./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_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/mutex-meet-nonrel/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_32-traces-mine-vs-oplus-vs-meet_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-7724a2d-m [2024-06-28 02:45:17,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:45:17,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:45:17,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:45:17,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:45:17,355 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:45:17,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:45:17,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:45:17,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:45:17,362 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:45:17,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:45:17,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:45:17,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:45:17,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:45:17,364 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:45:17,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:45:17,365 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:45:17,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:45:17,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:45:17,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:45:17,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:45:17,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:45:17,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:45:17,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:45:17,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:45:17,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:45:17,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:45:17,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:45:17,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:45:17,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:45:17,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:45:17,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:45:17,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:17,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:45:17,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:45:17,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:45:17,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:45:17,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:45:17,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:45:17,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:45:17,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:45:17,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:45:17,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:45:17,630 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:45:17,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-28 02:45:18,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:45:18,996 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:45:19,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-28 02:45:19,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbd22ed8/a1154079907e4ce3b8bbbf57fac4bf27/FLAGf2665340d [2024-06-28 02:45:19,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0dbd22ed8/a1154079907e4ce3b8bbbf57fac4bf27 [2024-06-28 02:45:19,042 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:45:19,042 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:45:19,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.yml/witness.yml [2024-06-28 02:45:19,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:45:19,157 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:45:19,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:19,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:45:19,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:45:19,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:19" (1/2) ... [2024-06-28 02:45:19,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20606c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:19, skipping insertion in model container [2024-06-28 02:45:19,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:45:19" (1/2) ... [2024-06-28 02:45:19,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@29a24cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:45:19, skipping insertion in model container [2024-06-28 02:45:19,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:19" (2/2) ... [2024-06-28 02:45:19,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20606c9d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19, skipping insertion in model container [2024-06-28 02:45:19,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:19" (2/2) ... [2024-06-28 02:45:19,166 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:45:19,200 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:45:19,202 INFO L97 edCorrectnessWitness]: Location invariant before [L701-L701] (((! multithreaded || (C_locked || g == 0)) && (! multithreaded || (g == 0 || g == 5))) && (! multithreaded || (B_locked || (g == 0 || g == 5)))) && (! multithreaded || (A_locked || g == 0)) [2024-06-28 02:45:19,202 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-28 02:45:19,202 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-28 02:45:19,202 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:45:19,202 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-28 02:45:19,203 INFO L106 edCorrectnessWitness]: ghost_update [L702-L702] C_locked = 1; [2024-06-28 02:45:19,203 INFO L106 edCorrectnessWitness]: ghost_update [L693-L693] B_locked = 0; [2024-06-28 02:45:19,203 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-28 02:45:19,203 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] multithreaded = 1; [2024-06-28 02:45:19,203 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] A_locked = 1; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] B_locked = 1; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] B_locked = 0; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] A_locked = 0; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] B_locked = 0; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] C_locked = 0; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] A_locked = 0; [2024-06-28 02:45:19,204 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 1; [2024-06-28 02:45:19,205 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] B_locked = 0; [2024-06-28 02:45:19,205 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] C_locked = 0; [2024-06-28 02:45:19,205 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] C_locked = 1; [2024-06-28 02:45:19,205 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 1; [2024-06-28 02:45:19,205 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 1; [2024-06-28 02:45:19,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:45:19,529 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:19,543 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 [2024-06-28 02:45:19,622 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:45:19,663 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:45:19,664 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19 WrapperNode [2024-06-28 02:45:19,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:45:19,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:19,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:45:19,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:45:19,671 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 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,687 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 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,702 INFO L138 Inliner]: procedures = 162, calls = 44, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 95 [2024-06-28 02:45:19,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:45:19,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:45:19,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:45:19,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:45:19,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,726 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-28 02:45:19,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,736 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:45:19,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:45:19,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:45:19,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:45:19,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (1/1) ... [2024-06-28 02:45:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:45:19,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:45:19,776 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) [2024-06-28 02:45:19,781 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 [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-28 02:45:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:45:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:45:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:45:19,804 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:45:19,893 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:45:19,895 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:45:20,065 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:45:20,065 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:45:20,182 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:45:20,182 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:45:20,182 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:20 BoogieIcfgContainer [2024-06-28 02:45:20,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:45:20,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:45:20,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:45:20,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:45:20,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:45:19" (1/4) ... [2024-06-28 02:45:20,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b0b2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:45:20, skipping insertion in model container [2024-06-28 02:45:20,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:45:19" (2/4) ... [2024-06-28 02:45:20,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b0b2bf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:20, skipping insertion in model container [2024-06-28 02:45:20,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:45:19" (3/4) ... [2024-06-28 02:45:20,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b0b2bf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:45:20, skipping insertion in model container [2024-06-28 02:45:20,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:45:20" (4/4) ... [2024-06-28 02:45:20,192 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2024-06-28 02:45:20,217 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:45:20,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-28 02:45:20,218 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:45:20,249 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-28 02:45:20,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 91 flow [2024-06-28 02:45:20,303 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-06-28 02:45:20,305 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:20,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 41 events. 0/41 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 37 event pairs, 0 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 02:45:20,306 INFO L82 GeneralOperation]: Start removeDead. Operand has 46 places, 42 transitions, 91 flow [2024-06-28 02:45:20,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 22 transitions, 47 flow [2024-06-28 02:45:20,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:45:20,327 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;@5fc4301f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:45:20,327 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-28 02:45:20,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:45:20,333 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-28 02:45:20,333 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:45:20,334 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:20,334 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:45:20,335 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:20,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:20,339 INFO L85 PathProgramCache]: Analyzing trace with hash 317893944, now seen corresponding path program 1 times [2024-06-28 02:45:20,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:20,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987615586] [2024-06-28 02:45:20,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:20,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:20,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:20,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987615586] [2024-06-28 02:45:20,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987615586] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:20,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:20,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:45:20,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295142493] [2024-06-28 02:45:20,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:20,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:45:20,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:20,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:45:20,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:45:20,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-06-28 02:45:20,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 47 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) [2024-06-28 02:45:20,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:20,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-06-28 02:45:20,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:20,756 INFO L124 PetriNetUnfolderBase]: 13/58 cut-off events. [2024-06-28 02:45:20,756 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-28 02:45:20,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 58 events. 13/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 10 based on Foata normal form. 9/63 useless extension candidates. Maximal degree in co-relation 99. Up to 32 conditions per place. [2024-06-28 02:45:20,759 INFO L140 encePairwiseOnDemand]: 38/42 looper letters, 13 selfloop transitions, 3 changer transitions 0/23 dead transitions. [2024-06-28 02:45:20,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 81 flow [2024-06-28 02:45:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:45:20,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:45:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-06-28 02:45:20,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49206349206349204 [2024-06-28 02:45:20,769 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 47 flow. Second operand 3 states and 62 transitions. [2024-06-28 02:45:20,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 81 flow [2024-06-28 02:45:20,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-28 02:45:20,772 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 57 flow [2024-06-28 02:45:20,773 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2024-06-28 02:45:20,776 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-06-28 02:45:20,776 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 57 flow [2024-06-28 02:45:20,776 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) [2024-06-28 02:45:20,776 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:45:20,776 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 02:45:20,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:45:20,777 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-28 02:45:20,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:45:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 285744367, now seen corresponding path program 1 times [2024-06-28 02:45:20,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:45:20,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712916717] [2024-06-28 02:45:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:45:20,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:45:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:45:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:45:20,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:45:20,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712916717] [2024-06-28 02:45:20,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712916717] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:45:20,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:45:20,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-28 02:45:20,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529141638] [2024-06-28 02:45:20,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:45:20,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-28 02:45:20,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:45:20,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-28 02:45:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-28 02:45:20,993 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-06-28 02:45:20,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 57 flow. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2024-06-28 02:45:20,993 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:45:20,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-06-28 02:45:20,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:45:21,044 INFO L124 PetriNetUnfolderBase]: 11/48 cut-off events. [2024-06-28 02:45:21,046 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-28 02:45:21,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 48 events. 11/48 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 44 event pairs, 2 based on Foata normal form. 3/50 useless extension candidates. Maximal degree in co-relation 85. Up to 12 conditions per place. [2024-06-28 02:45:21,048 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2024-06-28 02:45:21,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 24 transitions, 93 flow [2024-06-28 02:45:21,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-28 02:45:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-28 02:45:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2024-06-28 02:45:21,055 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44285714285714284 [2024-06-28 02:45:21,055 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 57 flow. Second operand 5 states and 93 transitions. [2024-06-28 02:45:21,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 24 transitions, 93 flow [2024-06-28 02:45:21,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 24 transitions, 84 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-28 02:45:21,056 INFO L231 Difference]: Finished difference. Result has 28 places, 0 transitions, 0 flow [2024-06-28 02:45:21,056 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=28, PETRI_TRANSITIONS=0} [2024-06-28 02:45:21,057 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-06-28 02:45:21,057 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 0 transitions, 0 flow [2024-06-28 02:45:21,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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) [2024-06-28 02:45:21,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-28 02:45:21,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-28 02:45:21,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 02:45:21,060 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 02:45:21,062 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:45:21,062 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:45:21,066 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-28 02:45:21,067 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-28 02:45:21,067 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:45:21 BasicIcfg [2024-06-28 02:45:21,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:45:21,068 INFO L158 Benchmark]: Toolchain (without parser) took 1910.78ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 71.9MB in the beginning and 160.0MB in the end (delta: -88.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:21,068 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:21,069 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:21,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.24ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 71.8MB in the beginning and 190.1MB in the end (delta: -118.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-06-28 02:45:21,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.17ms. Allocated memory is still 237.0MB. Free memory was 190.1MB in the beginning and 188.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:21,073 INFO L158 Benchmark]: Boogie Preprocessor took 31.71ms. Allocated memory is still 237.0MB. Free memory was 188.0MB in the beginning and 185.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:45:21,073 INFO L158 Benchmark]: RCFGBuilder took 444.73ms. Allocated memory is still 237.0MB. Free memory was 185.9MB in the beginning and 147.1MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-06-28 02:45:21,073 INFO L158 Benchmark]: TraceAbstraction took 882.56ms. Allocated memory is still 237.0MB. Free memory was 146.0MB in the beginning and 160.0MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:45:21,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.24ms. Allocated memory was 151.0MB in the beginning and 237.0MB in the end (delta: 86.0MB). Free memory was 71.8MB in the beginning and 190.1MB in the end (delta: -118.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.17ms. Allocated memory is still 237.0MB. Free memory was 190.1MB in the beginning and 188.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.71ms. Allocated memory is still 237.0MB. Free memory was 188.0MB in the beginning and 185.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.73ms. Allocated memory is still 237.0MB. Free memory was 185.9MB in the beginning and 147.1MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 882.56ms. Allocated memory is still 237.0MB. Free memory was 146.0MB in the beginning and 160.0MB in the end (delta: -14.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 62 locations, 2 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 70 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=57occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 02:45:21,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE