./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_47-refine-protected2_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/goblint-regression/13-privatized_47-refine-protected2_true.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_47-refine-protected2_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 17:34:25,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 17:34:25,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 17:34:25,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 17:34:25,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 17:34:25,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 17:34:25,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 17:34:25,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 17:34:25,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 17:34:25,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 17:34:25,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 17:34:25,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 17:34:25,648 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 17:34:25,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 17:34:25,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 17:34:25,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 17:34:25,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 17:34:25,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 17:34:25,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 17:34:25,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 17:34:25,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 17:34:25,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 17:34:25,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 17:34:25,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 17:34:25,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 17:34:25,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 17:34:25,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 17:34:25,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 17:34:25,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 17:34:25,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 17:34:25,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:34:25,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 17:34:25,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 17:34:25,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 17:34:25,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 17:34:25,654 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 17:34:25,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 17:34:25,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 17:34:25,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 17:34:25,655 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 17:34:25,655 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 17:34:25,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-22 17:34:25,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 17:34:25,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 17:34:25,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 17:34:25,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 17:34:25,932 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 17:34:25,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2024-09-22 17:34:27,301 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 17:34:27,534 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 17:34:27,535 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2024-09-22 17:34:27,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6e77ee16/2f36f97ddda74c7cb30b7b55845af32d/FLAG79f39c637 [2024-09-22 17:34:27,561 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c6e77ee16/2f36f97ddda74c7cb30b7b55845af32d [2024-09-22 17:34:27,563 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-22 17:34:27,564 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-22 17:34:27,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/13-privatized_47-refine-protected2_true.yml/witness.yml [2024-09-22 17:34:27,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 17:34:27,623 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-22 17:34:27,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 17:34:27,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 17:34:27,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 17:34:27,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:34:27" (1/2) ... [2024-09-22 17:34:27,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1670bbfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:34:27, skipping insertion in model container [2024-09-22 17:34:27,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 05:34:27" (1/2) ... [2024-09-22 17:34:27,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a897cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 05:34:27, skipping insertion in model container [2024-09-22 17:34:27,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:34:27" (2/2) ... [2024-09-22 17:34:27,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1670bbfc and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:27, skipping insertion in model container [2024-09-22 17:34:27,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:34:27" (2/2) ... [2024-09-22 17:34:27,667 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-22 17:34:27,667 INFO L1541 ArrayList]: Location invariant before [L692-L692] (! multithreaded || (g == 0 || g == 1)) && (! multithreaded || (A_locked || (g == 0 || g == 1))) [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_variable A_locked = 0 [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_update [L684-L684] A_locked = 1; [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_update [L691-L691] multithreaded = 1; [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_update [L697-L697] A_locked = 0; [2024-09-22 17:34:27,668 INFO L1541 ArrayList]: ghost_update [L686-L686] A_locked = 0; [2024-09-22 17:34:27,669 INFO L1541 ArrayList]: ghost_update [L692-L692] A_locked = 1; [2024-09-22 17:34:27,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 17:34:27,898 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2024-09-22 17:34:28,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:34:28,047 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-22 17:34:28,080 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-22 17:34:28,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 17:34:28,174 INFO L204 MainTranslator]: Completed translation [2024-09-22 17:34:28,175 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28 WrapperNode [2024-09-22 17:34:28,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 17:34:28,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 17:34:28,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 17:34:28,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 17:34:28,197 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 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,214 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 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,232 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-09-22 17:34:28,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 17:34:28,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 17:34:28,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 17:34:28,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 17:34:28,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,252 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 17:34:28,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 17:34:28,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 17:34:28,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 17:34:28,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (1/1) ... [2024-09-22 17:34:28,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 17:34:28,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:34:28,292 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) [2024-09-22 17:34:28,298 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 [2024-09-22 17:34:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-22 17:34:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 17:34:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-09-22 17:34:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-09-22 17:34:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 17:34:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-22 17:34:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 17:34:28,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 17:34:28,343 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 17:34:28,477 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 17:34:28,479 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 17:34:28,638 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 17:34:28,639 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 17:34:28,744 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 17:34:28,744 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-22 17:34:28,744 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:34:28 BoogieIcfgContainer [2024-09-22 17:34:28,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 17:34:28,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 17:34:28,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 17:34:28,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 17:34:28,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 05:34:27" (1/4) ... [2024-09-22 17:34:28,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c077b5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 05:34:28, skipping insertion in model container [2024-09-22 17:34:28,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.09 05:34:27" (2/4) ... [2024-09-22 17:34:28,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c077b5c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:34:28, skipping insertion in model container [2024-09-22 17:34:28,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.09 05:34:28" (3/4) ... [2024-09-22 17:34:28,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c077b5c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.09 05:34:28, skipping insertion in model container [2024-09-22 17:34:28,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 05:34:28" (4/4) ... [2024-09-22 17:34:28,754 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2024-09-22 17:34:28,769 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 17:34:28,769 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-09-22 17:34:28,770 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 17:34:28,796 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-22 17:34:28,841 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:34:28,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 17:34:28,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 17:34:28,843 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) [2024-09-22 17:34:28,845 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 [2024-09-22 17:34:28,881 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 17:34:28,894 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 17:34:28,901 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@c6164a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 17:34:28,902 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-22 17:34:28,995 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:34:29,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:29,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1224219988, now seen corresponding path program 1 times [2024-09-22 17:34:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:29,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565615247] [2024-09-22 17:34:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:29,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:34:29,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:29,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565615247] [2024-09-22 17:34:29,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565615247] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:29,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:29,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 17:34:29,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545318914] [2024-09-22 17:34:29,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:29,259 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:34:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:29,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:34:29,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:34:29,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,288 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:29,289 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-09-22 17:34:29,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,317 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 17:34:29,317 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:34:29,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:29,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1826593322, now seen corresponding path program 1 times [2024-09-22 17:34:29,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:29,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016841906] [2024-09-22 17:34:29,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:29,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:34:29,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:29,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016841906] [2024-09-22 17:34:29,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016841906] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:29,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:29,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-22 17:34:29,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837727207] [2024-09-22 17:34:29,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:29,476 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:34:29,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:29,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:34:29,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:34:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,481 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:29,482 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-09-22 17:34:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,551 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 17:34:29,551 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-09-22 17:34:29,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 17:34:29,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1571987566, now seen corresponding path program 1 times [2024-09-22 17:34:29,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 17:34:29,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120266613] [2024-09-22 17:34:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 17:34:29,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 17:34:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 17:34:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 17:34:29,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 17:34:29,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120266613] [2024-09-22 17:34:29,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120266613] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 17:34:29,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 17:34:29,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-22 17:34:29,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957451054] [2024-09-22 17:34:29,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 17:34:29,654 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 17:34:29,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 17:34:29,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 17:34:29,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 17:34:29,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,656 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 17:34:29,656 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-09-22 17:34:29,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 17:34:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 17:34:29,770 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-22 17:34:29,771 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-09-22 17:34:29,773 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-09-22 17:34:29,773 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-09-22 17:34:29,774 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-22 17:34:29,782 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-09-22 17:34:29,785 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-22 17:34:29,785 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-22 17:34:29,788 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-22 17:34:29,788 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-22 17:34:29,789 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 05:34:29 BasicIcfg [2024-09-22 17:34:29,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-22 17:34:29,790 INFO L158 Benchmark]: Toolchain (without parser) took 2166.44ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 88.2MB in the beginning and 156.9MB in the end (delta: -68.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:29,790 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 144.7MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:29,790 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 144.7MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:29,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.05ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 116.2MB in the end (delta: -28.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-09-22 17:34:29,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.10ms. Allocated memory is still 144.7MB. Free memory was 115.9MB in the beginning and 114.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 17:34:29,792 INFO L158 Benchmark]: Boogie Preprocessor took 20.23ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:29,792 INFO L158 Benchmark]: RCFGBuilder took 490.17ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 92.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-22 17:34:29,793 INFO L158 Benchmark]: TraceAbstraction took 1043.19ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 91.7MB in the beginning and 156.9MB in the end (delta: -65.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 17:34:29,795 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 144.7MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 144.7MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.05ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 116.2MB in the end (delta: -28.3MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.10ms. Allocated memory is still 144.7MB. Free memory was 115.9MB in the beginning and 114.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.23ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 112.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.17ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 92.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1043.19ms. Allocated memory was 144.7MB in the beginning and 199.2MB in the end (delta: 54.5MB). Free memory was 91.7MB in the beginning and 156.9MB in the end (delta: -65.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 203, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 30, dependent conditional: 23, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 11, dependent conditional: 4, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 184, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 11, dependent conditional: 4, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 15, dependent conditional: 1, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 15, dependent conditional: 1, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 134, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 36, dependent conditional: 7, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 134, unknown conditional: 1, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 134, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 1, Independence queries for same thread: 19, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 132, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 203, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 30, dependent conditional: 23, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 184, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 11, dependent conditional: 4, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 184, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 11, dependent conditional: 4, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 188, independent: 173, independent conditional: 48, independent unconditional: 125, dependent: 15, dependent conditional: 8, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 188, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 15, dependent conditional: 1, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 188, independent: 173, independent conditional: 0, independent unconditional: 173, dependent: 15, dependent conditional: 1, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 134, independent: 112, independent conditional: 0, independent unconditional: 112, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 22, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 22, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 36, dependent conditional: 7, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 188, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 134, unknown conditional: 1, unknown unconditional: 133] , Statistics on independence cache: Total cache size (in pairs): 134, Positive cache size: 126, Positive conditional cache size: 0, Positive unconditional cache size: 126, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 1, Independence queries for same thread: 19 - PositiveResult [Line: 692]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, 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: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-09-22 17:34:29,835 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 [2024-09-22 17:34:30,035 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