./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 --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/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/mutex-meet-nonrel/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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-28 00:50:25,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 00:50:25,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 00:50:25,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 00:50:25,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 00:50:25,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 00:50:25,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 00:50:25,068 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 00:50:25,068 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 00:50:25,071 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 00:50:25,071 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 00:50:25,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 00:50:25,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 00:50:25,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 00:50:25,074 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 00:50:25,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 00:50:25,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 00:50:25,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 00:50:25,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 00:50:25,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 00:50:25,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 00:50:25,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 00:50:25,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 00:50:25,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 00:50:25,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 00:50:25,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 00:50:25,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 00:50:25,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 00:50:25,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 00:50:25,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 00:50:25,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 00:50:25,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 00:50:25,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 00:50:25,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 00:50:25,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 00:50:25,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 00:50:25,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 00:50:25,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 00:50:25,080 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 00:50:25,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 00:50:25,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 00:50:25,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 00:50:25,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 00:50:25,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-28 00:50:25,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 00:50:25,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 00:50:25,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 00:50:25,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 00:50:25,326 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 00:50:25,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-06-28 00:50:26,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 00:50:26,495 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 00:50:26,495 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-06-28 00:50:26,518 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50bce200/fffbda176ac44f0e978f0667ef2e832d/FLAG2eec8a660 [2024-06-28 00:50:26,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b50bce200/fffbda176ac44f0e978f0667ef2e832d [2024-06-28 00:50:26,533 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 00:50:26,534 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 00:50:26,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/sync01.yml/witness.yml [2024-06-28 00:50:26,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 00:50:26,613 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 00:50:26,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 00:50:26,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 00:50:26,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 00:50:26,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 12:50:26" (1/2) ... [2024-06-28 00:50:26,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72480a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 12:50:26, skipping insertion in model container [2024-06-28 00:50:26,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 12:50:26" (1/2) ... [2024-06-28 00:50:26,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bf64de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 12:50:26, skipping insertion in model container [2024-06-28 00:50:26,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 12:50:26" (2/2) ... [2024-06-28 00:50:26,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72480a6e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:26, skipping insertion in model container [2024-06-28 00:50:26,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 12:50:26" (2/2) ... [2024-06-28 00:50:26,624 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 00:50:26,683 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 00:50:26,685 INFO L97 edCorrectnessWitness]: Location invariant before [L962-L962] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-06-28 00:50:26,685 INFO L97 edCorrectnessWitness]: Location invariant before [L961-L961] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-06-28 00:50:26,685 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 00:50:26,685 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-06-28 00:50:26,685 INFO L106 edCorrectnessWitness]: ghost_update [L935-L935] m_locked = 1; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L949-L949] m_locked = 0; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L939-L939] m_locked = 0; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 1; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 0; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L945-L945] m_locked = 1; [2024-06-28 00:50:26,686 INFO L106 edCorrectnessWitness]: ghost_update [L960-L960] multithreaded = 1; [2024-06-28 00:50:26,687 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 1; [2024-06-28 00:50:26,687 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 0; [2024-06-28 00:50:26,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 00:50:27,039 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-06-28 00:50:27,042 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 00:50:27,058 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 [2024-06-28 00:50:27,149 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017] [2024-06-28 00:50:27,150 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 00:50:27,205 INFO L206 MainTranslator]: Completed translation [2024-06-28 00:50:27,206 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27 WrapperNode [2024-06-28 00:50:27,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 00:50:27,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 00:50:27,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 00:50:27,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 00:50:27,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,260 INFO L138 Inliner]: procedures = 268, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2024-06-28 00:50:27,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 00:50:27,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 00:50:27,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 00:50:27,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 00:50:27,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,293 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,313 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]. [2024-06-28 00:50:27,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 00:50:27,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 00:50:27,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 00:50:27,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 00:50:27,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (1/1) ... [2024-06-28 00:50:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 00:50:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 00:50:27,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-28 00:50:27,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-28 00:50:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 00:50:27,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-28 00:50:27,404 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-28 00:50:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 00:50:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 00:50:27,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 00:50:27,406 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 00:50:27,517 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 00:50:27,518 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 00:50:27,655 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 00:50:27,655 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 00:50:27,765 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 00:50:27,766 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-06-28 00:50:27,766 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 12:50:27 BoogieIcfgContainer [2024-06-28 00:50:27,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 00:50:27,780 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 00:50:27,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 00:50:27,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 00:50:27,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 12:50:26" (1/4) ... [2024-06-28 00:50:27,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df1bd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 12:50:27, skipping insertion in model container [2024-06-28 00:50:27,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 12:50:26" (2/4) ... [2024-06-28 00:50:27,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df1bd86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 12:50:27, skipping insertion in model container [2024-06-28 00:50:27,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 12:50:27" (3/4) ... [2024-06-28 00:50:27,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df1bd86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 12:50:27, skipping insertion in model container [2024-06-28 00:50:27,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 12:50:27" (4/4) ... [2024-06-28 00:50:27,785 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-06-28 00:50:27,798 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 00:50:27,799 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-28 00:50:27,799 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 00:50:27,837 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-28 00:50:27,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 88 flow [2024-06-28 00:50:27,881 INFO L124 PetriNetUnfolderBase]: 3/35 cut-off events. [2024-06-28 00:50:27,881 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-28 00:50:27,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 35 events. 3/35 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 54 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place. [2024-06-28 00:50:27,884 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 37 transitions, 88 flow [2024-06-28 00:50:27,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 32 transitions, 76 flow [2024-06-28 00:50:27,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 00:50:27,898 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;@4219df7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 00:50:27,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-06-28 00:50:27,905 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 00:50:27,906 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-28 00:50:27,906 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 00:50:27,907 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 00:50:27,907 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 00:50:27,908 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-06-28 00:50:27,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 00:50:27,915 INFO L85 PathProgramCache]: Analyzing trace with hash 277668751, now seen corresponding path program 1 times [2024-06-28 00:50:27,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 00:50:27,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747145478] [2024-06-28 00:50:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 00:50:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 00:50:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 00:50:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 00:50:28,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 00:50:28,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747145478] [2024-06-28 00:50:28,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747145478] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 00:50:28,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 00:50:28,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 00:50:28,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572008736] [2024-06-28 00:50:28,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 00:50:28,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 00:50:28,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 00:50:28,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 00:50:28,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 00:50:28,259 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2024-06-28 00:50:28,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 00:50:28,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 00:50:28,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2024-06-28 00:50:28,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 00:50:28,341 INFO L124 PetriNetUnfolderBase]: 131/250 cut-off events. [2024-06-28 00:50:28,341 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-06-28 00:50:28,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 250 events. 131/250 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 875 event pairs, 58 based on Foata normal form. 20/264 useless extension candidates. Maximal degree in co-relation 465. Up to 172 conditions per place. [2024-06-28 00:50:28,344 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 22 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2024-06-28 00:50:28,345 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 124 flow [2024-06-28 00:50:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 00:50:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 00:50:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-06-28 00:50:28,353 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5225225225225225 [2024-06-28 00:50:28,355 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 76 flow. Second operand 3 states and 58 transitions. [2024-06-28 00:50:28,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 124 flow [2024-06-28 00:50:28,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 32 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-28 00:50:28,358 INFO L231 Difference]: Finished difference. Result has 33 places, 28 transitions, 70 flow [2024-06-28 00:50:28,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=33, PETRI_TRANSITIONS=28} [2024-06-28 00:50:28,362 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -4 predicate places. [2024-06-28 00:50:28,362 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 28 transitions, 70 flow [2024-06-28 00:50:28,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 00:50:28,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 00:50:28,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-28 00:50:28,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 00:50:28,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-06-28 00:50:28,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 00:50:28,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1785327257, now seen corresponding path program 1 times [2024-06-28 00:50:28,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 00:50:28,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561932113] [2024-06-28 00:50:28,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 00:50:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 00:50:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 00:50:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 00:50:28,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 00:50:28,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561932113] [2024-06-28 00:50:28,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561932113] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 00:50:28,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 00:50:28,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-28 00:50:28,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33611031] [2024-06-28 00:50:28,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 00:50:28,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-28 00:50:28,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 00:50:28,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-28 00:50:28,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-28 00:50:28,483 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 37 [2024-06-28 00:50:28,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 00:50:28,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 00:50:28,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 37 [2024-06-28 00:50:28,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 00:50:28,552 INFO L124 PetriNetUnfolderBase]: 97/202 cut-off events. [2024-06-28 00:50:28,552 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-06-28 00:50:28,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 202 events. 97/202 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 697 event pairs, 37 based on Foata normal form. 37/234 useless extension candidates. Maximal degree in co-relation 159. Up to 121 conditions per place. [2024-06-28 00:50:28,554 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-06-28 00:50:28,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 124 flow [2024-06-28 00:50:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-28 00:50:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-28 00:50:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 65 transitions. [2024-06-28 00:50:28,556 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4391891891891892 [2024-06-28 00:50:28,556 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 70 flow. Second operand 4 states and 65 transitions. [2024-06-28 00:50:28,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 31 transitions, 124 flow [2024-06-28 00:50:28,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 120 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 00:50:28,557 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2024-06-28 00:50:28,557 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2024-06-28 00:50:28,558 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, -6 predicate places. [2024-06-28 00:50:28,558 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2024-06-28 00:50:28,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 00:50:28,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-06-28 00:50:28,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-06-28 00:50:28,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-06-28 00:50:28,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-06-28 00:50:28,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-06-28 00:50:28,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-28 00:50:28,561 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-06-28 00:50:28,564 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 00:50:28,564 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 00:50:28,567 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-28 00:50:28,567 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-28 00:50:28,568 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 12:50:28 BasicIcfg [2024-06-28 00:50:28,568 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 00:50:28,569 INFO L158 Benchmark]: Toolchain (without parser) took 1955.78ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 71.1MB in the beginning and 108.7MB in the end (delta: -37.7MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,569 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 00:50:28,569 INFO L158 Benchmark]: Witness Parser took 4.01ms. Allocated memory is still 146.8MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 00:50:28,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.81ms. Allocated memory is still 146.8MB. Free memory was 71.0MB in the beginning and 83.4MB in the end (delta: -12.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.83ms. Allocated memory is still 146.8MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,570 INFO L158 Benchmark]: Boogie Preprocessor took 81.45ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,571 INFO L158 Benchmark]: RCFGBuilder took 422.70ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 45.7MB in the end (delta: 32.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,571 INFO L158 Benchmark]: TraceAbstraction took 788.37ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 113.8MB in the beginning and 108.7MB in the end (delta: 5.0MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-06-28 00:50:28,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 4.01ms. Allocated memory is still 146.8MB. Free memory is still 75.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.81ms. Allocated memory is still 146.8MB. Free memory was 71.0MB in the beginning and 83.4MB in the end (delta: -12.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.83ms. Allocated memory is still 146.8MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.45ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 78.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 422.70ms. Allocated memory is still 146.8MB. Free memory was 78.6MB in the beginning and 45.7MB in the end (delta: 32.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 788.37ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 113.8MB in the beginning and 108.7MB in the end (delta: 5.0MB). Peak memory consumption was 57.2MB. 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 - PositiveResult [Line: 966]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 55 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 95 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=76occurred 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-06-28 00:50:28,594 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