./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/sync01.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/sync01.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/pthread/sync01.i ./goblint.2024-06-19_11-23-25.files/protection/sync01.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 19:17:21,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 19:17:21,325 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 19:17:21,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 19:17:21,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 19:17:21,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 19:17:21,356 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 19:17:21,356 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 19:17:21,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 19:17:21,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 19:17:21,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 19:17:21,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 19:17:21,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 19:17:21,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 19:17:21,362 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 19:17:21,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 19:17:21,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 19:17:21,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 19:17:21,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 19:17:21,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 19:17:21,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 19:17:21,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 19:17:21,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 19:17:21,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 19:17:21,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 19:17:21,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 19:17:21,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 19:17:21,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 19:17:21,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 19:17:21,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 19:17:21,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 19:17:21,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 19:17:21,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:17:21,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 19:17:21,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 19:17:21,370 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 19:17:21,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 19:17:21,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 19:17:21,370 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-27 19:17:21,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 19:17:21,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 19:17:21,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 19:17:21,638 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 19:17:21,639 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 19:17:21,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/protection/sync01.yml/witness.yml [2024-06-27 19:17:21,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 19:17:21,755 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 19:17:21,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-06-27 19:17:22,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 19:17:22,995 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 19:17:22,996 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-06-27 19:17:23,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64d7d501/d1a84b82e8914b21833fcf429139aa08/FLAG68233a934 [2024-06-27 19:17:23,023 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64d7d501/d1a84b82e8914b21833fcf429139aa08 [2024-06-27 19:17:23,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 19:17:23,025 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 19:17:23,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 19:17:23,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 19:17:23,032 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 19:17:23,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:17:21" (1/2) ... [2024-06-27 19:17:23,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54587865 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:17:23, skipping insertion in model container [2024-06-27 19:17:23,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:17:21" (1/2) ... [2024-06-27 19:17:23,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36ec0509 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 07:17:23, skipping insertion in model container [2024-06-27 19:17:23,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:17:23" (2/2) ... [2024-06-27 19:17:23,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54587865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23, skipping insertion in model container [2024-06-27 19:17:23,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 07:17:23" (2/2) ... [2024-06-27 19:17:23,037 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 19:17:23,066 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 19:17:23,067 INFO L97 edCorrectnessWitness]: Location invariant before [L962-L962] ! multithreaded || (0 <= num && num <= 1) [2024-06-27 19:17:23,068 INFO L97 edCorrectnessWitness]: Location invariant before [L961-L961] ! multithreaded || (0 <= num && num <= 1) [2024-06-27 19:17:23,068 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 19:17:23,068 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-06-27 19:17:23,068 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 0; [2024-06-27 19:17:23,068 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 1; [2024-06-27 19:17:23,068 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 1; [2024-06-27 19:17:23,068 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 0; [2024-06-27 19:17:23,068 INFO L106 edCorrectnessWitness]: ghost_update [L939-L939] m_locked = 0; [2024-06-27 19:17:23,069 INFO L106 edCorrectnessWitness]: ghost_update [L945-L945] m_locked = 1; [2024-06-27 19:17:23,069 INFO L106 edCorrectnessWitness]: ghost_update [L935-L935] m_locked = 1; [2024-06-27 19:17:23,069 INFO L106 edCorrectnessWitness]: ghost_update [L949-L949] m_locked = 0; [2024-06-27 19:17:23,069 INFO L106 edCorrectnessWitness]: ghost_update [L960-L960] multithreaded = 1; [2024-06-27 19:17:23,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 19:17:23,421 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:17:23,431 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 [2024-06-27 19:17:23,520 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 19:17:23,576 INFO L206 MainTranslator]: Completed translation [2024-06-27 19:17:23,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23 WrapperNode [2024-06-27 19:17:23,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 19:17:23,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 19:17:23,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 19:17:23,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 19:17:23,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,637 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-06-27 19:17:23,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 19:17:23,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 19:17:23,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 19:17:23,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 19:17:23,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,659 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,681 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-06-27 19:17:23,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 19:17:23,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 19:17:23,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 19:17:23,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 19:17:23,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (1/1) ... [2024-06-27 19:17:23,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 19:17:23,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 19:17:23,731 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 19:17:23,732 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 19:17:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-27 19:17:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-27 19:17:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-27 19:17:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-27 19:17:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-27 19:17:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-27 19:17:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 19:17:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 19:17:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-27 19:17:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 19:17:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 19:17:23,760 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 19:17:23,861 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 19:17:23,862 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 19:17:23,997 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 19:17:23,997 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 19:17:24,118 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 19:17:24,118 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-06-27 19:17:24,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:17:24 BoogieIcfgContainer [2024-06-27 19:17:24,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 19:17:24,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 19:17:24,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 19:17:24,126 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 19:17:24,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 07:17:21" (1/4) ... [2024-06-27 19:17:24,127 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e1d678 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 07:17:24, skipping insertion in model container [2024-06-27 19:17:24,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 07:17:23" (2/4) ... [2024-06-27 19:17:24,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e1d678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:17:24, skipping insertion in model container [2024-06-27 19:17:24,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 07:17:23" (3/4) ... [2024-06-27 19:17:24,128 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e1d678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 07:17:24, skipping insertion in model container [2024-06-27 19:17:24,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 07:17:24" (4/4) ... [2024-06-27 19:17:24,130 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-06-27 19:17:24,153 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 19:17:24,154 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-27 19:17:24,154 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 19:17:24,193 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-27 19:17:24,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 33 transitions, 80 flow [2024-06-27 19:17:24,256 INFO L124 PetriNetUnfolderBase]: 2/31 cut-off events. [2024-06-27 19:17:24,256 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-27 19:17:24,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 2/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 49 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-27 19:17:24,259 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 33 transitions, 80 flow [2024-06-27 19:17:24,262 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 29 transitions, 67 flow [2024-06-27 19:17:24,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 19:17:24,281 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;@f01c714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 19:17:24,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-27 19:17:24,285 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 19:17:24,285 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-27 19:17:24,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 19:17:24,285 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:17:24,286 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 19:17:24,287 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-27 19:17:24,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:17:24,291 INFO L85 PathProgramCache]: Analyzing trace with hash 288165145, now seen corresponding path program 1 times [2024-06-27 19:17:24,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:17:24,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047968262] [2024-06-27 19:17:24,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:17:24,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:17:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:17:24,534 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 19:17:24,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:17:24,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047968262] [2024-06-27 19:17:24,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047968262] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:17:24,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:17:24,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 19:17:24,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93574416] [2024-06-27 19:17:24,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:17:24,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 19:17:24,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:17:24,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 19:17:24,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 19:17:24,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 33 [2024-06-27 19:17:24,586 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 19:17:24,586 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:17:24,586 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 33 [2024-06-27 19:17:24,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:17:24,673 INFO L124 PetriNetUnfolderBase]: 131/247 cut-off events. [2024-06-27 19:17:24,675 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-06-27 19:17:24,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 247 events. 131/247 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 885 event pairs, 58 based on Foata normal form. 20/258 useless extension candidates. Maximal degree in co-relation 465. Up to 170 conditions per place. [2024-06-27 19:17:24,679 INFO L140 encePairwiseOnDemand]: 27/33 looper letters, 19 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2024-06-27 19:17:24,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 111 flow [2024-06-27 19:17:24,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 19:17:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 19:17:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 53 transitions. [2024-06-27 19:17:24,688 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5353535353535354 [2024-06-27 19:17:24,690 INFO L175 Difference]: Start difference. First operand has 34 places, 29 transitions, 67 flow. Second operand 3 states and 53 transitions. [2024-06-27 19:17:24,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 111 flow [2024-06-27 19:17:24,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 29 transitions, 106 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 19:17:24,694 INFO L231 Difference]: Finished difference. Result has 31 places, 24 transitions, 61 flow [2024-06-27 19:17:24,695 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=31, PETRI_TRANSITIONS=24} [2024-06-27 19:17:24,699 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -3 predicate places. [2024-06-27 19:17:24,700 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 24 transitions, 61 flow [2024-06-27 19:17:24,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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 19:17:24,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 19:17:24,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 19:17:24,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 19:17:24,701 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-27 19:17:24,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 19:17:24,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1476612487, now seen corresponding path program 1 times [2024-06-27 19:17:24,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 19:17:24,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083071986] [2024-06-27 19:17:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 19:17:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 19:17:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 19:17:24,853 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 19:17:24,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 19:17:24,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083071986] [2024-06-27 19:17:24,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083071986] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 19:17:24,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 19:17:24,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 19:17:24,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766688133] [2024-06-27 19:17:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 19:17:24,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 19:17:24,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 19:17:24,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 19:17:24,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 19:17:24,869 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-06-27 19:17:24,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 24 transitions, 61 flow. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 19:17:24,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 19:17:24,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-06-27 19:17:24,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 19:17:24,954 INFO L124 PetriNetUnfolderBase]: 95/196 cut-off events. [2024-06-27 19:17:24,954 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-06-27 19:17:24,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 196 events. 95/196 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 685 event pairs, 37 based on Foata normal form. 36/224 useless extension candidates. Maximal degree in co-relation 164. Up to 115 conditions per place. [2024-06-27 19:17:24,957 INFO L140 encePairwiseOnDemand]: 28/33 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2024-06-27 19:17:24,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 29 transitions, 115 flow [2024-06-27 19:17:24,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 19:17:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 19:17:24,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2024-06-27 19:17:24,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4393939393939394 [2024-06-27 19:17:24,961 INFO L175 Difference]: Start difference. First operand has 31 places, 24 transitions, 61 flow. Second operand 4 states and 58 transitions. [2024-06-27 19:17:24,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 29 transitions, 115 flow [2024-06-27 19:17:24,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 29 transitions, 111 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 19:17:24,966 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2024-06-27 19:17:24,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2024-06-27 19:17:24,966 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -4 predicate places. [2024-06-27 19:17:24,967 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2024-06-27 19:17:24,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 19:17:24,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-27 19:17:24,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-27 19:17:24,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-27 19:17:24,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-27 19:17:24,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 19:17:24,975 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-27 19:17:24,978 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-27 19:17:24,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-27 19:17:24,985 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-27 19:17:24,985 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-27 19:17:24,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.06 07:17:24 BasicIcfg [2024-06-27 19:17:24,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-27 19:17:24,987 INFO L158 Benchmark]: Toolchain (without parser) took 1962.18ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 77.1MB in the end (delta: -2.1MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,988 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 101.5MB in the beginning and 101.5MB in the end (delta: 24.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:17:24,988 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 136.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-27 19:17:24,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.35ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 125.2MB in the end (delta: -50.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.12ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 122.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,992 INFO L158 Benchmark]: Boogie Preprocessor took 68.94ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,992 INFO L158 Benchmark]: RCFGBuilder took 412.12ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 86.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,992 INFO L158 Benchmark]: TraceAbstraction took 863.90ms. Allocated memory is still 176.2MB. Free memory was 85.8MB in the beginning and 77.1MB in the end (delta: 8.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-06-27 19:17:24,996 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 136.3MB. Free memory was 101.5MB in the beginning and 101.5MB in the end (delta: 24.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 136.3MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.35ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 75.0MB in the beginning and 125.2MB in the end (delta: -50.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.12ms. Allocated memory is still 176.2MB. Free memory was 125.2MB in the beginning and 122.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.94ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 120.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.12ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 86.6MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 863.90ms. Allocated memory is still 176.2MB. Free memory was 85.8MB in the beginning and 77.1MB in the end (delta: 8.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 961]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 962]: 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 5 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 5 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-27 19:17:25,023 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