./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:46:04,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:46:04,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-17 22:46:04,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:46:04,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:46:04,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:46:04,199 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:46:04,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:46:04,201 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:46:04,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:46:04,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:46:04,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:46:04,204 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:46:04,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:46:04,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:46:04,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:46:04,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:46:04,207 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:46:04,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:46:04,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:46:04,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:46:04,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:46:04,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:46:04,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:46:04,222 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:46:04,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:46:04,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:46:04,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:46:04,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:46:04,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:46:04,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:46:04,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:46:04,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:46:04,227 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-17 22:46:04,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:46:04,227 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:46:04,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:46:04,227 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:46:04,228 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:46:04,228 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:46:04,228 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 [2023-11-17 22:46:04,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:46:04,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:46:04,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:46:04,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:46:04,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:46:04,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-17 22:46:07,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:46:07,707 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-17 22:46:07,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:46:08,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-17 22:46:08,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/data/a2e10d7f8/94fdc668935b45819896477e366c2a18/FLAG9e6ec5af2 [2023-11-17 22:46:08,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/data/a2e10d7f8/94fdc668935b45819896477e366c2a18 [2023-11-17 22:46:08,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:46:08,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:46:08,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:46:08,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:46:08,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:46:08,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612038d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08, skipping insertion in model container [2023-11-17 22:46:08,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:46:08,522 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-11-17 22:46:08,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:46:08,574 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:46:08,640 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189] [2023-11-17 22:46:08,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:46:08,719 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:46:08,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08 WrapperNode [2023-11-17 22:46:08,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:46:08,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:46:08,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:46:08,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:46:08,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,791 INFO L138 Inliner]: procedures = 170, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-11-17 22:46:08,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:46:08,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:46:08,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:46:08,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:46:08,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:46:08,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:46:08,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:46:08,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:46:08,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (1/1) ... [2023-11-17 22:46:08,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:46:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:46:08,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:46:08,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:46:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:46:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:46:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 22:46:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:46:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:46:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-17 22:46:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-17 22:46:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:46:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:46:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:46:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:46:08,960 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:46:09,116 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:46:09,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:46:09,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:46:09,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:46:09,395 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-17 22:46:09,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:09 BoogieIcfgContainer [2023-11-17 22:46:09,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:46:09,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:46:09,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:46:09,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:46:09,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:46:08" (1/3) ... [2023-11-17 22:46:09,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1378d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:46:09, skipping insertion in model container [2023-11-17 22:46:09,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:46:08" (2/3) ... [2023-11-17 22:46:09,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d1378d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:46:09, skipping insertion in model container [2023-11-17 22:46:09,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:09" (3/3) ... [2023-11-17 22:46:09,413 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-11-17 22:46:09,425 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:46:09,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:46:09,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 22:46:09,437 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:46:09,533 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 22:46:09,575 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:46:09,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:46:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:46:09,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:46:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:46:09,632 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:46:09,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 22:46:09,649 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=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@288c366d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:46:09,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-17 22:46:09,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 22:46:09,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:46:09,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1467062642, now seen corresponding path program 1 times [2023-11-17 22:46:09,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:46:09,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43778535] [2023-11-17 22:46:09,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:46:09,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:46:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:46:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:46:10,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:46:10,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43778535] [2023-11-17 22:46:10,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43778535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:46:10,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:46:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:46:10,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666073140] [2023-11-17 22:46:10,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:46:10,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:46:10,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:46:10,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:46:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:46:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:46:10,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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) [2023-11-17 22:46:10,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:46:10,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 22:46:10,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:46:10,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1655405707, now seen corresponding path program 1 times [2023-11-17 22:46:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:46:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433114281] [2023-11-17 22:46:10,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:46:10,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:46:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:46:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:46:10,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:46:10,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433114281] [2023-11-17 22:46:10,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433114281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:46:10,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:46:10,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 22:46:10,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526280971] [2023-11-17 22:46:10,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:46:10,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:46:10,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:46:10,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:46:10,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:46:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:46:10,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2023-11-17 22:46:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:10,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:46:10,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 22:46:10,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 22:46:10,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:46:10,731 INFO L85 PathProgramCache]: Analyzing trace with hash -913225276, now seen corresponding path program 1 times [2023-11-17 22:46:10,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:46:10,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76594442] [2023-11-17 22:46:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:46:10,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:46:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:46:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:46:11,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:46:11,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76594442] [2023-11-17 22:46:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76594442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:46:11,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:46:11,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 22:46:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700665212] [2023-11-17 22:46:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:46:11,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 22:46:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:46:11,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 22:46:11,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-17 22:46:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:11,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:46:11,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 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) [2023-11-17 22:46:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:46:11,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:46:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 22:46:11,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 22:46:11,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-17 22:46:11,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:46:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash -992143426, now seen corresponding path program 1 times [2023-11-17 22:46:11,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:46:11,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823251764] [2023-11-17 22:46:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:46:11,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:46:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:46:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:46:12,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:46:12,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823251764] [2023-11-17 22:46:12,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823251764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:46:12,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:46:12,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-11-17 22:46:12,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589609716] [2023-11-17 22:46:12,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:46:12,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-17 22:46:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:46:12,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-17 22:46:12,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2023-11-17 22:46:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:12,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:46:12,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.588235294117647) internal successors, (78), 17 states have internal predecessors, (78), 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) [2023-11-17 22:46:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:46:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 22:46:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:46:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:46:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 22:46:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-17 22:46:13,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-17 22:46:13,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-17 22:46:13,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 22:46:13,402 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-17 22:46:13,405 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 22:46:13,405 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 22:46:13,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 10:46:13 BasicIcfg [2023-11-17 22:46:13,409 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 22:46:13,411 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-17 22:46:13,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-17 22:46:13,411 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-17 22:46:13,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:46:09" (3/4) ... [2023-11-17 22:46:13,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-17 22:46:13,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-17 22:46:13,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-17 22:46:13,425 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-17 22:46:13,425 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-17 22:46:13,425 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-17 22:46:13,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/witness.graphml [2023-11-17 22:46:13,518 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/witness.yml [2023-11-17 22:46:13,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-17 22:46:13,519 INFO L158 Benchmark]: Toolchain (without parser) took 5451.13ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 123.0MB in the beginning and 114.2MB in the end (delta: 8.8MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,519 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:46:13,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.52ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 102.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.40ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 100.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,521 INFO L158 Benchmark]: Boogie Preprocessor took 64.05ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 99.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-17 22:46:13,521 INFO L158 Benchmark]: RCFGBuilder took 542.57ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 132.6MB in the end (delta: -33.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,522 INFO L158 Benchmark]: TraceAbstraction took 4007.55ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.0MB in the beginning and 118.4MB in the end (delta: 13.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,523 INFO L158 Benchmark]: Witness Printer took 107.60ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-17 22:46:13,525 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.52ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 102.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.40ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 100.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.05ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 99.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.57ms. Allocated memory is still 167.8MB. Free memory was 99.0MB in the beginning and 132.6MB in the end (delta: -33.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4007.55ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.0MB in the beginning and 118.4MB in the end (delta: 13.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 107.60ms. Allocated memory is still 201.3MB. Free memory was 118.4MB in the beginning and 114.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1837, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 98, dependent conditional: 80, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1761, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1761, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 7, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1307, independent: 1287, independent conditional: 3, independent unconditional: 1284, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1307, independent: 1272, independent conditional: 0, independent unconditional: 1272, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, independent: 100, independent conditional: 12, independent unconditional: 89, dependent: 67, dependent conditional: 8, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1773, independent: 452, independent conditional: 2, independent unconditional: 450, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 1307, unknown conditional: 5, unknown unconditional: 1302] , Statistics on independence cache: Total cache size (in pairs): 1307, Positive cache size: 1287, Positive conditional cache size: 3, Positive unconditional cache size: 1284, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 76 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 173, Number of trivial persistent sets: 155, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1510, independent: 1492, independent conditional: 0, independent unconditional: 1492, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1837, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 98, dependent conditional: 80, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1761, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1761, independent: 1739, independent conditional: 247, independent unconditional: 1492, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 7, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1773, independent: 1739, independent conditional: 5, independent unconditional: 1734, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1307, independent: 1287, independent conditional: 3, independent unconditional: 1284, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1307, independent: 1272, independent conditional: 0, independent unconditional: 1272, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 15, independent conditional: 3, independent unconditional: 12, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, independent: 100, independent conditional: 12, independent unconditional: 89, dependent: 67, dependent conditional: 8, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1773, independent: 452, independent conditional: 2, independent unconditional: 450, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 1307, unknown conditional: 5, unknown unconditional: 1302] , Statistics on independence cache: Total cache size (in pairs): 1307, Positive cache size: 1287, Positive conditional cache size: 3, Positive unconditional cache size: 1284, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 2, Independence queries for same thread: 76 - PositiveResult [Line: 691]: 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, 128 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.6s, 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: 40, 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, 1.8s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-17 22:46:13,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 22:46:13,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17a29c7-b9e3-4eee-a773-1d025dfbe181/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE