./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/mutex-meet-nonrel/sync01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.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/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-2520d7c-m [2024-07-17 19:44:14,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 19:44:14,811 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 19:44:14,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 19:44:14,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 19:44:14,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 19:44:14,838 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 19:44:14,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 19:44:14,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 19:44:14,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 19:44:14,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 19:44:14,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 19:44:14,843 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 19:44:14,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 19:44:14,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 19:44:14,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 19:44:14,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 19:44:14,845 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 19:44:14,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 19:44:14,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 19:44:14,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 19:44:14,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 19:44:14,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 19:44:14,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 19:44:14,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 19:44:14,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 19:44:14,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 19:44:14,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 19:44:14,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 19:44:14,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 19:44:14,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 19:44:14,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 19:44:14,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 19:44:14,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 19:44:14,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 19:44:14,849 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 19:44:14,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 19:44:14,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 19:44:14,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 19:44:14,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 19:44:14,850 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 19:44:14,851 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 19:44:14,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-17 19:44:15,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 19:44:15,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 19:44:15,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 19:44:15,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 19:44:15,112 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 19:44:15,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-07-17 19:44:16,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 19:44:16,250 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 19:44:16,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-07-17 19:44:16,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ead872fec/8d17cd6612f342ab83c1fa75e909804c/FLAGa510119c8 [2024-07-17 19:44:16,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ead872fec/8d17cd6612f342ab83c1fa75e909804c [2024-07-17 19:44:16,284 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-17 19:44:16,284 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-17 19:44:16,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/sync01.yml/witness.yml [2024-07-17 19:44:16,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 19:44:16,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 19:44:16,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 19:44:16,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 19:44:16,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 19:44:16,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 07:44:16" (1/2) ... [2024-07-17 19:44:16,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d3f22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:44:16, skipping insertion in model container [2024-07-17 19:44:16,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 07:44:16" (1/2) ... [2024-07-17 19:44:16,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4df7879d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 07:44:16, skipping insertion in model container [2024-07-17 19:44:16,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:44:16" (2/2) ... [2024-07-17 19:44:16,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d3f22b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16, skipping insertion in model container [2024-07-17 19:44:16,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:44:16" (2/2) ... [2024-07-17 19:44:16,391 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-17 19:44:16,426 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-17 19:44:16,427 INFO L97 edCorrectnessWitness]: Location invariant before [L961-L961] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-07-17 19:44:16,427 INFO L97 edCorrectnessWitness]: Location invariant before [L962-L962] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (m_locked || (0 <= num && num <= 1))) [2024-07-17 19:44:16,428 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-17 19:44:16,428 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-17 19:44:16,428 INFO L106 edCorrectnessWitness]: ghost_update [L945-L945] m_locked = 1; [2024-07-17 19:44:16,428 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 0; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 1; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 1; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 0; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L960-L960] multithreaded = 1; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L935-L935] m_locked = 1; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L939-L939] m_locked = 0; [2024-07-17 19:44:16,429 INFO L106 edCorrectnessWitness]: ghost_update [L949-L949] m_locked = 0; [2024-07-17 19:44:16,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 19:44:16,803 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 19:44:16,814 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 [2024-07-17 19:44:16,890 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 19:44:16,949 INFO L206 MainTranslator]: Completed translation [2024-07-17 19:44:16,950 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16 WrapperNode [2024-07-17 19:44:16,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 19:44:16,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 19:44:16,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 19:44:16,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 19:44:16,957 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 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:16,976 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 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:16,995 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-07-17 19:44:16,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 19:44:16,996 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 19:44:16,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 19:44:16,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 19:44:17,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,024 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 19:44:17,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 19:44:17,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 19:44:17,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 19:44:17,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (1/1) ... [2024-07-17 19:44:17,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 19:44:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 19:44:17,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-17 19:44:17,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-17 19:44:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-17 19:44:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 19:44:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 19:44:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 19:44:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 19:44:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-17 19:44:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 19:44:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 19:44:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 19:44:17,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 19:44:17,098 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 19:44:17,236 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 19:44:17,238 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 19:44:17,372 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 19:44:17,372 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 19:44:17,488 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 19:44:17,488 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-07-17 19:44:17,488 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:44:17 BoogieIcfgContainer [2024-07-17 19:44:17,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 19:44:17,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 19:44:17,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 19:44:17,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 19:44:17,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 07:44:16" (1/4) ... [2024-07-17 19:44:17,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac522e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 07:44:17, skipping insertion in model container [2024-07-17 19:44:17,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.07 07:44:16" (2/4) ... [2024-07-17 19:44:17,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac522e9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 07:44:17, skipping insertion in model container [2024-07-17 19:44:17,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.07 07:44:16" (3/4) ... [2024-07-17 19:44:17,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac522e9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 17.07 07:44:17, skipping insertion in model container [2024-07-17 19:44:17,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:44:17" (4/4) ... [2024-07-17 19:44:17,497 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-07-17 19:44:17,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 19:44:17,511 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-17 19:44:17,511 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 19:44:17,553 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-17 19:44:17,596 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 19:44:17,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 19:44:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 19:44:17,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-17 19:44:17,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-17 19:44:17,624 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 19:44:17,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 19:44:17,642 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=PARTIAL_ORDER_FA, 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;@a2438ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 19:44:17,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 19:44:17,751 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)] === [2024-07-17 19:44:17,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 19:44:17,757 INFO L85 PathProgramCache]: Analyzing trace with hash -893785989, now seen corresponding path program 1 times [2024-07-17 19:44:17,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 19:44:17,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478599623] [2024-07-17 19:44:17,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 19:44:17,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 19:44:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 19:44:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 19:44:17,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 19:44:17,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478599623] [2024-07-17 19:44:18,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478599623] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 19:44:18,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 19:44:18,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-17 19:44:18,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161584276] [2024-07-17 19:44:18,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 19:44:18,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-17 19:44:18,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 19:44:18,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-17 19:44:18,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-17 19:44:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 19:44:18,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 19:44:18,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-07-17 19:44:18,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 19:44:18,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-17 19:44:18,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-17 19:44:18,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-17 19:44:18,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 19:44:18,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 19:44:18,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 19:44:18,310 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-17 19:44:18,312 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 19:44:18,312 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 19:44:18,314 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-17 19:44:18,314 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-17 19:44:18,315 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 07:44:18 BasicIcfg [2024-07-17 19:44:18,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 19:44:18,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 19:44:18,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 19:44:18,316 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 19:44:18,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 07:44:17" (4/5) ... [2024-07-17 19:44:18,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 19:44:18,321 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 19:44:18,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 19:44:18,328 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2024-07-17 19:44:18,329 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-07-17 19:44:18,329 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-07-17 19:44:18,331 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-07-17 19:44:18,332 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-07-17 19:44:18,374 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/sync01.i-witness.graphml [2024-07-17 19:44:18,374 INFO L149 WitnessManager]: Wrote witness to /storage/repos/sv-benchmarks/c/pthread/sync01.i-witness.yml [2024-07-17 19:44:18,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 19:44:18,375 INFO L158 Benchmark]: Toolchain (without parser) took 1991.87ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 119.7MB in the end (delta: 17.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,375 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:44:18,376 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:44:18,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.89ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 100.8MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.93ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,377 INFO L158 Benchmark]: Boogie Preprocessor took 32.84ms. Allocated memory is still 178.3MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 19:44:18,377 INFO L158 Benchmark]: RCFGBuilder took 459.45ms. Allocated memory is still 178.3MB. Free memory was 96.6MB in the beginning and 117.7MB in the end (delta: -21.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,377 INFO L158 Benchmark]: TraceAbstraction took 825.86ms. Allocated memory is still 178.3MB. Free memory was 116.4MB in the beginning and 122.8MB in the end (delta: -6.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,377 INFO L158 Benchmark]: Witness Printer took 58.56ms. Allocated memory is still 178.3MB. Free memory was 122.8MB in the beginning and 119.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 19:44:18,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 178.3MB. Free memory is still 141.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.89ms. Allocated memory is still 178.3MB. Free memory was 137.4MB in the beginning and 100.8MB in the end (delta: 36.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.93ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.84ms. Allocated memory is still 178.3MB. Free memory was 98.1MB in the beginning and 96.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.45ms. Allocated memory is still 178.3MB. Free memory was 96.6MB in the beginning and 117.7MB in the end (delta: -21.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 825.86ms. Allocated memory is still 178.3MB. Free memory was 116.4MB in the beginning and 122.8MB in the end (delta: -6.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Witness Printer took 58.56ms. Allocated memory is still 178.3MB. Free memory was 122.8MB in the beginning and 119.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 62, dependent conditional: 43, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 663, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 663, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 17, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 367, independent: 345, independent conditional: 1, independent unconditional: 344, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 367, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 113, independent conditional: 2, independent unconditional: 111, dependent: 85, dependent conditional: 4, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 688, independent: 281, independent conditional: 7, independent unconditional: 274, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 367, unknown conditional: 3, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 345, Positive conditional cache size: 1, Positive unconditional cache size: 344, Negative cache size: 22, Negative conditional cache size: 2, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 1, Independence queries for same thread: 25 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 87, Number of trivial persistent sets: 66, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 372, independent: 353, independent conditional: 0, independent unconditional: 353, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 62, dependent conditional: 43, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 663, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 663, independent: 626, independent conditional: 273, independent unconditional: 353, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 17, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 688, independent: 626, independent conditional: 8, independent unconditional: 618, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 367, independent: 345, independent conditional: 1, independent unconditional: 344, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 367, independent: 302, independent conditional: 0, independent unconditional: 302, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 65, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 65, independent: 43, independent conditional: 1, independent unconditional: 42, dependent: 22, dependent conditional: 2, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 113, independent conditional: 2, independent unconditional: 111, dependent: 85, dependent conditional: 4, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 688, independent: 281, independent conditional: 7, independent unconditional: 274, dependent: 40, dependent conditional: 2, dependent unconditional: 38, unknown: 367, unknown conditional: 3, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 367, Positive cache size: 345, Positive conditional cache size: 1, Positive unconditional cache size: 344, Negative cache size: 22, Negative conditional cache size: 2, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 13, Maximal queried relation: 1, Independence queries for same thread: 25 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2024-07-17 19:44:18,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 19:44:18,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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