./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i ./goblint.2024-06-19_11-23-25.files/protection/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 19:41:21,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:41:21,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:41:21,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:41:21,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:41:21,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:41:21,428 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:41:21,428 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:41:21,429 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:41:21,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:41:21,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:41:21,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:41:21,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:41:21,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:41:21,434 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:41:21,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:41:21,434 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:41:21,434 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:41:21,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:41:21,435 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:41:21,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:41:21,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:41:21,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:41:21,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:41:21,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:41:21,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:41:21,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:41:21,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:41:21,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:41:21,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:41:21,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:41:21,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:41:21,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:21,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:41:21,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:41:21,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:41:21,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:41:21,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:41:21,441 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:41:21,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:41:21,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:41:21,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:41:21,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:41:21,675 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:41:21,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-27 19:41:22,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:41:22,864 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:41:22,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-27 19:41:22,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c960e83/b090e9b578724667aea14e887c9f98c8/FLAG3164591fc [2024-06-27 19:41:22,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5c960e83/b090e9b578724667aea14e887c9f98c8 [2024-06-27 19:41:22,901 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:41:22,902 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:41:22,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/13-privatized_34-traces-minepp-L-needs-to-be-um_true.yml/witness.yml [2024-06-27 19:41:23,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:41:23,009 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:41:23,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:23,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:41:23,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:41:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:22" (1/2) ... [2024-06-27 19:41:23,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77142b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:23, skipping insertion in model container [2024-06-27 19:41:23,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:41:22" (1/2) ... [2024-06-27 19:41:23,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17bc6acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:41:23, skipping insertion in model container [2024-06-27 19:41:23,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:23" (2/2) ... [2024-06-27 19:41:23,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77142b6f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23, skipping insertion in model container [2024-06-27 19:41:23,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:23" (2/2) ... [2024-06-27 19:41:23,018 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:41:23,047 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:41:23,049 INFO L97 edCorrectnessWitness]: Location invariant before [L702-L702] ! multithreaded || (g == 15 || g == 42) [2024-06-27 19:41:23,049 INFO L103 edCorrectnessWitness]: ghost_variable C_locked = 0 [2024-06-27 19:41:23,049 INFO L103 edCorrectnessWitness]: ghost_variable A_locked = 0 [2024-06-27 19:41:23,049 INFO L103 edCorrectnessWitness]: ghost_variable B_locked = 0 [2024-06-27 19:41:23,049 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:41:23,050 INFO L106 edCorrectnessWitness]: ghost_update [L704-L704] A_locked = 1; [2024-06-27 19:41:23,050 INFO L106 edCorrectnessWitness]: ghost_update [L688-L688] B_locked = 1; [2024-06-27 19:41:23,050 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] A_locked = 0; [2024-06-27 19:41:23,050 INFO L106 edCorrectnessWitness]: ghost_update [L687-L687] A_locked = 1; [2024-06-27 19:41:23,050 INFO L106 edCorrectnessWitness]: ghost_update [L689-L689] C_locked = 1; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L710-L710] C_locked = 1; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L691-L691] C_locked = 0; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] multithreaded = 1; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] B_locked = 0; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] B_locked = 1; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] A_locked = 0; [2024-06-27 19:41:23,051 INFO L106 edCorrectnessWitness]: ghost_update [L695-L695] B_locked = 0; [2024-06-27 19:41:23,052 INFO L106 edCorrectnessWitness]: ghost_update [L705-L705] C_locked = 1; [2024-06-27 19:41:23,052 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] C_locked = 0; [2024-06-27 19:41:23,052 INFO L106 edCorrectnessWitness]: ghost_update [L692-L692] C_locked = 1; [2024-06-27 19:41:23,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:41:23,383 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:23,396 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 19:41:23,469 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:41:23,503 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:41:23,503 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23 WrapperNode [2024-06-27 19:41:23,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:41:23,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:23,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:41:23,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:41:23,510 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 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,538 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 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,552 INFO L138 Inliner]: procedures = 163, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2024-06-27 19:41:23,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:41:23,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:41:23,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:41:23,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:41:23,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,563 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,572 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-06-27 19:41:23,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:41:23,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:41:23,583 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:41:23,583 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:41:23,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (1/1) ... [2024-06-27 19:41:23,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:41:23,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:41:23,658 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) [2024-06-27 19:41:23,673 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 [2024-06-27 19:41:23,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:41:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:41:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-06-27 19:41:23,701 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-06-27 19:41:23,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:41:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:41:23,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-27 19:41:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-06-27 19:41:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:41:23,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:41:23,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:41:23,704 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 19:41:23,837 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:41:23,839 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:41:24,055 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:41:24,056 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:41:24,187 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:41:24,188 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 19:41:24,189 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:24 BoogieIcfgContainer [2024-06-27 19:41:24,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:41:24,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:41:24,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:41:24,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:41:24,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:41:22" (1/4) ... [2024-06-27 19:41:24,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547280c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:41:24, skipping insertion in model container [2024-06-27 19:41:24,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:41:23" (2/4) ... [2024-06-27 19:41:24,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547280c1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:24, skipping insertion in model container [2024-06-27 19:41:24,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:41:23" (3/4) ... [2024-06-27 19:41:24,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547280c1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:41:24, skipping insertion in model container [2024-06-27 19:41:24,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:41:24" (4/4) ... [2024-06-27 19:41:24,196 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_34-traces-minepp-L-needs-to-be-um_true.i [2024-06-27 19:41:24,210 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:41:24,211 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-06-27 19:41:24,211 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:41:24,235 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 19:41:24,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 39 transitions, 82 flow [2024-06-27 19:41:24,288 INFO L124 PetriNetUnfolderBase]: 1/38 cut-off events. [2024-06-27 19:41:24,288 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:24,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 38 events. 1/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-06-27 19:41:24,291 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 39 transitions, 82 flow [2024-06-27 19:41:24,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 26 places, 22 transitions, 47 flow [2024-06-27 19:41:24,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:41:24,311 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;@675b3b29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:41:24,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-06-27 19:41:24,316 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:41:24,317 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-27 19:41:24,317 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:41:24,317 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:24,318 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 19:41:24,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:24,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:24,324 INFO L85 PathProgramCache]: Analyzing trace with hash 282436669, now seen corresponding path program 1 times [2024-06-27 19:41:24,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145588514] [2024-06-27 19:41:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:24,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:24,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:24,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145588514] [2024-06-27 19:41:24,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145588514] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:24,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:24,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:41:24,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203796965] [2024-06-27 19:41:24,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:24,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:24,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:24,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:24,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:24,532 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2024-06-27 19:41:24,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-27 19:41:24,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:24,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2024-06-27 19:41:24,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:24,566 INFO L124 PetriNetUnfolderBase]: 13/58 cut-off events. [2024-06-27 19:41:24,566 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-06-27 19:41:24,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 58 events. 13/58 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 10 based on Foata normal form. 9/64 useless extension candidates. Maximal degree in co-relation 99. Up to 32 conditions per place. [2024-06-27 19:41:24,567 INFO L140 encePairwiseOnDemand]: 35/39 looper letters, 13 selfloop transitions, 3 changer transitions 0/23 dead transitions. [2024-06-27 19:41:24,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 23 transitions, 81 flow [2024-06-27 19:41:24,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 65 transitions. [2024-06-27 19:41:24,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-06-27 19:41:24,577 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 47 flow. Second operand 3 states and 65 transitions. [2024-06-27 19:41:24,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 23 transitions, 81 flow [2024-06-27 19:41:24,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 23 transitions, 80 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 19:41:24,580 INFO L231 Difference]: Finished difference. Result has 28 places, 22 transitions, 57 flow [2024-06-27 19:41:24,582 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=28, PETRI_TRANSITIONS=22} [2024-06-27 19:41:24,584 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2024-06-27 19:41:24,584 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 22 transitions, 57 flow [2024-06-27 19:41:24,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-06-27 19:41:24,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:41:24,585 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:41:24,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:41:24,585 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-06-27 19:41:24,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:41:24,586 INFO L85 PathProgramCache]: Analyzing trace with hash -532361267, now seen corresponding path program 1 times [2024-06-27 19:41:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:41:24,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301111682] [2024-06-27 19:41:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:41:24,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:41:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:41:24,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 19:41:24,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:41:24,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301111682] [2024-06-27 19:41:24,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301111682] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:41:24,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:41:24,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:41:24,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644563193] [2024-06-27 19:41:24,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:41:24,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:41:24,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:41:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:41:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:41:24,629 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 39 [2024-06-27 19:41:24,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 22 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-06-27 19:41:24,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:41:24,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 39 [2024-06-27 19:41:24,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:41:24,656 INFO L124 PetriNetUnfolderBase]: 11/46 cut-off events. [2024-06-27 19:41:24,656 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-27 19:41:24,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 46 events. 11/46 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 40 event pairs, 8 based on Foata normal form. 3/47 useless extension candidates. Maximal degree in co-relation 83. Up to 28 conditions per place. [2024-06-27 19:41:24,656 INFO L140 encePairwiseOnDemand]: 36/39 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2024-06-27 19:41:24,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 22 transitions, 85 flow [2024-06-27 19:41:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:41:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:41:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2024-06-27 19:41:24,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5470085470085471 [2024-06-27 19:41:24,658 INFO L175 Difference]: Start difference. First operand has 28 places, 22 transitions, 57 flow. Second operand 3 states and 64 transitions. [2024-06-27 19:41:24,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 22 transitions, 85 flow [2024-06-27 19:41:24,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 76 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 19:41:24,659 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2024-06-27 19:41:24,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2024-06-27 19:41:24,660 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 0 predicate places. [2024-06-27 19:41:24,660 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2024-06-27 19:41:24,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-06-27 19:41:24,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-06-27 19:41:24,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-06-27 19:41:24,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:41:24,663 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:41:24,665 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:41:24,665 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:41:24,668 INFO L507 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-06-27 19:41:24,668 INFO L508 ceAbstractionStarter]: WitnessConsidered=1 [2024-06-27 19:41:24,669 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:41:24 BasicIcfg [2024-06-27 19:41:24,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:41:24,669 INFO L158 Benchmark]: Toolchain (without parser) took 1660.91ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 51.4MB in the end (delta: 71.3MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,670 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:24,670 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:41:24,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.12ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 95.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.29ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,671 INFO L158 Benchmark]: Boogie Preprocessor took 29.48ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,671 INFO L158 Benchmark]: RCFGBuilder took 605.72ms. Allocated memory is still 161.5MB. Free memory was 91.2MB in the beginning and 96.6MB in the end (delta: -5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,672 INFO L158 Benchmark]: TraceAbstraction took 478.53ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 51.4MB in the end (delta: 45.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-06-27 19:41:24,673 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 109.1MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.12ms. Allocated memory is still 161.5MB. Free memory was 122.7MB in the beginning and 95.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.29ms. Allocated memory is still 161.5MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.48ms. Allocated memory is still 161.5MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.72ms. Allocated memory is still 161.5MB. Free memory was 91.2MB in the beginning and 96.6MB in the end (delta: -5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 478.53ms. Allocated memory is still 161.5MB. Free memory was 96.3MB in the beginning and 51.4MB in the end (delta: 45.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: 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, 58 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: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 1 mSDtfsCounter, 45 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=57occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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! [2024-06-27 19:41:24,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE