./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.2024-08-08_07-59-58.files/protection-ghost/sync01.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee 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.2024-08-08_07-59-58.files/protection-ghost/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-c091e2e-m [2024-08-14 06:47:50,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 06:47:50,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 06:47:50,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 06:47:50,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 06:47:50,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 06:47:50,712 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 06:47:50,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 06:47:50,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 06:47:50,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 06:47:50,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 06:47:50,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 06:47:50,716 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 06:47:50,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 06:47:50,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 06:47:50,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 06:47:50,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 06:47:50,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 06:47:50,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 06:47:50,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 06:47:50,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 06:47:50,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 06:47:50,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 06:47:50,721 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 06:47:50,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 06:47:50,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 06:47:50,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 06:47:50,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 06:47:50,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 06:47:50,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 06:47:50,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:47:50,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 06:47:50,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 06:47:50,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 06:47:50,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 06:47:50,725 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 06:47:50,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 06:47:50,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 06:47:50,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 06:47:50,726 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 06:47:50,726 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 06:47:50,727 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 06:47:50,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 06:47:50,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 06:47:51,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 06:47:51,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 06:47:51,022 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 06:47:51,024 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 06:47:51,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/sync01.yml/witness.yml [2024-08-14 06:47:51,146 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 06:47:51,146 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 06:47:51,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2024-08-14 06:47:52,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 06:47:52,795 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 06:47:52,795 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2024-08-14 06:47:52,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f64c4f2a4/e000c2f4cb5f488a81db5611d59de8f0/FLAG29267f911 [2024-08-14 06:47:53,120 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f64c4f2a4/e000c2f4cb5f488a81db5611d59de8f0 [2024-08-14 06:47:53,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 06:47:53,122 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 06:47:53,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 06:47:53,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 06:47:53,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 06:47:53,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:47:51" (1/2) ... [2024-08-14 06:47:53,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130d3c58 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:47:53, skipping insertion in model container [2024-08-14 06:47:53,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:47:51" (1/2) ... [2024-08-14 06:47:53,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31997a1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:47:53, skipping insertion in model container [2024-08-14 06:47:53,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:47:53" (2/2) ... [2024-08-14 06:47:53,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130d3c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53, skipping insertion in model container [2024-08-14 06:47:53,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:47:53" (2/2) ... [2024-08-14 06:47:53,138 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 06:47:53,177 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 06:47:53,178 INFO L97 edCorrectnessWitness]: Location invariant before [L961-L961] ! multithreaded || (0 <= num && num <= 1) [2024-08-14 06:47:53,178 INFO L97 edCorrectnessWitness]: Location invariant before [L962-L962] ! multithreaded || (0 <= num && num <= 1) [2024-08-14 06:47:53,179 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-08-14 06:47:53,179 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 06:47:53,179 INFO L106 edCorrectnessWitness]: ghost_update [L949-L949] m_locked = 0; [2024-08-14 06:47:53,179 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 0; [2024-08-14 06:47:53,179 INFO L106 edCorrectnessWitness]: ghost_update [L937-L937] m_locked = 1; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L945-L945] m_locked = 1; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L960-L960] multithreaded = 1; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L939-L939] m_locked = 0; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 0; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L947-L947] m_locked = 1; [2024-08-14 06:47:53,180 INFO L106 edCorrectnessWitness]: ghost_update [L935-L935] m_locked = 1; [2024-08-14 06:47:53,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 06:47:53,698 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:47:53,725 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 [2024-08-14 06:47:53,841 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:47:53,895 INFO L206 MainTranslator]: Completed translation [2024-08-14 06:47:53,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53 WrapperNode [2024-08-14 06:47:53,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 06:47:53,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 06:47:53,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 06:47:53,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 06:47:53,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,944 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2024-08-14 06:47:53,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 06:47:53,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 06:47:53,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 06:47:53,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 06:47:53,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 06:47:53,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 06:47:53,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 06:47:53,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 06:47:53,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (1/1) ... [2024-08-14 06:47:53,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:47:53,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:47:54,007 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) [2024-08-14 06:47:54,009 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 [2024-08-14 06:47:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-14 06:47:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 06:47:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 06:47:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 06:47:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 06:47:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-14 06:47:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 06:47:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 06:47:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 06:47:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 06:47:54,036 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 06:47:54,169 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 06:47:54,171 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 06:47:54,366 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 06:47:54,366 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 06:47:54,573 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 06:47:54,573 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-14 06:47:54,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:47:54 BoogieIcfgContainer [2024-08-14 06:47:54,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 06:47:54,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 06:47:54,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 06:47:54,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 06:47:54,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:47:51" (1/4) ... [2024-08-14 06:47:54,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29392cff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 06:47:54, skipping insertion in model container [2024-08-14 06:47:54,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 06:47:53" (2/4) ... [2024-08-14 06:47:54,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29392cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 06:47:54, skipping insertion in model container [2024-08-14 06:47:54,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:47:53" (3/4) ... [2024-08-14 06:47:54,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29392cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 06:47:54, skipping insertion in model container [2024-08-14 06:47:54,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:47:54" (4/4) ... [2024-08-14 06:47:54,588 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i [2024-08-14 06:47:54,610 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 06:47:54,612 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 06:47:54,612 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 06:47:54,659 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 06:47:54,705 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:47:54,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 06:47:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:47:54,711 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) [2024-08-14 06:47:54,713 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 [2024-08-14 06:47:54,751 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 06:47:54,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 06:47:54,777 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;@6c229e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:47:54,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 06:47:54,879 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)] === [2024-08-14 06:47:54,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:47:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -893785989, now seen corresponding path program 1 times [2024-08-14 06:47:54,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:47:54,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984580571] [2024-08-14 06:47:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:47:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:47:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:47:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:47:55,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:47:55,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984580571] [2024-08-14 06:47:55,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984580571] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:47:55,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:47:55,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 06:47:55,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645058191] [2024-08-14 06:47:55,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:47:55,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 06:47:55,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:47:55,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 06:47:55,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 06:47:55,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:47:55,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:47:55,237 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) [2024-08-14 06:47:55,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:47:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:47:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 06:47:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 06:47:55,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-14 06:47:55,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 06:47:55,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 06:47:55,435 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 06:47:55,438 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 06:47:55,439 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 06:47:55,441 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-14 06:47:55,441 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-14 06:47:55,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 06:47:55 BasicIcfg [2024-08-14 06:47:55,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 06:47:55,442 INFO L158 Benchmark]: Toolchain (without parser) took 2320.77ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 76.8MB in the end (delta: 27.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,442 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:47:55,443 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 98.6MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:47:55,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.62ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 112.6MB in the end (delta: -9.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.97ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,444 INFO L158 Benchmark]: Boogie Preprocessor took 30.77ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,444 INFO L158 Benchmark]: RCFGBuilder took 597.29ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 127.2MB in the end (delta: -18.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,444 INFO L158 Benchmark]: TraceAbstraction took 864.03ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 76.8MB in the end (delta: 50.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-08-14 06:47:55,449 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.75ms. Allocated memory is still 98.6MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.62ms. Allocated memory is still 167.8MB. Free memory was 103.3MB in the beginning and 112.6MB in the end (delta: -9.2MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.97ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 110.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.77ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 109.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.29ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 127.2MB in the end (delta: -18.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * TraceAbstraction took 864.03ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 76.8MB in the end (delta: 50.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 678, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 58, dependent conditional: 40, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 33, dependent conditional: 15, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 653, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 33, dependent conditional: 15, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 14, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 369, independent: 348, independent conditional: 1, independent unconditional: 347, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 369, independent: 332, independent conditional: 0, independent unconditional: 332, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 56, independent conditional: 2, independent unconditional: 54, dependent: 51, dependent conditional: 8, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 675, independent: 272, independent conditional: 7, independent unconditional: 265, dependent: 34, dependent conditional: 2, dependent unconditional: 32, unknown: 369, unknown conditional: 3, unknown unconditional: 366] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 348, Positive conditional cache size: 1, Positive unconditional cache size: 347, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 1, Independence queries for same thread: 25 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 86, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 374, independent: 356, independent conditional: 0, independent unconditional: 356, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 678, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 58, dependent conditional: 40, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 33, dependent conditional: 15, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 653, independent: 620, independent conditional: 264, independent unconditional: 356, dependent: 33, dependent conditional: 15, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 14, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 675, independent: 620, independent conditional: 8, independent unconditional: 612, dependent: 55, dependent conditional: 4, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 369, independent: 348, independent conditional: 1, independent unconditional: 347, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 369, independent: 332, independent conditional: 0, independent unconditional: 332, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 16, independent conditional: 1, independent unconditional: 15, dependent: 21, dependent conditional: 2, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 56, independent conditional: 2, independent unconditional: 54, dependent: 51, dependent conditional: 8, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 675, independent: 272, independent conditional: 7, independent unconditional: 265, dependent: 34, dependent conditional: 2, dependent unconditional: 32, unknown: 369, unknown conditional: 3, unknown unconditional: 366] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 348, Positive conditional cache size: 1, Positive unconditional cache size: 347, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, 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: 0.3s, 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, 0.2s 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! [2024-08-14 06:47:55,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 06:47:55,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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