./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-match-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-match-symm.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-d8006e4-m [2024-02-05 10:32:28,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:32:28,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:32:28,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:32:28,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:32:28,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:32:28,448 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:32:28,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:32:28,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:32:28,453 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:32:28,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:32:28,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:32:28,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:32:28,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:32:28,457 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:32:28,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:32:28,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:32:28,458 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:32:28,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:32:28,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:32:28,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:32:28,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:32:28,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:32:28,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:32:28,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:32:28,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:32:28,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:32:28,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:32:28,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:32:28,462 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:32:28,463 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:32:28,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:32:28,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:28,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:32:28,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:32:28,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:32:28,464 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:32:28,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:32:28,464 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:32:28,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:32:28,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:32:28,465 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:32:28,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:32:28,466 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:32:28,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:32:28,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:32:28,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:32:28,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:32:28,752 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:32:28,753 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2024-02-05 10:32:30,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:32:30,214 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:32:30,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c [2024-02-05 10:32:30,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8f329b5/94020896712f47618d95d41aa5fd99b3/FLAG32073a6de [2024-02-05 10:32:30,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d8f329b5/94020896712f47618d95d41aa5fd99b3 [2024-02-05 10:32:30,245 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:32:30,245 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:32:30,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-match-symm.wvr.yml/witness.yml [2024-02-05 10:32:30,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:32:30,344 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:32:30,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:30,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:32:30,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:32:30,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:30" (1/2) ... [2024-02-05 10:32:30,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447d530c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:30, skipping insertion in model container [2024-02-05 10:32:30,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:30" (1/2) ... [2024-02-05 10:32:30,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3846022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:30, skipping insertion in model container [2024-02-05 10:32:30,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:30" (2/2) ... [2024-02-05 10:32:30,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447d530c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30, skipping insertion in model container [2024-02-05 10:32:30,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:30" (2/2) ... [2024-02-05 10:32:30,353 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:32:30,384 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:32:30,385 INFO L101 nessWitnessExtractor]: Location invariant before [L83-L83] (b <= -1) && (b != 0) [2024-02-05 10:32:30,385 INFO L101 nessWitnessExtractor]: Location invariant before [L66-L66] ((seq_2_start_5 == 0) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,385 INFO L101 nessWitnessExtractor]: Location invariant after [L44-L44] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,385 INFO L101 nessWitnessExtractor]: Location invariant before [L62-L62] ((((((seq_1_start_1 == 0) && (seq_2_start_2 == 0)) && (score_3 == 0)) && (seq_1_start_4 == 0)) && (seq_2_start_5 == 0)) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,386 INFO L101 nessWitnessExtractor]: Location invariant before [L61-L61] (((((((score_0 == 0) && (seq_1_start_1 == 0)) && (seq_2_start_2 == 0)) && (score_3 == 0)) && (seq_1_start_4 == 0)) && (seq_2_start_5 == 0)) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,386 INFO L101 nessWitnessExtractor]: Location invariant after [L52-L52] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,386 INFO L101 nessWitnessExtractor]: Location invariant after [L43-L43] (((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL)) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L55-L55] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L84-L84] (1 <= b) && (b != 0) [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L64-L64] ((((score_3 == 0) && (seq_1_start_4 == 0)) && (seq_2_start_5 == 0)) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L43-L43] (((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL)) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:32:30,387 INFO L101 nessWitnessExtractor]: Location invariant before [L65-L65] (((seq_1_start_4 == 0) && (seq_2_start_5 == 0)) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant before [L69-L69] (result_6 == 0) && (result_7 == 0) [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant before [L51-L51] (((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL)) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant after [L51-L51] (((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL)) && ((unsigned long )_argptr == 0UL) [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-02-05 10:32:30,388 INFO L101 nessWitnessExtractor]: Location invariant before [L63-L63] (((((seq_2_start_2 == 0) && (score_3 == 0)) && (seq_1_start_4 == 0)) && (seq_2_start_5 == 0)) && (result_6 == 0)) && (result_7 == 0) [2024-02-05 10:32:30,405 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:32:30,602 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2610,2623] [2024-02-05 10:32:30,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:30,620 INFO L204 MainTranslator]: Completed pre-run [2024-02-05 10:32:30,633 WARN L424 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-05 10:32:30,634 WARN L424 MainDispatcher]: Unable to annotate s1 = plus(seq_1_start_1, seq_2_start_2) with a witness entry [2024-02-05 10:32:30,634 WARN L424 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-05 10:32:30,648 WARN L424 MainDispatcher]: Unable to annotate s2 = plus(seq_1_start_4, seq_2_start_5) with a witness entry Start Parsing Local [2024-02-05 10:32:30,670 WARN L424 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-05 10:32:30,671 WARN L424 MainDispatcher]: Unable to annotate s1 = plus(seq_1_start_4, seq_2_start_5) with a witness entry [2024-02-05 10:32:30,671 WARN L424 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-05 10:32:30,671 WARN L424 MainDispatcher]: Unable to annotate s2 = plus(seq_1_start_1, seq_2_start_2) 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 [2024-02-05 10:32:30,700 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-symm.wvr.c[2610,2623] Start Parsing Local Start Parsing Local [2024-02-05 10:32:30,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:30,735 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:32:30,735 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30 WrapperNode [2024-02-05 10:32:30,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:30,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:30,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:32:30,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:32:30,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,764 INFO L138 Inliner]: procedures = 22, calls = 27, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 172 [2024-02-05 10:32:30,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:30,765 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:32:30,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:32:30,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:32:30,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,795 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-05 10:32:30,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:32:30,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:32:30,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:32:30,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:32:30,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (1/1) ... [2024-02-05 10:32:30,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:30,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:32:30,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-05 10:32:30,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-05 10:32:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:32:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:32:30,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:32:30,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:32:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:32:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:32:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:32:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:32:30,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:32:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:32:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:32:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:32:30,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:32:30,876 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:32:30,955 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:32:30,957 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:32:31,190 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:32:31,191 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:32:31,396 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:32:31,397 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:32:31,398 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:31 BoogieIcfgContainer [2024-02-05 10:32:31,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:32:31,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:32:31,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:32:31,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:32:31,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:32:30" (1/4) ... [2024-02-05 10:32:31,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d42e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:32:31, skipping insertion in model container [2024-02-05 10:32:31,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:30" (2/4) ... [2024-02-05 10:32:31,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d42e6b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:31, skipping insertion in model container [2024-02-05 10:32:31,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:30" (3/4) ... [2024-02-05 10:32:31,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d42e6b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:31, skipping insertion in model container [2024-02-05 10:32:31,407 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:31" (4/4) ... [2024-02-05 10:32:31,408 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2024-02-05 10:32:31,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:32:31,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-02-05 10:32:31,422 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:32:31,483 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-05 10:32:31,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 112 flow [2024-02-05 10:32:31,549 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-02-05 10:32:31,550 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:31,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 0/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-05 10:32:31,551 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 49 transitions, 112 flow [2024-02-05 10:32:31,554 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 46 transitions, 104 flow [2024-02-05 10:32:31,566 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:32:31,573 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;@4ce1160b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:32:31,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-02-05 10:32:31,576 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:32:31,576 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:32:31,576 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:32:31,577 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:31,577 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:32:31,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:31,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:31,581 INFO L85 PathProgramCache]: Analyzing trace with hash 17708, now seen corresponding path program 1 times [2024-02-05 10:32:31,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:31,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241515327] [2024-02-05 10:32:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:31,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:31,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241515327] [2024-02-05 10:32:31,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241515327] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:31,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:31,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090273334] [2024-02-05 10:32:31,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:31,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:31,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:31,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:31,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:31,888 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 49 [2024-02-05 10:32:31,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:31,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:31,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 49 [2024-02-05 10:32:31,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,000 INFO L124 PetriNetUnfolderBase]: 144/366 cut-off events. [2024-02-05 10:32:32,000 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-02-05 10:32:32,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 366 events. 144/366 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1627 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 579. Up to 286 conditions per place. [2024-02-05 10:32:32,006 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 32 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2024-02-05 10:32:32,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 45 transitions, 170 flow [2024-02-05 10:32:32,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-02-05 10:32:32,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5034013605442177 [2024-02-05 10:32:32,017 INFO L175 Difference]: Start difference. First operand has 53 places, 46 transitions, 104 flow. Second operand 3 states and 74 transitions. [2024-02-05 10:32:32,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 45 transitions, 170 flow [2024-02-05 10:32:32,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 162 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-05 10:32:32,022 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 98 flow [2024-02-05 10:32:32,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2024-02-05 10:32:32,026 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2024-02-05 10:32:32,026 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 98 flow [2024-02-05 10:32:32,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,027 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,027 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:32:32,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:32:32,027 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash 549519, now seen corresponding path program 1 times [2024-02-05 10:32:32,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815168335] [2024-02-05 10:32:32,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815168335] [2024-02-05 10:32:32,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815168335] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893787211] [2024-02-05 10:32:32,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 49 [2024-02-05 10:32:32,128 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 49 [2024-02-05 10:32:32,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,236 INFO L124 PetriNetUnfolderBase]: 144/365 cut-off events. [2024-02-05 10:32:32,236 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 663 conditions, 365 events. 144/365 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1626 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 654. Up to 284 conditions per place. [2024-02-05 10:32:32,242 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 31 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2024-02-05 10:32:32,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 44 transitions, 162 flow [2024-02-05 10:32:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-02-05 10:32:32,245 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5170068027210885 [2024-02-05 10:32:32,245 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 98 flow. Second operand 3 states and 76 transitions. [2024-02-05 10:32:32,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 44 transitions, 162 flow [2024-02-05 10:32:32,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 44 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,246 INFO L231 Difference]: Finished difference. Result has 49 places, 44 transitions, 96 flow [2024-02-05 10:32:32,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=49, PETRI_TRANSITIONS=44} [2024-02-05 10:32:32,247 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -4 predicate places. [2024-02-05 10:32:32,247 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 44 transitions, 96 flow [2024-02-05 10:32:32,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,247 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-05 10:32:32,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:32:32,248 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,248 INFO L85 PathProgramCache]: Analyzing trace with hash 17035623, now seen corresponding path program 1 times [2024-02-05 10:32:32,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129340534] [2024-02-05 10:32:32,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129340534] [2024-02-05 10:32:32,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129340534] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862762218] [2024-02-05 10:32:32,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 49 [2024-02-05 10:32:32,315 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 49 [2024-02-05 10:32:32,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,373 INFO L124 PetriNetUnfolderBase]: 144/364 cut-off events. [2024-02-05 10:32:32,374 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 661 conditions, 364 events. 144/364 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1625 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 650. Up to 282 conditions per place. [2024-02-05 10:32:32,375 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 30 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-02-05 10:32:32,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 158 flow [2024-02-05 10:32:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 78 transitions. [2024-02-05 10:32:32,377 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5306122448979592 [2024-02-05 10:32:32,377 INFO L175 Difference]: Start difference. First operand has 49 places, 44 transitions, 96 flow. Second operand 3 states and 78 transitions. [2024-02-05 10:32:32,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 158 flow [2024-02-05 10:32:32,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,378 INFO L231 Difference]: Finished difference. Result has 48 places, 43 transitions, 94 flow [2024-02-05 10:32:32,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=48, PETRI_TRANSITIONS=43} [2024-02-05 10:32:32,379 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2024-02-05 10:32:32,379 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 43 transitions, 94 flow [2024-02-05 10:32:32,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,379 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-05 10:32:32,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-05 10:32:32,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,380 INFO L85 PathProgramCache]: Analyzing trace with hash 528104859, now seen corresponding path program 1 times [2024-02-05 10:32:32,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864478885] [2024-02-05 10:32:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864478885] [2024-02-05 10:32:32,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864478885] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341434890] [2024-02-05 10:32:32,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 49 [2024-02-05 10:32:32,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 43 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 49 [2024-02-05 10:32:32,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,584 INFO L124 PetriNetUnfolderBase]: 144/363 cut-off events. [2024-02-05 10:32:32,585 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 659 conditions, 363 events. 144/363 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1624 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 646. Up to 280 conditions per place. [2024-02-05 10:32:32,586 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 29 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-02-05 10:32:32,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 154 flow [2024-02-05 10:32:32,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-02-05 10:32:32,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.54421768707483 [2024-02-05 10:32:32,588 INFO L175 Difference]: Start difference. First operand has 48 places, 43 transitions, 94 flow. Second operand 3 states and 80 transitions. [2024-02-05 10:32:32,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 154 flow [2024-02-05 10:32:32,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,589 INFO L231 Difference]: Finished difference. Result has 47 places, 42 transitions, 92 flow [2024-02-05 10:32:32,589 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=47, PETRI_TRANSITIONS=42} [2024-02-05 10:32:32,590 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -6 predicate places. [2024-02-05 10:32:32,590 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 42 transitions, 92 flow [2024-02-05 10:32:32,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,590 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,590 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-05 10:32:32,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-05 10:32:32,591 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,591 INFO L85 PathProgramCache]: Analyzing trace with hash -808617980, now seen corresponding path program 1 times [2024-02-05 10:32:32,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740477043] [2024-02-05 10:32:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740477043] [2024-02-05 10:32:32,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740477043] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370525793] [2024-02-05 10:32:32,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 49 [2024-02-05 10:32:32,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 42 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,661 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,661 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 49 [2024-02-05 10:32:32,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,713 INFO L124 PetriNetUnfolderBase]: 144/362 cut-off events. [2024-02-05 10:32:32,714 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 362 events. 144/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1623 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 642. Up to 278 conditions per place. [2024-02-05 10:32:32,715 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 28 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2024-02-05 10:32:32,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 41 transitions, 150 flow [2024-02-05 10:32:32,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-02-05 10:32:32,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5578231292517006 [2024-02-05 10:32:32,716 INFO L175 Difference]: Start difference. First operand has 47 places, 42 transitions, 92 flow. Second operand 3 states and 82 transitions. [2024-02-05 10:32:32,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 41 transitions, 150 flow [2024-02-05 10:32:32,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 41 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,718 INFO L231 Difference]: Finished difference. Result has 46 places, 41 transitions, 90 flow [2024-02-05 10:32:32,718 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2024-02-05 10:32:32,718 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -7 predicate places. [2024-02-05 10:32:32,718 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 90 flow [2024-02-05 10:32:32,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,719 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,719 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:32:32,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-05 10:32:32,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,720 INFO L85 PathProgramCache]: Analyzing trace with hash 702646951, now seen corresponding path program 1 times [2024-02-05 10:32:32,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690302640] [2024-02-05 10:32:32,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690302640] [2024-02-05 10:32:32,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690302640] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022364257] [2024-02-05 10:32:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,756 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 49 [2024-02-05 10:32:32,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 49 [2024-02-05 10:32:32,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,807 INFO L124 PetriNetUnfolderBase]: 144/361 cut-off events. [2024-02-05 10:32:32,807 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 361 events. 144/361 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1622 event pairs, 144 based on Foata normal form. 0/360 useless extension candidates. Maximal degree in co-relation 638. Up to 276 conditions per place. [2024-02-05 10:32:32,809 INFO L140 encePairwiseOnDemand]: 46/49 looper letters, 27 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-02-05 10:32:32,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 40 transitions, 146 flow [2024-02-05 10:32:32,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-02-05 10:32:32,810 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-02-05 10:32:32,810 INFO L175 Difference]: Start difference. First operand has 46 places, 41 transitions, 90 flow. Second operand 3 states and 84 transitions. [2024-02-05 10:32:32,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 40 transitions, 146 flow [2024-02-05 10:32:32,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,811 INFO L231 Difference]: Finished difference. Result has 45 places, 40 transitions, 88 flow [2024-02-05 10:32:32,811 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=45, PETRI_TRANSITIONS=40} [2024-02-05 10:32:32,812 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2024-02-05 10:32:32,812 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 40 transitions, 88 flow [2024-02-05 10:32:32,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,813 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:32:32,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-05 10:32:32,813 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,813 INFO L85 PathProgramCache]: Analyzing trace with hash 307219544, now seen corresponding path program 1 times [2024-02-05 10:32:32,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858853845] [2024-02-05 10:32:32,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:32,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:32,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:32,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858853845] [2024-02-05 10:32:32,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858853845] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:32,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:32,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:32,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366867055] [2024-02-05 10:32:32,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:32,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:32,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:32,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:32,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:32,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 49 [2024-02-05 10:32:32,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 40 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:32,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 49 [2024-02-05 10:32:32,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:32,899 INFO L124 PetriNetUnfolderBase]: 144/362 cut-off events. [2024-02-05 10:32:32,900 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:32,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 362 events. 144/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1625 event pairs, 72 based on Foata normal form. 0/362 useless extension candidates. Maximal degree in co-relation 636. Up to 149 conditions per place. [2024-02-05 10:32:32,901 INFO L140 encePairwiseOnDemand]: 45/49 looper letters, 38 selfloop transitions, 3 changer transitions 0/52 dead transitions. [2024-02-05 10:32:32,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 52 transitions, 195 flow [2024-02-05 10:32:32,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:32,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:32,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-02-05 10:32:32,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.673469387755102 [2024-02-05 10:32:32,903 INFO L175 Difference]: Start difference. First operand has 45 places, 40 transitions, 88 flow. Second operand 3 states and 99 transitions. [2024-02-05 10:32:32,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 52 transitions, 195 flow [2024-02-05 10:32:32,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 191 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-05 10:32:32,904 INFO L231 Difference]: Finished difference. Result has 45 places, 41 transitions, 99 flow [2024-02-05 10:32:32,904 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=49, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=45, PETRI_TRANSITIONS=41} [2024-02-05 10:32:32,905 INFO L281 CegarLoopForPetriNet]: 53 programPoint places, -8 predicate places. [2024-02-05 10:32:32,905 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 99 flow [2024-02-05 10:32:32,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:32,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:32,905 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:32:32,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-05 10:32:32,905 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 27 more)] === [2024-02-05 10:32:32,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:32,906 INFO L85 PathProgramCache]: Analyzing trace with hash -197276477, now seen corresponding path program 1 times [2024-02-05 10:32:32,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961108192] [2024-02-05 10:32:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:32,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:32:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:32,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:32:32,957 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:32:32,958 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 30 remaining) [2024-02-05 10:32:32,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 30 remaining) [2024-02-05 10:32:32,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 30 remaining) [2024-02-05 10:32:32,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 30 remaining) [2024-02-05 10:32:32,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 30 remaining) [2024-02-05 10:32:32,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 30 remaining) [2024-02-05 10:32:32,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (11 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 30 remaining) [2024-02-05 10:32:32,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 30 remaining) [2024-02-05 10:32:32,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 30 remaining) [2024-02-05 10:32:32,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 30 remaining) [2024-02-05 10:32:32,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 30 remaining) [2024-02-05 10:32:32,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 30 remaining) [2024-02-05 10:32:32,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 30 remaining) [2024-02-05 10:32:32,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-02-05 10:32:32,964 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-05 10:32:32,968 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:32:32,968 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:32:32,984 INFO L503 ceAbstractionStarter]: Automizer considered 17 witness invariants [2024-02-05 10:32:32,984 INFO L504 ceAbstractionStarter]: WitnessConsidered=17 [2024-02-05 10:32:32,985 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:32:32 BasicIcfg [2024-02-05 10:32:32,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:32:32,986 INFO L158 Benchmark]: Toolchain (without parser) took 2641.68ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 98.5MB in the beginning and 203.2MB in the end (delta: -104.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:32,986 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 128.8MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:32,986 INFO L158 Benchmark]: Witness Parser took 0.39ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 149.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:32,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.54ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 98.3MB in the beginning and 214.2MB in the end (delta: -115.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:32,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.41ms. Allocated memory is still 247.5MB. Free memory was 214.2MB in the beginning and 212.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:32,987 INFO L158 Benchmark]: Boogie Preprocessor took 45.19ms. Allocated memory is still 247.5MB. Free memory was 212.1MB in the beginning and 209.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:32,987 INFO L158 Benchmark]: RCFGBuilder took 587.64ms. Allocated memory is still 247.5MB. Free memory was 209.0MB in the beginning and 151.3MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-02-05 10:32:32,987 INFO L158 Benchmark]: TraceAbstraction took 1584.19ms. Allocated memory is still 247.5MB. Free memory was 151.3MB in the beginning and 203.2MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:32,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 176.2MB. Free memory was 129.0MB in the beginning and 128.8MB in the end (delta: 184.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.39ms. Allocated memory is still 176.2MB. Free memory was 102.8MB in the beginning and 102.6MB in the end (delta: 149.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.54ms. Allocated memory was 176.2MB in the beginning and 247.5MB in the end (delta: 71.3MB). Free memory was 98.3MB in the beginning and 214.2MB in the end (delta: -115.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.41ms. Allocated memory is still 247.5MB. Free memory was 214.2MB in the beginning and 212.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.19ms. Allocated memory is still 247.5MB. Free memory was 212.1MB in the beginning and 209.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 587.64ms. Allocated memory is still 247.5MB. Free memory was 209.0MB in the beginning and 151.3MB in the end (delta: 57.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1584.19ms. Allocated memory is still 247.5MB. Free memory was 151.3MB in the beginning and 203.2MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 83]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int score_0, seq_1_start_1, seq_2_start_2, score_3, seq_1_start_4, seq_2_start_5, result_6, result_7; [L59] 0 pthread_t t1, t2; VAL [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=0, seq_2_start_2=0, seq_2_start_5=0, t1={5:0}, t2={3:0}] [L61] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[score_0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[score_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L61] 0 score_0 = __VERIFIER_nondet_int() [L62] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[score_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L62] 0 seq_1_start_1 = __VERIFIER_nondet_int() [L63] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[score_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L63] 0 seq_2_start_2 = __VERIFIER_nondet_int() [L64] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[score_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L64] 0 score_3 = __VERIFIER_nondet_int() [L65] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[seq_1_start_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L65] 0 seq_1_start_4 = __VERIFIER_nondet_int() [L66] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[seq_2_start_5],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L66] 0 seq_2_start_5 = __VERIFIER_nondet_int() [L69] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_6],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_7],IntegerLiteral[0]]]]] [L69] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=0, seq_2_start_2=0, seq_2_start_5=0, t1={5:0}, t2={3:0}] [L43] CALL 1 plus(seq_1_start_1, seq_2_start_2) [L83] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IdentifierExpression[b],UnaryExpression[MINUS,IntegerLiteral[1]]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] VAL [\old(a)=0, \old(b)=0, a=0, b=0, result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=0, seq_2_start_2=0, seq_2_start_5=0] - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 76 locations, 30 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 430 IncrementalHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 33 mSDtfsCounter, 430 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 364 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-05 10:32:33,027 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE