./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_31-traces-mine-vs-mutex_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cde23df1 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_31-traces-mine-vs-mutex_true.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_31-traces-mine-vs-mutex_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-cde23df-m [2024-06-14 14:14:03,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 14:14:03,273 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 14:14:03,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 14:14:03,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 14:14:03,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 14:14:03,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 14:14:03,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 14:14:03,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 14:14:03,301 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 14:14:03,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 14:14:03,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 14:14:03,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 14:14:03,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 14:14:03,302 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 14:14:03,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 14:14:03,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 14:14:03,303 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 14:14:03,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 14:14:03,303 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 14:14:03,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 14:14:03,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 14:14:03,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 14:14:03,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 14:14:03,305 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 14:14:03,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 14:14:03,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 14:14:03,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 14:14:03,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 14:14:03,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 14:14:03,306 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 14:14:03,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 14:14:03,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:14:03,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 14:14:03,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 14:14:03,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 14:14:03,307 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 14:14:03,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 14:14:03,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 14:14:03,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 14:14:03,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 14:14:03,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 14:14:03,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 14:14:03,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 14:14:03,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 14:14:03,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 14:14:03,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 14:14:03,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 14:14:03,473 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 14:14:03,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-14 14:14:04,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 14:14:04,692 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 14:14:04,692 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-14 14:14:04,705 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76b8c951/ac8c72df7eaa445ea3415482d2c885aa/FLAGcef55cf14 [2024-06-14 14:14:04,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a76b8c951/ac8c72df7eaa445ea3415482d2c885aa [2024-06-14 14:14:04,721 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 14:14:04,721 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 14:14:04,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/13-privatized_31-traces-mine-vs-mutex_true.yml/witness.yml [2024-06-14 14:14:04,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 14:14:04,827 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 14:14:04,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 14:14:04,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 14:14:04,833 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 14:14:04,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:14:04" (1/2) ... [2024-06-14 14:14:04,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adcfb37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:14:04, skipping insertion in model container [2024-06-14 14:14:04,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 02:14:04" (1/2) ... [2024-06-14 14:14:04,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c2117ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 02:14:04, skipping insertion in model container [2024-06-14 14:14:04,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:04" (2/2) ... [2024-06-14 14:14:04,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3adcfb37 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:04, skipping insertion in model container [2024-06-14 14:14:04,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:04" (2/2) ... [2024-06-14 14:14:04,837 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 14:14:04,870 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 14:14:04,871 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] ((! multithreaded || ((0 <= g && g <= 1) && (g == 0 || g == 1))) && (! multithreaded || (B_locked || ((0 <= g && g <= 1) && (g == 0 || g == 1))))) && (! multithreaded || (A_locked || g == 0)) [2024-06-14 14:14:04,871 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-14 14:14:04,871 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 14:14:04,871 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 14:14:04,872 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] multithreaded = 1; [2024-06-14 14:14:04,872 INFO L106 edCorrectnessWitness]: ghost_update [L700-L700] A_locked = 1; [2024-06-14 14:14:04,872 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] B_locked = 1; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] B_locked = 0; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] B_locked = 1; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] B_locked = 0; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] B_locked = 1; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] A_locked = 0; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] B_locked = 0; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 0; [2024-06-14 14:14:04,873 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] A_locked = 1; [2024-06-14 14:14:04,874 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 0; [2024-06-14 14:14:04,874 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] B_locked = 1; [2024-06-14 14:14:04,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 14:14:05,115 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:14:05,124 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 [2024-06-14 14:14:05,244 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 14:14:05,271 INFO L206 MainTranslator]: Completed translation [2024-06-14 14:14:05,271 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05 WrapperNode [2024-06-14 14:14:05,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 14:14:05,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 14:14:05,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 14:14:05,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 14:14:05,277 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 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,291 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 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,306 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-06-14 14:14:05,306 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 14:14:05,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 14:14:05,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 14:14:05,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 14:14:05,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,315 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,323 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]. [2024-06-14 14:14:05,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 14:14:05,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 14:14:05,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 14:14:05,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 14:14:05,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (1/1) ... [2024-06-14 14:14:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 14:14:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 14:14:05,360 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) [2024-06-14 14:14:05,368 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 [2024-06-14 14:14:05,385 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 14:14:05,386 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 14:14:05,386 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 14:14:05,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 14:14:05,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 14:14:05,388 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-14 14:14:05,508 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 14:14:05,510 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 14:14:05,655 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 14:14:05,655 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 14:14:05,770 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 14:14:05,770 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 14:14:05,771 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:14:05 BoogieIcfgContainer [2024-06-14 14:14:05,771 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 14:14:05,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 14:14:05,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 14:14:05,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 14:14:05,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 02:14:04" (1/4) ... [2024-06-14 14:14:05,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634bb389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 02:14:05, skipping insertion in model container [2024-06-14 14:14:05,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 02:14:04" (2/4) ... [2024-06-14 14:14:05,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634bb389 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:14:05, skipping insertion in model container [2024-06-14 14:14:05,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 02:14:05" (3/4) ... [2024-06-14 14:14:05,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634bb389 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 02:14:05, skipping insertion in model container [2024-06-14 14:14:05,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 02:14:05" (4/4) ... [2024-06-14 14:14:05,780 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2024-06-14 14:14:05,792 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 14:14:05,792 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 14:14:05,792 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 14:14:05,813 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-06-14 14:14:05,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 39 places, 35 transitions, 77 flow [2024-06-14 14:14:05,864 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-06-14 14:14:05,865 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-14 14:14:05,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 34 events. 0/34 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-14 14:14:05,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 39 places, 35 transitions, 77 flow [2024-06-14 14:14:05,877 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2024-06-14 14:14:05,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 14:14:05,890 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;@3abf2e94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 14:14:05,890 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 14:14:05,893 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 14:14:05,893 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 14:14:05,893 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:14:05,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:14:05,894 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 14:14:05,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 14:14:05,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:14:05,897 INFO L85 PathProgramCache]: Analyzing trace with hash -985954722, now seen corresponding path program 1 times [2024-06-14 14:14:05,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:14:05,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853086707] [2024-06-14 14:14:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:14:05,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:14:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:14:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:14:06,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:14:06,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853086707] [2024-06-14 14:14:06,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853086707] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:14:06,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:14:06,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 14:14:06,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580613213] [2024-06-14 14:14:06,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:14:06,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 14:14:06,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:14:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 14:14:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 14:14:06,211 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-06-14 14:14:06,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-06-14 14:14:06,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:14:06,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-06-14 14:14:06,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:14:06,268 INFO L124 PetriNetUnfolderBase]: 15/52 cut-off events. [2024-06-14 14:14:06,268 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 14:14:06,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 52 events. 15/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 8 based on Foata normal form. 3/52 useless extension candidates. Maximal degree in co-relation 89. Up to 35 conditions per place. [2024-06-14 14:14:06,270 INFO L140 encePairwiseOnDemand]: 32/35 looper letters, 14 selfloop transitions, 2 changer transitions 0/20 dead transitions. [2024-06-14 14:14:06,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 75 flow [2024-06-14 14:14:06,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 14:14:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 14:14:06,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2024-06-14 14:14:06,279 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-14 14:14:06,280 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 41 flow. Second operand 3 states and 50 transitions. [2024-06-14 14:14:06,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 75 flow [2024-06-14 14:14:06,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 74 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 14:14:06,283 INFO L231 Difference]: Finished difference. Result has 25 places, 19 transitions, 48 flow [2024-06-14 14:14:06,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=25, PETRI_TRANSITIONS=19} [2024-06-14 14:14:06,287 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2024-06-14 14:14:06,288 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 19 transitions, 48 flow [2024-06-14 14:14:06,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-06-14 14:14:06,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 14:14:06,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 14:14:06,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 14:14:06,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 14:14:06,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 14:14:06,289 INFO L85 PathProgramCache]: Analyzing trace with hash -774179885, now seen corresponding path program 1 times [2024-06-14 14:14:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 14:14:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158032091] [2024-06-14 14:14:06,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 14:14:06,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 14:14:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 14:14:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-14 14:14:06,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 14:14:06,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158032091] [2024-06-14 14:14:06,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158032091] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 14:14:06,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 14:14:06,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-14 14:14:06,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668216547] [2024-06-14 14:14:06,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 14:14:06,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-14 14:14:06,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 14:14:06,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-14 14:14:06,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-14 14:14:06,527 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-06-14 14:14:06,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 48 flow. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2024-06-14 14:14:06,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 14:14:06,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-06-14 14:14:06,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 14:14:06,595 INFO L124 PetriNetUnfolderBase]: 9/39 cut-off events. [2024-06-14 14:14:06,595 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-14 14:14:06,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 39 events. 9/39 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 33 event pairs, 0 based on Foata normal form. 7/45 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2024-06-14 14:14:06,596 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2024-06-14 14:14:06,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 22 transitions, 88 flow [2024-06-14 14:14:06,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-14 14:14:06,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-14 14:14:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 98 transitions. [2024-06-14 14:14:06,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4 [2024-06-14 14:14:06,601 INFO L175 Difference]: Start difference. First operand has 25 places, 19 transitions, 48 flow. Second operand 7 states and 98 transitions. [2024-06-14 14:14:06,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 22 transitions, 88 flow [2024-06-14 14:14:06,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 22 transitions, 82 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 14:14:06,602 INFO L231 Difference]: Finished difference. Result has 27 places, 0 transitions, 0 flow [2024-06-14 14:14:06,602 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=27, PETRI_TRANSITIONS=0} [2024-06-14 14:14:06,603 INFO L281 CegarLoopForPetriNet]: 23 programPoint places, 4 predicate places. [2024-06-14 14:14:06,603 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 0 transitions, 0 flow [2024-06-14 14:14:06,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 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) [2024-06-14 14:14:06,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 14:14:06,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 14:14:06,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 14:14:06,606 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 14:14:06,614 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 14:14:06,615 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 14:14:06,622 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 14:14:06,623 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 14:14:06,624 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 02:14:06 BasicIcfg [2024-06-14 14:14:06,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 14:14:06,625 INFO L158 Benchmark]: Toolchain (without parser) took 1797.33ms. Allocated memory is still 199.2MB. Free memory was 125.9MB in the beginning and 148.5MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:06,625 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:06,625 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:06,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.00ms. Allocated memory is still 199.2MB. Free memory was 125.8MB in the beginning and 163.1MB in the end (delta: -37.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-14 14:14:06,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.01ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 161.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:14:06,629 INFO L158 Benchmark]: Boogie Preprocessor took 24.64ms. Allocated memory is still 199.2MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 14:14:06,629 INFO L158 Benchmark]: RCFGBuilder took 439.31ms. Allocated memory is still 199.2MB. Free memory was 159.0MB in the beginning and 128.7MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-14 14:14:06,630 INFO L158 Benchmark]: TraceAbstraction took 851.96ms. Allocated memory is still 199.2MB. Free memory was 128.1MB in the beginning and 148.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 14:14:06,631 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 111.1MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 130.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.00ms. Allocated memory is still 199.2MB. Free memory was 125.8MB in the beginning and 163.1MB in the end (delta: -37.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.01ms. Allocated memory is still 199.2MB. Free memory was 163.1MB in the beginning and 161.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.64ms. Allocated memory is still 199.2MB. Free memory was 161.1MB in the beginning and 159.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 439.31ms. Allocated memory is still 199.2MB. Free memory was 159.0MB in the beginning and 128.7MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 851.96ms. Allocated memory is still 199.2MB. Free memory was 128.1MB in the beginning and 148.5MB in the end (delta: -20.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: 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, 51 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: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 0 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=1, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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! [2024-06-14 14:14:06,668 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