./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/36-apron_21-traces-cluster-based_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb4cb34f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i ./goblint.2024-06-19_11-23-25.files/protection/36-apron_21-traces-cluster-based_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-eb4cb34-m [2024-06-21 16:05:38,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-21 16:05:38,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-21 16:05:38,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-21 16:05:38,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-21 16:05:38,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-21 16:05:38,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-21 16:05:38,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-21 16:05:38,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-21 16:05:38,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-21 16:05:38,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-21 16:05:38,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-21 16:05:38,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-21 16:05:38,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-21 16:05:38,868 INFO L153 SettingsManager]: * Use SBE=true [2024-06-21 16:05:38,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-21 16:05:38,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-21 16:05:38,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-21 16:05:38,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-21 16:05:38,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-21 16:05:38,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-21 16:05:38,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-21 16:05:38,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-21 16:05:38,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-21 16:05:38,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-21 16:05:38,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-21 16:05:38,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-21 16:05:38,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 16:05:38,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-21 16:05:38,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-21 16:05:38,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-21 16:05:38,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-21 16:05:38,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-21 16:05:38,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-21 16:05:39,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-21 16:05:39,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-21 16:05:39,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-21 16:05:39,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-21 16:05:39,121 INFO L274 PluginConnector]: CDTParser initialized [2024-06-21 16:05:39,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-06-21 16:05:40,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-21 16:05:40,293 INFO L384 CDTParser]: Found 1 translation units. [2024-06-21 16:05:40,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-06-21 16:05:40,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6305daa/9255d016326d4a7a8c24e9669e3c0cb8/FLAG7bebad119 [2024-06-21 16:05:40,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6305daa/9255d016326d4a7a8c24e9669e3c0cb8 [2024-06-21 16:05:40,317 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-21 16:05:40,318 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-21 16:05:40,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/36-apron_21-traces-cluster-based_true.yml/witness.yml [2024-06-21 16:05:40,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-21 16:05:40,447 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-21 16:05:40,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-21 16:05:40,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-21 16:05:40,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-21 16:05:40,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 04:05:40" (1/2) ... [2024-06-21 16:05:40,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426ea5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 04:05:40, skipping insertion in model container [2024-06-21 16:05:40,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.06 04:05:40" (1/2) ... [2024-06-21 16:05:40,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2968afb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.06 04:05:40, skipping insertion in model container [2024-06-21 16:05:40,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 04:05:40" (2/2) ... [2024-06-21 16:05:40,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426ea5b3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40, skipping insertion in model container [2024-06-21 16:05:40,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 04:05:40" (2/2) ... [2024-06-21 16:05:40,456 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-21 16:05:40,494 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-21 16:05:40,495 INFO L97 edCorrectnessWitness]: Location invariant before [L730-L730] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-06-21 16:05:40,495 INFO L97 edCorrectnessWitness]: Location invariant before [L729-L729] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-06-21 16:05:40,496 INFO L97 edCorrectnessWitness]: Location invariant before [L728-L728] (! multithreaded || -1016 <= h) && (! multithreaded || -999 <= g) [2024-06-21 16:05:40,496 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-21 16:05:40,496 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-21 16:05:40,497 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] A_locked = 1; [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 1; [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L733-L733] B_locked = 1; [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L736-L736] A_locked = 0; [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L718-L718] A_locked = 0; [2024-06-21 16:05:40,497 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] A_locked = 0; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L714-L714] B_locked = 1; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] A_locked = 0; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L735-L735] B_locked = 0; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 0; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L730-L730] A_locked = 1; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] A_locked = 1; [2024-06-21 16:05:40,498 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-06-21 16:05:40,499 INFO L106 edCorrectnessWitness]: ghost_update [L719-L719] B_locked = 0; [2024-06-21 16:05:40,499 INFO L106 edCorrectnessWitness]: ghost_update [L727-L727] multithreaded = 1; [2024-06-21 16:05:40,499 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] B_locked = 0; [2024-06-21 16:05:40,499 INFO L106 edCorrectnessWitness]: ghost_update [L715-L715] A_locked = 1; [2024-06-21 16:05:40,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-21 16:05:40,808 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 16:05:40,820 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-21 16:05:40,917 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-21 16:05:40,950 INFO L206 MainTranslator]: Completed translation [2024-06-21 16:05:40,951 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40 WrapperNode [2024-06-21 16:05:40,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-21 16:05:40,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-21 16:05:40,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-21 16:05:40,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-21 16:05:40,958 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 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:40,982 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 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,010 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 163 [2024-06-21 16:05:41,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-21 16:05:41,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-21 16:05:41,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-21 16:05:41,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-21 16:05:41,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,051 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-21 16:05:41,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-21 16:05:41,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-21 16:05:41,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-21 16:05:41,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-21 16:05:41,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (1/1) ... [2024-06-21 16:05:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-21 16:05:41,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-21 16:05:41,096 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) [2024-06-21 16:05:41,103 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 [2024-06-21 16:05:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-06-21 16:05:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-06-21 16:05:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-21 16:05:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-21 16:05:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-06-21 16:05:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-21 16:05:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-21 16:05:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-21 16:05:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-21 16:05:41,128 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-21 16:05:41,225 INFO L244 CfgBuilder]: Building ICFG [2024-06-21 16:05:41,226 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-21 16:05:41,456 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-21 16:05:41,456 INFO L293 CfgBuilder]: Performing block encoding [2024-06-21 16:05:41,594 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-21 16:05:41,594 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-21 16:05:41,594 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 04:05:41 BoogieIcfgContainer [2024-06-21 16:05:41,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-21 16:05:41,596 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-21 16:05:41,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-21 16:05:41,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-21 16:05:41,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.06 04:05:40" (1/4) ... [2024-06-21 16:05:41,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6430f086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.06 04:05:41, skipping insertion in model container [2024-06-21 16:05:41,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.06 04:05:40" (2/4) ... [2024-06-21 16:05:41,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6430f086 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 04:05:41, skipping insertion in model container [2024-06-21 16:05:41,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.06 04:05:40" (3/4) ... [2024-06-21 16:05:41,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6430f086 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 21.06 04:05:41, skipping insertion in model container [2024-06-21 16:05:41,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.06 04:05:41" (4/4) ... [2024-06-21 16:05:41,602 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-06-21 16:05:41,616 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-21 16:05:41,616 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-21 16:05:41,616 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-21 16:05:41,674 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-21 16:05:41,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 55 transitions, 122 flow [2024-06-21 16:05:41,729 INFO L124 PetriNetUnfolderBase]: 1/52 cut-off events. [2024-06-21 16:05:41,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 16:05:41,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 52 events. 1/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 107 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-06-21 16:05:41,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 55 transitions, 122 flow [2024-06-21 16:05:41,736 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 52 transitions, 113 flow [2024-06-21 16:05:41,748 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-21 16:05:41,753 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;@21c89665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-21 16:05:41,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-21 16:05:41,756 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-21 16:05:41,756 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-21 16:05:41,756 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-21 16:05:41,756 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 16:05:41,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-21 16:05:41,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-21 16:05:41,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 16:05:41,790 INFO L85 PathProgramCache]: Analyzing trace with hash 462425250, now seen corresponding path program 1 times [2024-06-21 16:05:41,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 16:05:41,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020861637] [2024-06-21 16:05:41,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 16:05:41,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 16:05:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 16:05:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 16:05:42,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 16:05:42,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020861637] [2024-06-21 16:05:42,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020861637] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 16:05:42,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 16:05:42,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-21 16:05:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070095036] [2024-06-21 16:05:42,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 16:05:42,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-21 16:05:42,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 16:05:42,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-21 16:05:42,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-21 16:05:42,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 55 [2024-06-21 16:05:42,066 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 52 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-06-21 16:05:42,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 16:05:42,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 55 [2024-06-21 16:05:42,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 16:05:43,695 INFO L124 PetriNetUnfolderBase]: 14383/22082 cut-off events. [2024-06-21 16:05:43,696 INFO L125 PetriNetUnfolderBase]: For 65/65 co-relation queries the response was YES. [2024-06-21 16:05:43,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42462 conditions, 22082 events. 14383/22082 cut-off events. For 65/65 co-relation queries the response was YES. Maximal size of possible extension queue 631. Compared 149580 event pairs, 5668 based on Foata normal form. 240/22155 useless extension candidates. Maximal degree in co-relation 42450. Up to 12602 conditions per place. [2024-06-21 16:05:43,762 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 51 selfloop transitions, 2 changer transitions 16/79 dead transitions. [2024-06-21 16:05:43,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 79 transitions, 309 flow [2024-06-21 16:05:43,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-21 16:05:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-21 16:05:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-06-21 16:05:43,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6848484848484848 [2024-06-21 16:05:43,778 INFO L175 Difference]: Start difference. First operand has 61 places, 52 transitions, 113 flow. Second operand 3 states and 113 transitions. [2024-06-21 16:05:43,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 79 transitions, 309 flow [2024-06-21 16:05:43,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 304 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 16:05:43,789 INFO L231 Difference]: Finished difference. Result has 61 places, 44 transitions, 106 flow [2024-06-21 16:05:43,791 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=61, PETRI_TRANSITIONS=44} [2024-06-21 16:05:43,794 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, 0 predicate places. [2024-06-21 16:05:43,795 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 44 transitions, 106 flow [2024-06-21 16:05:43,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-06-21 16:05:43,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-21 16:05:43,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-21 16:05:43,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-21 16:05:43,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-21 16:05:43,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-21 16:05:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1910808476, now seen corresponding path program 1 times [2024-06-21 16:05:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-21 16:05:43,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143650167] [2024-06-21 16:05:43,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-21 16:05:43,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-21 16:05:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-21 16:05:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-21 16:05:43,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-21 16:05:43,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143650167] [2024-06-21 16:05:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143650167] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-21 16:05:43,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-21 16:05:43,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-21 16:05:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045279181] [2024-06-21 16:05:43,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-21 16:05:43,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-21 16:05:43,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-21 16:05:43,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-21 16:05:43,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-21 16:05:43,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 55 [2024-06-21 16:05:43,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 44 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2024-06-21 16:05:43,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-21 16:05:43,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 55 [2024-06-21 16:05:43,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-21 16:05:44,373 INFO L124 PetriNetUnfolderBase]: 3356/5600 cut-off events. [2024-06-21 16:05:44,374 INFO L125 PetriNetUnfolderBase]: For 330/330 co-relation queries the response was YES. [2024-06-21 16:05:44,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11032 conditions, 5600 events. 3356/5600 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 32677 event pairs, 876 based on Foata normal form. 385/5868 useless extension candidates. Maximal degree in co-relation 11020. Up to 3650 conditions per place. [2024-06-21 16:05:44,386 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2024-06-21 16:05:44,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 244 flow [2024-06-21 16:05:44,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-21 16:05:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-21 16:05:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2024-06-21 16:05:44,393 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4727272727272727 [2024-06-21 16:05:44,394 INFO L175 Difference]: Start difference. First operand has 61 places, 44 transitions, 106 flow. Second operand 4 states and 104 transitions. [2024-06-21 16:05:44,394 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 244 flow [2024-06-21 16:05:44,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 61 transitions, 238 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-21 16:05:44,401 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2024-06-21 16:05:44,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2024-06-21 16:05:44,402 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -11 predicate places. [2024-06-21 16:05:44,402 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2024-06-21 16:05:44,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2024-06-21 16:05:44,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 6 remaining) [2024-06-21 16:05:44,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-06-21 16:05:44,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-06-21 16:05:44,405 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-06-21 16:05:44,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-06-21 16:05:44,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-06-21 16:05:44,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-21 16:05:44,410 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-21 16:05:44,413 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-21 16:05:44,413 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-21 16:05:44,416 INFO L507 ceAbstractionStarter]: Automizer considered 3 witness invariants [2024-06-21 16:05:44,416 INFO L508 ceAbstractionStarter]: WitnessConsidered=3 [2024-06-21 16:05:44,417 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.06 04:05:44 BasicIcfg [2024-06-21 16:05:44,417 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-21 16:05:44,418 INFO L158 Benchmark]: Toolchain (without parser) took 3970.98ms. Allocated memory was 180.4MB in the beginning and 692.1MB in the end (delta: 511.7MB). Free memory was 146.2MB in the beginning and 346.9MB in the end (delta: -200.8MB). Peak memory consumption was 315.1MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,420 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 16:05:44,420 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 180.4MB. Free memory was 148.1MB in the beginning and 148.1MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-21 16:05:44,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.11ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 117.9MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,422 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.76ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,422 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 180.4MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,423 INFO L158 Benchmark]: RCFGBuilder took 523.18ms. Allocated memory is still 180.4MB. Free memory was 112.6MB in the beginning and 64.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,423 INFO L158 Benchmark]: TraceAbstraction took 2821.42ms. Allocated memory was 180.4MB in the beginning and 692.1MB in the end (delta: 511.7MB). Free memory was 64.4MB in the beginning and 346.9MB in the end (delta: -282.6MB). Peak memory consumption was 233.3MB. Max. memory is 16.1GB. [2024-06-21 16:05:44,427 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 130.0MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 180.4MB. Free memory was 148.1MB in the beginning and 148.1MB in the end (delta: 25.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.11ms. Allocated memory is still 180.4MB. Free memory was 146.2MB in the beginning and 117.9MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.76ms. Allocated memory is still 180.4MB. Free memory was 117.9MB in the beginning and 114.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 180.4MB. Free memory was 114.7MB in the beginning and 112.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.18ms. Allocated memory is still 180.4MB. Free memory was 112.6MB in the beginning and 64.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2821.42ms. Allocated memory was 180.4MB in the beginning and 692.1MB in the end (delta: 511.7MB). Free memory was 64.4MB in the beginning and 346.9MB in the end (delta: -282.6MB). Peak memory consumption was 233.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 728]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 729]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 730]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 90 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-21 16:05:44,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE