./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/stateful01-1.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/stateful01-1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/stateful01-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-28 02:47:59,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-28 02:47:59,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-28 02:47:59,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-28 02:47:59,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-28 02:47:59,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-28 02:47:59,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-28 02:47:59,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-28 02:47:59,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-28 02:47:59,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-28 02:47:59,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-28 02:47:59,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-28 02:47:59,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-28 02:47:59,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-28 02:47:59,235 INFO L153 SettingsManager]: * Use SBE=true [2024-06-28 02:47:59,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-28 02:47:59,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-28 02:47:59,237 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-28 02:47:59,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-28 02:47:59,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-28 02:47:59,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-28 02:47:59,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-28 02:47:59,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-28 02:47:59,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-28 02:47:59,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-28 02:47:59,239 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-28 02:47:59,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-28 02:47:59,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-28 02:47:59,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-28 02:47:59,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-28 02:47:59,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-28 02:47:59,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-28 02:47:59,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:47:59,241 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-28 02:47:59,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-28 02:47:59,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-28 02:47:59,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-28 02:47:59,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-28 02:47:59,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-28 02:47:59,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-28 02:47:59,243 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-28 02:47:59,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-28 02:47:59,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-28 02:47:59,244 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-28 02:47:59,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-28 02:47:59,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-28 02:47:59,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-28 02:47:59,541 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-28 02:47:59,542 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-28 02:47:59,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/stateful01-1.yml/witness.yml [2024-06-28 02:47:59,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-28 02:47:59,643 INFO L274 PluginConnector]: CDTParser initialized [2024-06-28 02:47:59,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2024-06-28 02:48:00,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-28 02:48:01,038 INFO L384 CDTParser]: Found 1 translation units. [2024-06-28 02:48:01,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2024-06-28 02:48:01,059 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e8b740e/91799c43e06648f5b4010f1d74093b61/FLAG89bb998a0 [2024-06-28 02:48:01,071 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e8b740e/91799c43e06648f5b4010f1d74093b61 [2024-06-28 02:48:01,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-28 02:48:01,073 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-28 02:48:01,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-28 02:48:01,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-28 02:48:01,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-28 02:48:01,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:47:59" (1/2) ... [2024-06-28 02:48:01,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161a9a5f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:48:01, skipping insertion in model container [2024-06-28 02:48:01,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:47:59" (1/2) ... [2024-06-28 02:48:01,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34f027dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 28.06 02:48:01, skipping insertion in model container [2024-06-28 02:48:01,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:48:01" (2/2) ... [2024-06-28 02:48:01,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161a9a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01, skipping insertion in model container [2024-06-28 02:48:01,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.06 02:48:01" (2/2) ... [2024-06-28 02:48:01,083 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-28 02:48:01,123 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-28 02:48:01,124 INFO L97 edCorrectnessWitness]: Location invariant before [L723-L723] (! multithreaded || (ma_locked || 5 <= data1)) && (! multithreaded || 5 <= data1) [2024-06-28 02:48:01,125 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] (! multithreaded || (ma_locked || 5 <= data1)) && (! multithreaded || 5 <= data1) [2024-06-28 02:48:01,125 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-28 02:48:01,125 INFO L103 edCorrectnessWitness]: ghost_variable ma_locked = 0 [2024-06-28 02:48:01,125 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] ma_locked = 0; [2024-06-28 02:48:01,125 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] ma_locked = 1; [2024-06-28 02:48:01,125 INFO L106 edCorrectnessWitness]: ghost_update [L721-L721] multithreaded = 1; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L699-L699] ma_locked = 1; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L701-L701] ma_locked = 0; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L711-L711] ma_locked = 0; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L706-L706] ma_locked = 1; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L709-L709] ma_locked = 1; [2024-06-28 02:48:01,126 INFO L106 edCorrectnessWitness]: ghost_update [L708-L708] ma_locked = 0; [2024-06-28 02:48:01,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-28 02:48:01,476 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:48:01,487 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-28 02:48:01,560 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-28 02:48:01,612 INFO L206 MainTranslator]: Completed translation [2024-06-28 02:48:01,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01 WrapperNode [2024-06-28 02:48:01,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-28 02:48:01,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-28 02:48:01,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-28 02:48:01,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-28 02:48:01,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,651 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,680 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-06-28 02:48:01,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-28 02:48:01,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-28 02:48:01,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-28 02:48:01,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-28 02:48:01,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,715 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-06-28 02:48:01,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-28 02:48:01,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-28 02:48:01,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-28 02:48:01,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-28 02:48:01,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (1/1) ... [2024-06-28 02:48:01,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-28 02:48:01,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-28 02:48:01,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-28 02:48:01,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-28 02:48:01,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-06-28 02:48:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-06-28 02:48:01,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-06-28 02:48:01,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-06-28 02:48:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-06-28 02:48:01,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-28 02:48:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-28 02:48:01,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-06-28 02:48:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-06-28 02:48:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-06-28 02:48:01,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-28 02:48:01,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-28 02:48:01,814 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-28 02:48:01,968 INFO L244 CfgBuilder]: Building ICFG [2024-06-28 02:48:01,970 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-28 02:48:02,168 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-28 02:48:02,168 INFO L293 CfgBuilder]: Performing block encoding [2024-06-28 02:48:02,299 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-28 02:48:02,299 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-28 02:48:02,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:48:02 BoogieIcfgContainer [2024-06-28 02:48:02,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-28 02:48:02,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-28 02:48:02,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-28 02:48:02,313 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-28 02:48:02,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 28.06 02:47:59" (1/4) ... [2024-06-28 02:48:02,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537fb3ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 28.06 02:48:02, skipping insertion in model container [2024-06-28 02:48:02,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.06 02:48:01" (2/4) ... [2024-06-28 02:48:02,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537fb3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:48:02, skipping insertion in model container [2024-06-28 02:48:02,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.06 02:48:01" (3/4) ... [2024-06-28 02:48:02,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537fb3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.06 02:48:02, skipping insertion in model container [2024-06-28 02:48:02,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.06 02:48:02" (4/4) ... [2024-06-28 02:48:02,316 INFO L112 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2024-06-28 02:48:02,338 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-28 02:48:02,338 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-06-28 02:48:02,339 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-28 02:48:02,379 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-06-28 02:48:02,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 33 transitions, 80 flow [2024-06-28 02:48:02,429 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-06-28 02:48:02,429 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-06-28 02:48:02,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 31 events. 0/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-06-28 02:48:02,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 33 transitions, 80 flow [2024-06-28 02:48:02,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 60 flow [2024-06-28 02:48:02,442 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-28 02:48:02,448 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34098f7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-28 02:48:02,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-06-28 02:48:02,452 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-28 02:48:02,452 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-28 02:48:02,452 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-28 02:48:02,453 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-28 02:48:02,453 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-28 02:48:02,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-06-28 02:48:02,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-28 02:48:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash 243726715, now seen corresponding path program 1 times [2024-06-28 02:48:02,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-28 02:48:02,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831743629] [2024-06-28 02:48:02,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-28 02:48:02,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-28 02:48:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-28 02:48:02,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-28 02:48:02,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-28 02:48:02,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831743629] [2024-06-28 02:48:02,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831743629] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-28 02:48:02,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-28 02:48:02,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-28 02:48:02,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146014776] [2024-06-28 02:48:02,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-28 02:48:02,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-28 02:48:02,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-28 02:48:02,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-28 02:48:02,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-28 02:48:02,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 33 [2024-06-28 02:48:02,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:48:02,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-28 02:48:02,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 33 [2024-06-28 02:48:02,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-28 02:48:02,969 INFO L124 PetriNetUnfolderBase]: 182/356 cut-off events. [2024-06-28 02:48:02,973 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-06-28 02:48:02,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 356 events. 182/356 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1335 event pairs, 182 based on Foata normal form. 64/416 useless extension candidates. Maximal degree in co-relation 702. Up to 335 conditions per place. [2024-06-28 02:48:02,979 INFO L140 encePairwiseOnDemand]: 30/33 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2024-06-28 02:48:02,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 25 transitions, 96 flow [2024-06-28 02:48:02,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-28 02:48:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-28 02:48:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-06-28 02:48:02,989 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46464646464646464 [2024-06-28 02:48:02,991 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 60 flow. Second operand 3 states and 46 transitions. [2024-06-28 02:48:02,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 25 transitions, 96 flow [2024-06-28 02:48:02,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 25 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-28 02:48:02,994 INFO L231 Difference]: Finished difference. Result has 32 places, 0 transitions, 0 flow [2024-06-28 02:48:02,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=33, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=32, PETRI_TRANSITIONS=0} [2024-06-28 02:48:02,999 INFO L281 CegarLoopForPetriNet]: 34 programPoint places, -2 predicate places. [2024-06-28 02:48:02,999 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 0 transitions, 0 flow [2024-06-28 02:48:02,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-28 02:48:03,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-06-28 02:48:03,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-06-28 02:48:03,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-06-28 02:48:03,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-06-28 02:48:03,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-28 02:48:03,002 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-06-28 02:48:03,005 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-06-28 02:48:03,006 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-06-28 02:48:03,010 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-06-28 02:48:03,010 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-06-28 02:48:03,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.06 02:48:03 BasicIcfg [2024-06-28 02:48:03,011 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-06-28 02:48:03,019 INFO L158 Benchmark]: Toolchain (without parser) took 1939.55ms. Allocated memory is still 169.9MB. Free memory was 137.9MB in the beginning and 109.1MB in the end (delta: 28.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-06-28 02:48:03,019 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 169.9MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:48:03,020 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 169.9MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:48:03,021 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.95ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 111.3MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-06-28 02:48:03,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.54ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:48:03,026 INFO L158 Benchmark]: Boogie Preprocessor took 45.11ms. Allocated memory is still 169.9MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-06-28 02:48:03,026 INFO L158 Benchmark]: RCFGBuilder took 578.64ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 76.4MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-06-28 02:48:03,026 INFO L158 Benchmark]: TraceAbstraction took 704.50ms. Allocated memory is still 169.9MB. Free memory was 75.7MB in the beginning and 109.1MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-06-28 02:48:03,035 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 0.22ms. Allocated memory is still 169.9MB. Free memory is still 143.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.37ms. Allocated memory is still 169.9MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.95ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 111.3MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.54ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.11ms. Allocated memory is still 169.9MB. Free memory was 109.3MB in the beginning and 107.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.64ms. Allocated memory is still 169.9MB. Free memory was 107.2MB in the beginning and 76.4MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 704.50ms. Allocated memory is still 169.9MB. Free memory was 75.7MB in the beginning and 109.1MB in the end (delta: -33.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 723]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 56 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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! [2024-06-28 02:48:03,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE