions per place. [2024-01-27 23:06:45,923 INFO L140 encePairwiseOnDemand]: 83/97 looper letters, 54 selfloop transitions, 14 changer transitions 0/98 dead transitions. [2024-01-27 23:06:45,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 98 transitions, 421 flow [2024-01-27 23:06:45,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:06:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:06:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 240 transitions. [2024-01-27 23:06:45,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6185567010309279 [2024-01-27 23:06:45,925 INFO L175 Difference]: Start difference. First operand has 85 places, 79 transitions, 237 flow. Second operand 4 states and 240 transitions. [2024-01-27 23:06:45,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 98 transitions, 421 flow [2024-01-27 23:06:45,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 98 transitions, 405 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-27 23:06:45,927 INFO L231 Difference]: Finished difference. Result has 84 places, 83 transitions, 281 flow [2024-01-27 23:06:45,928 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=281, PETRI_PLACES=84, PETRI_TRANSITIONS=83} [2024-01-27 23:06:45,928 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -11 predicate places. [2024-01-27 23:06:45,928 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 281 flow [2024-01-27 23:06:45,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.75) internal successors, (183), 4 states have internal predecessors, (183), 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) [2024-01-27 23:06:45,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:45,929 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:06:45,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-27 23:06:45,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:45,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:45,930 INFO L85 PathProgramCache]: Analyzing trace with hash -809121111, now seen corresponding path program 1 times [2024-01-27 23:06:45,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:45,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472046719] [2024-01-27 23:06:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:45,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:45,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:45,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472046719] [2024-01-27 23:06:45,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472046719] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:45,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:45,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:06:45,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870665651] [2024-01-27 23:06:45,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:45,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:06:45,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:45,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:06:45,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:06:46,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97 [2024-01-27 23:06:46,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 281 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2024-01-27 23:06:46,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:46,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97 [2024-01-27 23:06:46,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:46,093 INFO L124 PetriNetUnfolderBase]: 203/722 cut-off events. [2024-01-27 23:06:46,094 INFO L125 PetriNetUnfolderBase]: For 512/520 co-relation queries the response was YES. [2024-01-27 23:06:46,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1633 conditions, 722 events. 203/722 cut-off events. For 512/520 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4445 event pairs, 131 based on Foata normal form. 0/682 useless extension candidates. Maximal degree in co-relation 1609. Up to 373 conditions per place. [2024-01-27 23:06:46,097 INFO L140 encePairwiseOnDemand]: 94/97 looper letters, 47 selfloop transitions, 3 changer transitions 0/91 dead transitions. [2024-01-27 23:06:46,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 91 transitions, 415 flow [2024-01-27 23:06:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:06:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:06:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-01-27 23:06:46,099 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7697594501718213 [2024-01-27 23:06:46,099 INFO L175 Difference]: Start difference. First operand has 84 places, 83 transitions, 281 flow. Second operand 3 states and 224 transitions. [2024-01-27 23:06:46,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 91 transitions, 415 flow [2024-01-27 23:06:46,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 91 transitions, 397 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-27 23:06:46,102 INFO L231 Difference]: Finished difference. Result has 84 places, 83 transitions, 278 flow [2024-01-27 23:06:46,102 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=84, PETRI_TRANSITIONS=83} [2024-01-27 23:06:46,103 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -11 predicate places. [2024-01-27 23:06:46,103 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 278 flow [2024-01-27 23:06:46,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2024-01-27 23:06:46,103 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:46,103 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] [2024-01-27 23:06:46,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-27 23:06:46,104 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:46,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:46,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1888161836, now seen corresponding path program 1 times [2024-01-27 23:06:46,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:46,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470231563] [2024-01-27 23:06:46,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:46,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:46,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:46,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:46,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470231563] [2024-01-27 23:06:46,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470231563] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:46,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:46,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:06:46,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317450020] [2024-01-27 23:06:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:46,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:46,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:46,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 97 [2024-01-27 23:06:46,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 278 flow. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2024-01-27 23:06:46,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:46,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 97 [2024-01-27 23:06:46,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:46,320 INFO L124 PetriNetUnfolderBase]: 288/961 cut-off events. [2024-01-27 23:06:46,320 INFO L125 PetriNetUnfolderBase]: For 500/551 co-relation queries the response was YES. [2024-01-27 23:06:46,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2177 conditions, 961 events. 288/961 cut-off events. For 500/551 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6479 event pairs, 143 based on Foata normal form. 85/989 useless extension candidates. Maximal degree in co-relation 2152. Up to 416 conditions per place. [2024-01-27 23:06:46,324 INFO L140 encePairwiseOnDemand]: 82/97 looper letters, 49 selfloop transitions, 7 changer transitions 14/101 dead transitions. [2024-01-27 23:06:46,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 101 transitions, 464 flow [2024-01-27 23:06:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-27 23:06:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-27 23:06:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 261 transitions. [2024-01-27 23:06:46,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6726804123711341 [2024-01-27 23:06:46,325 INFO L175 Difference]: Start difference. First operand has 84 places, 83 transitions, 278 flow. Second operand 4 states and 261 transitions. [2024-01-27 23:06:46,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 101 transitions, 464 flow [2024-01-27 23:06:46,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 101 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-27 23:06:46,328 INFO L231 Difference]: Finished difference. Result has 87 places, 80 transitions, 293 flow [2024-01-27 23:06:46,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=83, 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=4, PETRI_FLOW=293, PETRI_PLACES=87, PETRI_TRANSITIONS=80} [2024-01-27 23:06:46,329 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -8 predicate places. [2024-01-27 23:06:46,329 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 80 transitions, 293 flow [2024-01-27 23:06:46,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 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) [2024-01-27 23:06:46,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:46,329 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] [2024-01-27 23:06:46,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-27 23:06:46,330 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:46,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:46,330 INFO L85 PathProgramCache]: Analyzing trace with hash 739280951, now seen corresponding path program 1 times [2024-01-27 23:06:46,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:46,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815676714] [2024-01-27 23:06:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:46,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:46,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:46,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815676714] [2024-01-27 23:06:46,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815676714] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:46,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:46,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-27 23:06:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247262976] [2024-01-27 23:06:46,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:46,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-27 23:06:46,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:46,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-27 23:06:46,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-27 23:06:46,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 97 [2024-01-27 23:06:46,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 80 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-27 23:06:46,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:46,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 97 [2024-01-27 23:06:46,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:46,471 INFO L124 PetriNetUnfolderBase]: 66/335 cut-off events. [2024-01-27 23:06:46,472 INFO L125 PetriNetUnfolderBase]: For 342/361 co-relation queries the response was YES. [2024-01-27 23:06:46,472 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 335 events. 66/335 cut-off events. For 342/361 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1659 event pairs, 55 based on Foata normal form. 60/381 useless extension candidates. Maximal degree in co-relation 682. Up to 141 conditions per place. [2024-01-27 23:06:46,473 INFO L140 encePairwiseOnDemand]: 87/97 looper letters, 25 selfloop transitions, 4 changer transitions 0/70 dead transitions. [2024-01-27 23:06:46,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 70 transitions, 289 flow [2024-01-27 23:06:46,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-27 23:06:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-27 23:06:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 230 transitions. [2024-01-27 23:06:46,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7903780068728522 [2024-01-27 23:06:46,475 INFO L175 Difference]: Start difference. First operand has 87 places, 80 transitions, 293 flow. Second operand 3 states and 230 transitions. [2024-01-27 23:06:46,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 70 transitions, 289 flow [2024-01-27 23:06:46,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 70 transitions, 239 flow, removed 12 selfloop flow, removed 7 redundant places. [2024-01-27 23:06:46,477 INFO L231 Difference]: Finished difference. Result has 75 places, 66 transitions, 181 flow [2024-01-27 23:06:46,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=181, PETRI_PLACES=75, PETRI_TRANSITIONS=66} [2024-01-27 23:06:46,479 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -20 predicate places. [2024-01-27 23:06:46,480 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 181 flow [2024-01-27 23:06:46,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2024-01-27 23:06:46,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:46,480 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] [2024-01-27 23:06:46,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-27 23:06:46,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:46,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:46,483 INFO L85 PathProgramCache]: Analyzing trace with hash -656468100, now seen corresponding path program 1 times [2024-01-27 23:06:46,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997349926] [2024-01-27 23:06:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:46,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:46,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997349926] [2024-01-27 23:06:46,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997349926] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:46,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:46,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-01-27 23:06:46,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912616793] [2024-01-27 23:06:46,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:46,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:46,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:46,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:46,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:46,602 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 97 [2024-01-27 23:06:46,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 181 flow. Second operand has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 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) [2024-01-27 23:06:46,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:46,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 97 [2024-01-27 23:06:46,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:46,643 INFO L124 PetriNetUnfolderBase]: 31/220 cut-off events. [2024-01-27 23:06:46,644 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-01-27 23:06:46,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 220 events. 31/220 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 727 event pairs, 10 based on Foata normal form. 11/201 useless extension candidates. Maximal degree in co-relation 345. Up to 54 conditions per place. [2024-01-27 23:06:46,645 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 19 selfloop transitions, 7 changer transitions 3/67 dead transitions. [2024-01-27 23:06:46,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 67 transitions, 221 flow [2024-01-27 23:06:46,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 23:06:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 23:06:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 321 transitions. [2024-01-27 23:06:46,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6618556701030928 [2024-01-27 23:06:46,646 INFO L175 Difference]: Start difference. First operand has 75 places, 66 transitions, 181 flow. Second operand 5 states and 321 transitions. [2024-01-27 23:06:46,646 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 67 transitions, 221 flow [2024-01-27 23:06:46,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 67 transitions, 193 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-01-27 23:06:46,648 INFO L231 Difference]: Finished difference. Result has 69 places, 59 transitions, 135 flow [2024-01-27 23:06:46,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=135, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2024-01-27 23:06:46,649 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -26 predicate places. [2024-01-27 23:06:46,649 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 135 flow [2024-01-27 23:06:46,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.25) internal successors, (245), 4 states have internal predecessors, (245), 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) [2024-01-27 23:06:46,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-27 23:06:46,649 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] [2024-01-27 23:06:46,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-27 23:06:46,650 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 66 more)] === [2024-01-27 23:06:46,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-27 23:06:46,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1676458019, now seen corresponding path program 1 times [2024-01-27 23:06:46,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-27 23:06:46,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653332370] [2024-01-27 23:06:46,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-27 23:06:46,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-27 23:06:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-27 23:06:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-27 23:06:46,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-27 23:06:46,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653332370] [2024-01-27 23:06:46,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653332370] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-27 23:06:46,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-27 23:06:46,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-27 23:06:46,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82311054] [2024-01-27 23:06:46,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-27 23:06:46,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-27 23:06:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-27 23:06:46,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-27 23:06:46,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-27 23:06:46,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 97 [2024-01-27 23:06:46,814 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 135 flow. Second operand has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 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) [2024-01-27 23:06:46,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-27 23:06:46,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 97 [2024-01-27 23:06:46,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-27 23:06:46,852 INFO L124 PetriNetUnfolderBase]: 28/177 cut-off events. [2024-01-27 23:06:46,853 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-01-27 23:06:46,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 177 events. 28/177 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 451 event pairs, 17 based on Foata normal form. 45/214 useless extension candidates. Maximal degree in co-relation 281. Up to 58 conditions per place. [2024-01-27 23:06:46,853 INFO L140 encePairwiseOnDemand]: 85/97 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2024-01-27 23:06:46,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 61 transitions, 211 flow [2024-01-27 23:06:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-01-27 23:06:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-01-27 23:06:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 313 transitions. [2024-01-27 23:06:46,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6453608247422681 [2024-01-27 23:06:46,855 INFO L175 Difference]: Start difference. First operand has 69 places, 59 transitions, 135 flow. Second operand 5 states and 313 transitions. [2024-01-27 23:06:46,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 61 transitions, 211 flow [2024-01-27 23:06:46,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 61 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-27 23:06:46,856 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2024-01-27 23:06:46,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=97, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2024-01-27 23:06:46,858 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -36 predicate places. [2024-01-27 23:06:46,858 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2024-01-27 23:06:46,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.5) internal successors, (230), 4 states have internal predecessors, (230), 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) [2024-01-27 23:06:46,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 69 remaining) [2024-01-27 23:06:46,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (67 of 69 remaining) [2024-01-27 23:06:46,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 69 remaining) [2024-01-27 23:06:46,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 69 remaining) [2024-01-27 23:06:46,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (64 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 69 remaining) [2024-01-27 23:06:46,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 69 remaining) [2024-01-27 23:06:46,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 69 remaining) [2024-01-27 23:06:46,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 69 remaining) [2024-01-27 23:06:46,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 69 remaining) [2024-01-27 23:06:46,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 69 remaining) [2024-01-27 23:06:46,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 69 remaining) [2024-01-27 23:06:46,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 69 remaining) [2024-01-27 23:06:46,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 69 remaining) [2024-01-27 23:06:46,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr11ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 69 remaining) [2024-01-27 23:06:46,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr14ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr8ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 69 remaining) [2024-01-27 23:06:46,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr15ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr9ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr16ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr17ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr18ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr19ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 69 remaining) [2024-01-27 23:06:46,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr20ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr21ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr22ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr23ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr24ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr25ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr26ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 69 remaining) [2024-01-27 23:06:46,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr27ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 69 remaining) [2024-01-27 23:06:46,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr28ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 69 remaining) [2024-01-27 23:06:46,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr29ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 69 remaining) [2024-01-27 23:06:46,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr30ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 69 remaining) [2024-01-27 23:06:46,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-27 23:06:46,873 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-27 23:06:46,877 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-27 23:06:46,877 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-27 23:06:46,882 INFO L503 ceAbstractionStarter]: Automizer considered 35 witness invariants [2024-01-27 23:06:46,882 INFO L504 ceAbstractionStarter]: WitnessConsidered=35 [2024-01-27 23:06:46,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 11:06:46 BasicIcfg [2024-01-27 23:06:46,883 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-27 23:06:46,883 INFO L158 Benchmark]: Toolchain (without parser) took 3621.31ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 106.3MB in the beginning and 68.6MB in the end (delta: 37.8MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,883 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:06:46,883 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-27 23:06:46,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.12ms. Allocated memory is still 153.1MB. Free memory was 105.9MB in the beginning and 81.7MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.91ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 121.9MB in the end (delta: -40.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,884 INFO L158 Benchmark]: Boogie Preprocessor took 84.01ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 118.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,884 INFO L158 Benchmark]: RCFGBuilder took 459.16ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 93.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,884 INFO L158 Benchmark]: TraceAbstraction took 2517.56ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.6MB in the beginning and 68.6MB in the end (delta: 24.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2024-01-27 23:06:46,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 111.1MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.12ms. Allocated memory is still 153.1MB. Free memory was 105.9MB in the beginning and 81.7MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.91ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 121.9MB in the end (delta: -40.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.01ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 118.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 459.16ms. Allocated memory is still 153.1MB. Free memory was 118.9MB in the beginning and 93.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2517.56ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 92.6MB in the beginning and 68.6MB in the end (delta: 24.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: 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: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: 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: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 685]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 691]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 693]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 165 locations, 69 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: 2.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1181 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 664 mSDsluCounter, 401 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 211 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1175 IncrementalHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 211 mSolverCounterUnsat, 229 mSDtfsCounter, 1175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=7, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 151 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-01-27 23:06:46,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE