./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_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/protection/13-privatized_40-traces-ex-6_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_40-traces-ex-6_true.i ./goblint.2024-05-21_14-57-05.files/protection/13-privatized_40-traces-ex-6_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 11:42:42,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-14 11:42:42,315 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-14 11:42:42,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-14 11:42:42,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-14 11:42:42,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-14 11:42:42,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-14 11:42:42,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-14 11:42:42,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-14 11:42:42,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-14 11:42:42,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-14 11:42:42,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-14 11:42:42,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-14 11:42:42,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-14 11:42:42,354 INFO L153 SettingsManager]: * Use SBE=true [2024-06-14 11:42:42,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-14 11:42:42,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-14 11:42:42,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-14 11:42:42,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-14 11:42:42,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-14 11:42:42,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-14 11:42:42,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-14 11:42:42,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-14 11:42:42,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-14 11:42:42,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-14 11:42:42,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-14 11:42:42,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-14 11:42:42,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-14 11:42:42,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-14 11:42:42,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-14 11:42:42,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-14 11:42:42,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-14 11:42:42,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:42,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-14 11:42:42,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-14 11:42:42,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-14 11:42:42,360 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-14 11:42:42,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-14 11:42:42,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-14 11:42:42,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-14 11:42:42,361 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-14 11:42:42,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-14 11:42:42,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-14 11:42:42,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-14 11:42:42,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-14 11:42:42,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-14 11:42:42,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-14 11:42:42,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-14 11:42:42,584 INFO L274 PluginConnector]: CDTParser initialized [2024-06-14 11:42:42,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-06-14 11:42:43,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-14 11:42:43,838 INFO L384 CDTParser]: Found 1 translation units. [2024-06-14 11:42:43,838 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-06-14 11:42:43,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bef690a2/5075e06116f940e5ba533bb6bfc161db/FLAG0f344bcdb [2024-06-14 11:42:43,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bef690a2/5075e06116f940e5ba533bb6bfc161db [2024-06-14 11:42:43,868 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-14 11:42:43,868 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-14 11:42:43,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/protection/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-06-14 11:42:43,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-14 11:42:43,932 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-14 11:42:43,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:43,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-14 11:42:43,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-14 11:42:43,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:43" (1/2) ... [2024-06-14 11:42:43,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bee63b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:43, skipping insertion in model container [2024-06-14 11:42:43,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 11:42:43" (1/2) ... [2024-06-14 11:42:43,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67323f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 11:42:43, skipping insertion in model container [2024-06-14 11:42:43,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:43" (2/2) ... [2024-06-14 11:42:43,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bee63b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:43, skipping insertion in model container [2024-06-14 11:42:43,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:43" (2/2) ... [2024-06-14 11:42:43,940 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-14 11:42:43,964 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-14 11:42:43,965 INFO L97 edCorrectnessWitness]: Location invariant before [L696-L696] ! multithreaded || (((((0 <= g && 1 <= g) && g <= 2) && g <= 127) && g != 0) && (g == 1 || g == 2)) [2024-06-14 11:42:43,965 INFO L103 edCorrectnessWitness]: ghost_variable D_locked = 0 [2024-06-14 11:42:43,965 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-14 11:42:43,966 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] D_locked = 1; [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L690-L690] D_locked = 0; [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] A_locked = 0; [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] D_locked = 0; [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L697-L697] A_locked = 1; [2024-06-14 11:42:43,966 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] multithreaded = 1; [2024-06-14 11:42:43,967 INFO L106 edCorrectnessWitness]: ghost_update [L686-L686] A_locked = 1; [2024-06-14 11:42:43,967 INFO L106 edCorrectnessWitness]: ghost_update [L685-L685] D_locked = 1; [2024-06-14 11:42:43,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-14 11:42:44,235 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:44,246 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 [2024-06-14 11:42:44,313 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-14 11:42:44,349 INFO L206 MainTranslator]: Completed translation [2024-06-14 11:42:44,349 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.06 11:42:44 WrapperNode [2024-06-14 11:42:44,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-14 11:42:44,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:44,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-14 11:42:44,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-14 11:42:44,354 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,362 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,375 INFO L138 Inliner]: procedures = 162, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-06-14 11:42:44,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-14 11:42:44,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-14 11:42:44,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-14 11:42:44,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-14 11:42:44,384 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,384 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,387 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,397 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 11:42:44,397 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,397 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,403 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,404 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,405 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,406 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-14 11:42:44,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-14 11:42:44,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-14 11:42:44,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-14 11:42:44,410 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 11:42:44" (1/1) ... [2024-06-14 11:42:44,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-14 11:42:44,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-14 11:42:44,438 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 11:42:44,440 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 11:42:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-14 11:42:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-14 11:42:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-14 11:42:44,464 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-14 11:42:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-14 11:42:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-14 11:42:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-14 11:42:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-14 11:42:44,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-14 11:42:44,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-14 11:42:44,473 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 11:42:44,556 INFO L244 CfgBuilder]: Building ICFG [2024-06-14 11:42:44,558 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-14 11:42:44,693 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-14 11:42:44,700 INFO L293 CfgBuilder]: Performing block encoding [2024-06-14 11:42:44,814 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-14 11:42:44,814 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-14 11:42:44,815 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:44 BoogieIcfgContainer [2024-06-14 11:42:44,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-14 11:42:44,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-14 11:42:44,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-14 11:42:44,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-14 11:42:44,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 11:42:43" (1/4) ... [2024-06-14 11:42:44,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 11:42:44, skipping insertion in model container [2024-06-14 11:42:44,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.06 11:42:43" (2/4) ... [2024-06-14 11:42:44,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e172 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:42:44, skipping insertion in model container [2024-06-14 11:42:44,832 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 11:42:44" (3/4) ... [2024-06-14 11:42:44,833 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7e172 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.06 11:42:44, skipping insertion in model container [2024-06-14 11:42:44,833 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 11:42:44" (4/4) ... [2024-06-14 11:42:44,834 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-06-14 11:42:44,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-14 11:42:44,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-14 11:42:44,849 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-14 11:42:44,880 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-14 11:42:44,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 11:42:44,932 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-06-14 11:42:44,935 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:44,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-14 11:42:44,937 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 50 flow [2024-06-14 11:42:44,939 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 19 places, 15 transitions, 33 flow [2024-06-14 11:42:44,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-14 11:42:44,956 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;@178d82ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-14 11:42:44,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-14 11:42:44,963 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-14 11:42:44,963 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-14 11:42:44,963 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:44,964 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:44,964 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-14 11:42:44,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:44,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:44,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1849706466, now seen corresponding path program 1 times [2024-06-14 11:42:44,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:44,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747286862] [2024-06-14 11:42:44,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:44,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:45,261 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 11:42:45,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:45,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747286862] [2024-06-14 11:42:45,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747286862] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:45,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:45,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-14 11:42:45,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313940454] [2024-06-14 11:42:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:45,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:42:45,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:45,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:42:45,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:42:45,306 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-06-14 11:42:45,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 15 transitions, 33 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 11:42:45,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:45,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-06-14 11:42:45,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:45,361 INFO L124 PetriNetUnfolderBase]: 8/34 cut-off events. [2024-06-14 11:42:45,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-14 11:42:45,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 34 events. 8/34 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 40 event pairs, 6 based on Foata normal form. 6/39 useless extension candidates. Maximal degree in co-relation 58. Up to 23 conditions per place. [2024-06-14 11:42:45,363 INFO L140 encePairwiseOnDemand]: 19/23 looper letters, 11 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2024-06-14 11:42:45,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:42:45,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:42:45,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 33 transitions. [2024-06-14 11:42:45,371 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4782608695652174 [2024-06-14 11:42:45,373 INFO L175 Difference]: Start difference. First operand has 19 places, 15 transitions, 33 flow. Second operand 3 states and 33 transitions. [2024-06-14 11:42:45,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 16 transitions, 63 flow [2024-06-14 11:42:45,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 16 transitions, 62 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-14 11:42:45,384 INFO L231 Difference]: Finished difference. Result has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:45,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=32, PETRI_DIFFERENCE_MINUEND_PLACES=18, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=43, PETRI_PLACES=21, PETRI_TRANSITIONS=15} [2024-06-14 11:42:45,403 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 2 predicate places. [2024-06-14 11:42:45,404 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 15 transitions, 43 flow [2024-06-14 11:42:45,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 11:42:45,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-14 11:42:45,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-14 11:42:45,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-14 11:42:45,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-14 11:42:45,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-14 11:42:45,406 INFO L85 PathProgramCache]: Analyzing trace with hash -920254593, now seen corresponding path program 1 times [2024-06-14 11:42:45,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-14 11:42:45,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762712662] [2024-06-14 11:42:45,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-14 11:42:45,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-14 11:42:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-14 11:42:45,527 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 11:42:45,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-14 11:42:45,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762712662] [2024-06-14 11:42:45,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762712662] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-14 11:42:45,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-14 11:42:45,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-14 11:42:45,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736599688] [2024-06-14 11:42:45,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-14 11:42:45,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-14 11:42:45,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-14 11:42:45,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-14 11:42:45,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-14 11:42:45,537 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 23 [2024-06-14 11:42:45,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 15 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 11:42:45,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-14 11:42:45,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 23 [2024-06-14 11:42:45,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-14 11:42:45,569 INFO L124 PetriNetUnfolderBase]: 7/28 cut-off events. [2024-06-14 11:42:45,570 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-06-14 11:42:45,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 28 events. 7/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 5 based on Foata normal form. 2/29 useless extension candidates. Maximal degree in co-relation 52. Up to 21 conditions per place. [2024-06-14 11:42:45,573 INFO L140 encePairwiseOnDemand]: 20/23 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2024-06-14 11:42:45,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 15 transitions, 67 flow [2024-06-14 11:42:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-14 11:42:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-14 11:42:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2024-06-14 11:42:45,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.463768115942029 [2024-06-14 11:42:45,574 INFO L175 Difference]: Start difference. First operand has 21 places, 15 transitions, 43 flow. Second operand 3 states and 32 transitions. [2024-06-14 11:42:45,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 15 transitions, 67 flow [2024-06-14 11:42:45,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 58 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-14 11:42:45,575 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-06-14 11:42:45,575 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-06-14 11:42:45,577 INFO L281 CegarLoopForPetriNet]: 19 programPoint places, 0 predicate places. [2024-06-14 11:42:45,577 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-06-14 11:42:45,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 11:42:45,579 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-14 11:42:45,581 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-14 11:42:45,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-14 11:42:45,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-14 11:42:45,585 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-14 11:42:45,585 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-14 11:42:45,589 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-14 11:42:45,590 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-14 11:42:45,591 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 11:42:45 BasicIcfg [2024-06-14 11:42:45,591 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-14 11:42:45,592 INFO L158 Benchmark]: Toolchain (without parser) took 1659.29ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 104.0MB in the end (delta: -8.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:45,593 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:45,593 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 169.9MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:45,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.22ms. Allocated memory is still 169.9MB. Free memory was 94.8MB in the beginning and 127.7MB in the end (delta: -32.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-06-14 11:42:45,596 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.49ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 125.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:45,598 INFO L158 Benchmark]: Boogie Preprocessor took 32.93ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-14 11:42:45,598 INFO L158 Benchmark]: RCFGBuilder took 405.77ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 97.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-14 11:42:45,599 INFO L158 Benchmark]: TraceAbstraction took 775.30ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 104.0MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-14 11:42:45,600 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 169.9MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 169.9MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.22ms. Allocated memory is still 169.9MB. Free memory was 94.8MB in the beginning and 127.7MB in the end (delta: -32.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.49ms. Allocated memory is still 169.9MB. Free memory was 127.7MB in the beginning and 125.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.93ms. Allocated memory is still 169.9MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.77ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 97.7MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 775.30ms. Allocated memory is still 169.9MB. Free memory was 97.1MB in the beginning and 104.0MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 696]: 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, 35 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 44 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 44 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 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 11:42:45,628 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