./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:21,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:21,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:21,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:21,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:21,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:21,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:21,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:21,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:21,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:21,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:21,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:21,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:21,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:21,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:21,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:21,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:21,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:21,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:21,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:21,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:21,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:21,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:21,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:21,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:21,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:21,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:21,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:21,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:21,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:21,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:21,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:21,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:21,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:21,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:21,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:21,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:21,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:21,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:21,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:21,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:21,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:40:21,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:21,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:21,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:21,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:21,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:21,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:21,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:40:21,703 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:21,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:21,704 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:40:21,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:40:21,705 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:21,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:40:21,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:40:21,706 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:40:21,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:21,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:40:21,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:21,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:21,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:21,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:21,708 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:21,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:21,709 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:21,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:21,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:21,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:21,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:21,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:21,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:21,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:21,711 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:40:21,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:40:21,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:21,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:21,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:21,712 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2021-11-03 03:40:21,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:22,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:22,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:22,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:22,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:22,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-11-03 03:40:22,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/f7dfc779a/930bab3cde9441d3b60c73702aa514f7/FLAGc4ee71c05 [2021-11-03 03:40:23,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:23,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-11-03 03:40:23,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/f7dfc779a/930bab3cde9441d3b60c73702aa514f7/FLAGc4ee71c05 [2021-11-03 03:40:23,436 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/f7dfc779a/930bab3cde9441d3b60c73702aa514f7 [2021-11-03 03:40:23,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:23,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:23,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:23,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:23,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:23,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:23" (1/1) ... [2021-11-03 03:40:23,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c60899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:23, skipping insertion in model container [2021-11-03 03:40:23,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:23" (1/1) ... [2021-11-03 03:40:23,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:23,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:24,272 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:24,400 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:24,669 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,039 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,041 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,170 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,194 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,200 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:40:25,411 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 03:40:25,417 INFO L168 Benchmark]: Toolchain (without parser) took 1974.13 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 81.5 MB in the beginning and 117.0 MB in the end (delta: -35.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:25,419 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:40:25,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1969.54 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 80.9 MB in the beginning and 117.0 MB in the end (delta: -36.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:40:25,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 60.7 MB in the beginning and 60.7 MB in the end (delta: 21.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1969.54 ms. Allocated memory was 111.1 MB in the beginning and 157.3 MB in the end (delta: 46.1 MB). Free memory was 80.9 MB in the beginning and 117.0 MB in the end (delta: -36.1 MB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:40:27,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:40:27,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:40:27,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:40:27,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:40:27,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:40:27,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:40:27,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:40:27,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:40:27,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:40:27,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:40:27,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:40:27,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:40:27,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:40:27,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:40:27,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:40:27,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:40:27,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:40:27,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:40:27,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:40:27,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:40:27,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:40:27,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:40:27,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:40:27,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:40:27,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:40:27,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:40:27,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:40:27,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:40:27,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:40:27,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:40:27,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:40:27,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:40:27,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:40:27,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:40:27,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:40:27,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:40:27,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:40:27,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:40:27,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:40:27,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:40:27,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:40:27,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:40:27,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:40:27,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:40:27,892 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:40:27,892 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:40:27,892 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:40:27,892 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:40:27,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:40:27,893 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:40:27,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:40:27,895 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:40:27,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:40:27,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:40:27,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:40:27,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:40:27,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:40:27,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:40:27,897 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:40:27,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:27,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:40:27,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:40:27,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:40:27,898 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:40:27,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:40:27,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:40:27,899 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:40:27,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:40:27,899 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2021-11-03 03:40:28,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:40:28,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:40:28,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:40:28,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:40:28,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:40:28,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-11-03 03:40:28,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/fe5f60605/7c893cf3fdc64861804d1f7014c4345c/FLAGc7d6d6cf8 [2021-11-03 03:40:29,518 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:40:29,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-11-03 03:40:29,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/fe5f60605/7c893cf3fdc64861804d1f7014c4345c/FLAGc7d6d6cf8 [2021-11-03 03:40:29,806 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/data/fe5f60605/7c893cf3fdc64861804d1f7014c4345c [2021-11-03 03:40:29,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:40:29,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:40:29,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:29,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:40:29,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:40:29,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:29" (1/1) ... [2021-11-03 03:40:29,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520273e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:29, skipping insertion in model container [2021-11-03 03:40:29,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:40:29" (1/1) ... [2021-11-03 03:40:29,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:40:29,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:32,549 WARN L228 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_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-11-03 03:40:32,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:32,766 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:40:32,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:40:33,328 WARN L228 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_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-11-03 03:40:33,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:33,389 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:40:33,885 WARN L228 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_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2021-11-03 03:40:33,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:40:34,126 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:40:34,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34 WrapperNode [2021-11-03 03:40:34,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:40:34,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:34,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:40:34,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:40:34,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:34,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:40:35,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:40:35,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:40:35,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:40:35,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:35,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:36,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:36,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:40:36,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:40:36,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:40:36,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:40:36,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (1/1) ... [2021-11-03 03:40:36,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:40:36,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:40:36,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:40:36,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:40:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2021-11-03 03:40:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2021-11-03 03:40:36,430 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2021-11-03 03:40:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2021-11-03 03:40:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2021-11-03 03:40:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2021-11-03 03:40:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2021-11-03 03:40:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2021-11-03 03:40:36,431 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-03 03:40:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2021-11-03 03:40:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2021-11-03 03:40:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:40:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2021-11-03 03:40:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2021-11-03 03:40:36,432 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2021-11-03 03:40:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2021-11-03 03:40:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 03:40:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:40:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:40:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:40:36,433 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2021-11-03 03:40:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2021-11-03 03:40:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2021-11-03 03:40:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2021-11-03 03:40:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2021-11-03 03:40:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2021-11-03 03:40:36,434 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2021-11-03 03:40:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2021-11-03 03:40:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2021-11-03 03:40:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2021-11-03 03:40:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:40:36,435 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2021-11-03 03:40:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2021-11-03 03:40:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2021-11-03 03:40:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2021-11-03 03:40:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:40:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-03 03:40:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:40:36,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:40:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 03:40:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-03 03:40:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:40:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:40:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:40:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-03 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2021-11-03 03:40:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2021-11-03 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2021-11-03 03:40:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2021-11-03 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-03 03:40:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2021-11-03 03:40:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2021-11-03 03:40:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2021-11-03 03:40:36,440 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2021-11-03 03:40:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:40:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2021-11-03 03:40:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2021-11-03 03:40:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:40:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2021-11-03 03:40:36,441 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2021-11-03 03:40:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:40:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:40:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:40:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:40:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:40:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2021-11-03 03:40:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2021-11-03 03:40:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2021-11-03 03:40:36,442 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2021-11-03 03:40:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2021-11-03 03:40:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2021-11-03 03:40:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:40:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:40:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2021-11-03 03:40:36,443 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2021-11-03 03:40:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2021-11-03 03:40:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2021-11-03 03:40:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2021-11-03 03:40:36,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-03 03:40:36,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-03 03:44:02,840 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:44:02,840 INFO L299 CfgBuilder]: Removed 5224 assume(true) statements. [2021-11-03 03:44:02,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:02 BoogieIcfgContainer [2021-11-03 03:44:02,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:44:02,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:44:02,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:44:02,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:44:02,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:40:29" (1/3) ... [2021-11-03 03:44:02,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1625d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:02, skipping insertion in model container [2021-11-03 03:44:02,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:40:34" (2/3) ... [2021-11-03 03:44:02,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1625d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:02, skipping insertion in model container [2021-11-03 03:44:02,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:02" (3/3) ... [2021-11-03 03:44:02,856 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2021-11-03 03:44:02,861 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:44:02,861 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2021-11-03 03:44:02,938 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:44:02,944 INFO L339 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:44:02,945 INFO L340 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2021-11-03 03:44:03,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 5058 states, 4825 states have (on average 1.3819689119170984) internal successors, (6668), 4922 states have internal predecessors, (6668), 163 states have call successors, (163), 29 states have call predecessors, (163), 29 states have return successors, (163), 139 states have call predecessors, (163), 163 states have call successors, (163) [2021-11-03 03:44:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:44:03,051 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:44:03,051 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:44:03,052 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting xpc_send_activate_IRQ_ch_uvErr0ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:44:03,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:44:03,058 INFO L85 PathProgramCache]: Analyzing trace with hash 250903290, now seen corresponding path program 1 times [2021-11-03 03:44:03,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:44:03,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648559575] [2021-11-03 03:44:03,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:44:03,094 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:44:03,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:44:03,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:44:03,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:44:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:44:20,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 3219 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:44:20,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:44:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:20,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:44:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:20,746 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:44:20,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648559575] [2021-11-03 03:44:20,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648559575] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:44:20,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:44:20,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:44:20,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12411148] [2021-11-03 03:44:20,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:44:20,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:44:20,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:44:20,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:44:20,783 INFO L87 Difference]: Start difference. First operand has 5058 states, 4825 states have (on average 1.3819689119170984) internal successors, (6668), 4922 states have internal predecessors, (6668), 163 states have call successors, (163), 29 states have call predecessors, (163), 29 states have return successors, (163), 139 states have call predecessors, (163), 163 states have call successors, (163) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:44:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:44:29,283 INFO L93 Difference]: Finished difference Result 14142 states and 19811 transitions. [2021-11-03 03:44:29,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:44:29,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-03 03:44:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:44:29,379 INFO L225 Difference]: With dead ends: 14142 [2021-11-03 03:44:29,379 INFO L226 Difference]: Without dead ends: 8965 [2021-11-03 03:44:29,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:44:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8965 states. [2021-11-03 03:44:29,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8965 to 8837. [2021-11-03 03:44:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8837 states, 8445 states have (on average 1.3551213735938425) internal successors, (11444), 8590 states have internal predecessors, (11444), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:44:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8837 states to 8837 states and 12032 transitions. [2021-11-03 03:44:29,942 INFO L78 Accepts]: Start accepts. Automaton has 8837 states and 12032 transitions. Word has length 15 [2021-11-03 03:44:29,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:44:29,942 INFO L470 AbstractCegarLoop]: Abstraction has 8837 states and 12032 transitions. [2021-11-03 03:44:29,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:44:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 8837 states and 12032 transitions. [2021-11-03 03:44:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 03:44:29,949 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:44:29,949 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:44:30,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:44:30,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:44:30,150 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:44:30,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:44:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1083907328, now seen corresponding path program 1 times [2021-11-03 03:44:30,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:44:30,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017170348] [2021-11-03 03:44:30,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:44:30,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:44:30,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:44:30,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:44:30,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:44:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:44:46,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 3139 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:44:46,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:44:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:46,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:44:46,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:46,829 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:44:46,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017170348] [2021-11-03 03:44:46,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017170348] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:44:46,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:44:46,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:44:46,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988967771] [2021-11-03 03:44:46,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:44:46,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:44:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:44:46,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:44:46,833 INFO L87 Difference]: Start difference. First operand 8837 states and 12032 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-03 03:44:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:44:52,009 INFO L93 Difference]: Finished difference Result 20754 states and 28279 transitions. [2021-11-03 03:44:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 03:44:52,010 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) Word has length 18 [2021-11-03 03:44:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:44:52,103 INFO L225 Difference]: With dead ends: 20754 [2021-11-03 03:44:52,103 INFO L226 Difference]: Without dead ends: 11920 [2021-11-03 03:44:52,150 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:44:52,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11920 states. [2021-11-03 03:44:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11920 to 8735. [2021-11-03 03:44:52,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8735 states, 8343 states have (on average 1.3580246913580247) internal successors, (11330), 8488 states have internal predecessors, (11330), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:44:52,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8735 states to 8735 states and 11918 transitions. [2021-11-03 03:44:52,595 INFO L78 Accepts]: Start accepts. Automaton has 8735 states and 11918 transitions. Word has length 18 [2021-11-03 03:44:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:44:52,596 INFO L470 AbstractCegarLoop]: Abstraction has 8735 states and 11918 transitions. [2021-11-03 03:44:52,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-11-03 03:44:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 8735 states and 11918 transitions. [2021-11-03 03:44:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 03:44:52,607 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:44:52,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:44:52,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:44:52,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:44:52,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:44:52,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:44:52,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1083847746, now seen corresponding path program 1 times [2021-11-03 03:44:52,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:44:52,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435922034] [2021-11-03 03:44:52,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:44:52,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:44:52,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:44:52,846 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:44:52,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:45:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:09,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 3135 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:45:09,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:09,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:09,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:09,610 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:09,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435922034] [2021-11-03 03:45:09,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435922034] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:09,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:09,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:45:09,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091931919] [2021-11-03 03:45:09,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:45:09,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:09,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:45:09,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:09,613 INFO L87 Difference]: Start difference. First operand 8735 states and 11918 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-03 03:45:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:13,252 INFO L93 Difference]: Finished difference Result 8735 states and 11918 transitions. [2021-11-03 03:45:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:45:13,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) Word has length 18 [2021-11-03 03:45:13,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:13,330 INFO L225 Difference]: With dead ends: 8735 [2021-11-03 03:45:13,330 INFO L226 Difference]: Without dead ends: 8703 [2021-11-03 03:45:13,336 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:13,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2021-11-03 03:45:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 8703. [2021-11-03 03:45:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8703 states, 8327 states have (on average 1.3555902485889275) internal successors, (11288), 8456 states have internal predecessors, (11288), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:45:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8703 states to 8703 states and 11876 transitions. [2021-11-03 03:45:13,822 INFO L78 Accepts]: Start accepts. Automaton has 8703 states and 11876 transitions. Word has length 18 [2021-11-03 03:45:13,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:13,823 INFO L470 AbstractCegarLoop]: Abstraction has 8703 states and 11876 transitions. [2021-11-03 03:45:13,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-03 03:45:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 8703 states and 11876 transitions. [2021-11-03 03:45:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 03:45:13,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:13,825 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:13,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:14,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:14,039 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:45:14,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:14,039 INFO L85 PathProgramCache]: Analyzing trace with hash 760472688, now seen corresponding path program 1 times [2021-11-03 03:45:14,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:14,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507555296] [2021-11-03 03:45:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:14,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:14,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:14,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:14,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:45:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:30,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:45:30,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:30,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:30,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:30,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507555296] [2021-11-03 03:45:30,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1507555296] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:30,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:30,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:45:30,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390890277] [2021-11-03 03:45:30,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:45:30,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:30,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:45:30,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:30,948 INFO L87 Difference]: Start difference. First operand 8703 states and 11876 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-03 03:45:34,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:34,003 INFO L93 Difference]: Finished difference Result 8703 states and 11876 transitions. [2021-11-03 03:45:34,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:45:34,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-11-03 03:45:34,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:34,035 INFO L225 Difference]: With dead ends: 8703 [2021-11-03 03:45:34,036 INFO L226 Difference]: Without dead ends: 8701 [2021-11-03 03:45:34,041 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8701 states. [2021-11-03 03:45:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8701 to 8701. [2021-11-03 03:45:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8701 states, 8326 states have (on average 1.3555128513091521) internal successors, (11286), 8454 states have internal predecessors, (11286), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:45:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8701 states to 8701 states and 11874 transitions. [2021-11-03 03:45:34,510 INFO L78 Accepts]: Start accepts. Automaton has 8701 states and 11874 transitions. Word has length 19 [2021-11-03 03:45:34,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:34,511 INFO L470 AbstractCegarLoop]: Abstraction has 8701 states and 11874 transitions. [2021-11-03 03:45:34,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-11-03 03:45:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 8701 states and 11874 transitions. [2021-11-03 03:45:34,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-03 03:45:34,513 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:34,513 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:34,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:34,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:34,731 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:45:34,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:34,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2099831304, now seen corresponding path program 1 times [2021-11-03 03:45:34,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:34,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472722119] [2021-11-03 03:45:34,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:34,747 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:34,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:34,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:45:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:54,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 3137 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:45:54,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:54,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:54,883 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:45:54,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472722119] [2021-11-03 03:45:54,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472722119] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:45:54,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:45:54,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:45:54,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682253008] [2021-11-03 03:45:54,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:45:54,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:45:54,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:45:54,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:54,886 INFO L87 Difference]: Start difference. First operand 8701 states and 11874 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-03 03:45:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:58,329 INFO L93 Difference]: Finished difference Result 8701 states and 11874 transitions. [2021-11-03 03:45:58,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:45:58,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2021-11-03 03:45:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:58,374 INFO L225 Difference]: With dead ends: 8701 [2021-11-03 03:45:58,374 INFO L226 Difference]: Without dead ends: 8699 [2021-11-03 03:45:58,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:45:58,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8699 states. [2021-11-03 03:45:58,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8699 to 8699. [2021-11-03 03:45:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8699 states, 8325 states have (on average 1.3554354354354354) internal successors, (11284), 8452 states have internal predecessors, (11284), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:45:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8699 states to 8699 states and 11872 transitions. [2021-11-03 03:45:59,020 INFO L78 Accepts]: Start accepts. Automaton has 8699 states and 11872 transitions. Word has length 20 [2021-11-03 03:45:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:59,020 INFO L470 AbstractCegarLoop]: Abstraction has 8699 states and 11872 transitions. [2021-11-03 03:45:59,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-03 03:45:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 8699 states and 11872 transitions. [2021-11-03 03:45:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-03 03:45:59,022 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:59,022 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:59,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:59,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:45:59,243 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:45:59,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:59,243 INFO L85 PathProgramCache]: Analyzing trace with hash 670275450, now seen corresponding path program 1 times [2021-11-03 03:45:59,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:45:59,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236589332] [2021-11-03 03:45:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:59,258 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:45:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:45:59,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:45:59,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:46:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:18,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:46:18,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:19,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:19,256 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:19,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236589332] [2021-11-03 03:46:19,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236589332] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:19,257 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:19,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:46:19,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848117256] [2021-11-03 03:46:19,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:46:19,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:19,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:46:19,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:19,259 INFO L87 Difference]: Start difference. First operand 8699 states and 11872 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-03 03:46:22,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:22,679 INFO L93 Difference]: Finished difference Result 8699 states and 11872 transitions. [2021-11-03 03:46:22,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:46:22,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) Word has length 21 [2021-11-03 03:46:22,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:22,719 INFO L225 Difference]: With dead ends: 8699 [2021-11-03 03:46:22,720 INFO L226 Difference]: Without dead ends: 8697 [2021-11-03 03:46:22,726 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:22,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8697 states. [2021-11-03 03:46:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8697 to 8697. [2021-11-03 03:46:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8697 states, 8324 states have (on average 1.3553580009610764) internal successors, (11282), 8450 states have internal predecessors, (11282), 294 states have call successors, (294), 58 states have call predecessors, (294), 58 states have return successors, (294), 248 states have call predecessors, (294), 294 states have call successors, (294) [2021-11-03 03:46:23,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 11870 transitions. [2021-11-03 03:46:23,374 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 11870 transitions. Word has length 21 [2021-11-03 03:46:23,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:23,375 INFO L470 AbstractCegarLoop]: Abstraction has 8697 states and 11870 transitions. [2021-11-03 03:46:23,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-11-03 03:46:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 11870 transitions. [2021-11-03 03:46:23,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-03 03:46:23,376 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:23,377 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:46:23,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:23,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:23,603 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:46:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:23,603 INFO L85 PathProgramCache]: Analyzing trace with hash -696283054, now seen corresponding path program 1 times [2021-11-03 03:46:23,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:23,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751886582] [2021-11-03 03:46:23,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:23,611 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:23,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:23,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:23,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:46:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:40,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 3139 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:46:40,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:41,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:41,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:41,513 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:46:41,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751886582] [2021-11-03 03:46:41,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751886582] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:46:41,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:46:41,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:46:41,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147237590] [2021-11-03 03:46:41,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:46:41,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:46:41,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:46:41,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:41,516 INFO L87 Difference]: Start difference. First operand 8697 states and 11870 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 03:46:45,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:45,272 INFO L93 Difference]: Finished difference Result 26043 states and 35736 transitions. [2021-11-03 03:46:45,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:46:45,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2021-11-03 03:46:45,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:45,339 INFO L225 Difference]: With dead ends: 26043 [2021-11-03 03:46:45,339 INFO L226 Difference]: Without dead ends: 17232 [2021-11-03 03:46:45,382 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:46:45,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17232 states. [2021-11-03 03:46:46,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17232 to 17181. [2021-11-03 03:46:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17181 states, 16462 states have (on average 1.3546349167780343) internal successors, (22300), 16692 states have internal predecessors, (22300), 582 states have call successors, (582), 116 states have call predecessors, (582), 116 states have return successors, (672), 492 states have call predecessors, (672), 582 states have call successors, (672) [2021-11-03 03:46:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17181 states to 17181 states and 23554 transitions. [2021-11-03 03:46:46,443 INFO L78 Accepts]: Start accepts. Automaton has 17181 states and 23554 transitions. Word has length 22 [2021-11-03 03:46:46,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:46,443 INFO L470 AbstractCegarLoop]: Abstraction has 17181 states and 23554 transitions. [2021-11-03 03:46:46,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-03 03:46:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 17181 states and 23554 transitions. [2021-11-03 03:46:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 03:46:46,449 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:46,450 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:46:46,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:46,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:46:46,674 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:46:46,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:46,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1618449310, now seen corresponding path program 1 times [2021-11-03 03:46:46,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:46:46,687 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680044193] [2021-11-03 03:46:46,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:46,688 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:46:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:46:46,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:46:46,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:47:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:47:03,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 3230 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:47:03,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:47:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:04,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:47:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:04,367 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:47:04,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680044193] [2021-11-03 03:47:04,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680044193] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:47:04,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:47:04,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:47:04,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911540269] [2021-11-03 03:47:04,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:47:04,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:47:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:47:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:47:04,370 INFO L87 Difference]: Start difference. First operand 17181 states and 23554 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-03 03:47:06,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:47:06,551 INFO L93 Difference]: Finished difference Result 49997 states and 68526 transitions. [2021-11-03 03:47:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:47:06,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2021-11-03 03:47:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:47:06,689 INFO L225 Difference]: With dead ends: 49997 [2021-11-03 03:47:06,689 INFO L226 Difference]: Without dead ends: 32819 [2021-11-03 03:47:06,740 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:47:06,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32819 states. [2021-11-03 03:47:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32819 to 32557. [2021-11-03 03:47:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32557 states, 31200 states have (on average 1.3562820512820513) internal successors, (42316), 31616 states have internal predecessors, (42316), 1104 states have call successors, (1104), 232 states have call predecessors, (1104), 232 states have return successors, (1284), 936 states have call predecessors, (1284), 1104 states have call successors, (1284) [2021-11-03 03:47:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32557 states to 32557 states and 44704 transitions. [2021-11-03 03:47:08,532 INFO L78 Accepts]: Start accepts. Automaton has 32557 states and 44704 transitions. Word has length 35 [2021-11-03 03:47:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:47:08,532 INFO L470 AbstractCegarLoop]: Abstraction has 32557 states and 44704 transitions. [2021-11-03 03:47:08,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-11-03 03:47:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32557 states and 44704 transitions. [2021-11-03 03:47:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:47:08,540 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:47:08,541 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:47:08,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:47:08,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:47:08,754 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:47:08,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:47:08,755 INFO L85 PathProgramCache]: Analyzing trace with hash 304865155, now seen corresponding path program 1 times [2021-11-03 03:47:08,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:47:08,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500551699] [2021-11-03 03:47:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:47:08,767 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:47:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:47:08,768 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:47:08,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 03:47:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:47:26,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 3399 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:47:26,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:47:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:26,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:47:27,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:27,095 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:47:27,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500551699] [2021-11-03 03:47:27,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500551699] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:47:27,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:47:27,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:47:27,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647071924] [2021-11-03 03:47:27,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:47:27,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:47:27,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:47:27,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:47:27,098 INFO L87 Difference]: Start difference. First operand 32557 states and 44704 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:47:33,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:47:33,330 INFO L93 Difference]: Finished difference Result 80654 states and 111029 transitions. [2021-11-03 03:47:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:47:33,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 03:47:33,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:47:33,525 INFO L225 Difference]: With dead ends: 80654 [2021-11-03 03:47:33,525 INFO L226 Difference]: Without dead ends: 48100 [2021-11-03 03:47:33,623 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:47:33,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48100 states. [2021-11-03 03:47:35,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48100 to 36110. [2021-11-03 03:47:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36110 states, 34318 states have (on average 1.3717582609709191) internal successors, (47076), 34846 states have internal predecessors, (47076), 1383 states have call successors, (1383), 388 states have call predecessors, (1383), 388 states have return successors, (1473), 1140 states have call predecessors, (1473), 1383 states have call successors, (1473) [2021-11-03 03:47:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36110 states to 36110 states and 49932 transitions. [2021-11-03 03:47:35,937 INFO L78 Accepts]: Start accepts. Automaton has 36110 states and 49932 transitions. Word has length 51 [2021-11-03 03:47:35,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:47:35,937 INFO L470 AbstractCegarLoop]: Abstraction has 36110 states and 49932 transitions. [2021-11-03 03:47:35,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:47:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36110 states and 49932 transitions. [2021-11-03 03:47:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 03:47:35,941 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:47:35,941 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:47:36,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:47:36,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:47:36,162 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:47:36,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:47:36,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1636340935, now seen corresponding path program 1 times [2021-11-03 03:47:36,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:47:36,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1956182300] [2021-11-03 03:47:36,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:47:36,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:47:36,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:47:36,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:47:36,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 03:47:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:47:53,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 3413 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:47:53,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:47:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:54,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:47:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:47:54,751 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:47:54,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1956182300] [2021-11-03 03:47:54,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1956182300] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:47:54,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:47:54,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 03:47:54,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929376855] [2021-11-03 03:47:54,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:47:54,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:47:54,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:47:54,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:47:54,753 INFO L87 Difference]: Start difference. First operand 36110 states and 49932 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:47:58,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:47:58,260 INFO L93 Difference]: Finished difference Result 103771 states and 143616 transitions. [2021-11-03 03:47:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:47:58,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 03:47:58,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:47:58,489 INFO L225 Difference]: With dead ends: 103771 [2021-11-03 03:47:58,489 INFO L226 Difference]: Without dead ends: 67664 [2021-11-03 03:47:58,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:47:58,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67664 states. [2021-11-03 03:48:01,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67664 to 49446. [2021-11-03 03:48:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49446 states, 46866 states have (on average 1.3829428583621388) internal successors, (64813), 47611 states have internal predecessors, (64813), 1991 states have call successors, (1991), 568 states have call predecessors, (1991), 568 states have return successors, (2036), 1636 states have call predecessors, (2036), 1991 states have call successors, (2036) [2021-11-03 03:48:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49446 states to 49446 states and 68840 transitions. [2021-11-03 03:48:01,687 INFO L78 Accepts]: Start accepts. Automaton has 49446 states and 68840 transitions. Word has length 54 [2021-11-03 03:48:01,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:01,688 INFO L470 AbstractCegarLoop]: Abstraction has 49446 states and 68840 transitions. [2021-11-03 03:48:01,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (4), 1 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:48:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49446 states and 68840 transitions. [2021-11-03 03:48:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-03 03:48:01,691 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:01,691 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:01,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-11-03 03:48:01,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:48:01,906 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:48:01,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:01,907 INFO L85 PathProgramCache]: Analyzing trace with hash -826422448, now seen corresponding path program 1 times [2021-11-03 03:48:01,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:01,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651146939] [2021-11-03 03:48:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:01,913 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:01,915 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:01,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 03:48:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:20,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 3527 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:48:20,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:20,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:21,516 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:21,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651146939] [2021-11-03 03:48:21,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651146939] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:21,517 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:48:21,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:48:21,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256873625] [2021-11-03 03:48:21,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:48:21,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:21,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:48:21,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:48:21,519 INFO L87 Difference]: Start difference. First operand 49446 states and 68840 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-03 03:48:26,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:26,792 INFO L93 Difference]: Finished difference Result 157608 states and 219830 transitions. [2021-11-03 03:48:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:48:26,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) Word has length 86 [2021-11-03 03:48:26,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:27,292 INFO L225 Difference]: With dead ends: 157608 [2021-11-03 03:48:27,293 INFO L226 Difference]: Without dead ends: 108182 [2021-11-03 03:48:27,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:48:27,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108182 states. [2021-11-03 03:48:31,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108182 to 49450. [2021-11-03 03:48:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49450 states, 46870 states have (on average 1.3829528483038191) internal successors, (64819), 47615 states have internal predecessors, (64819), 1991 states have call successors, (1991), 568 states have call predecessors, (1991), 568 states have return successors, (2036), 1636 states have call predecessors, (2036), 1991 states have call successors, (2036) [2021-11-03 03:48:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49450 states to 49450 states and 68846 transitions. [2021-11-03 03:48:31,855 INFO L78 Accepts]: Start accepts. Automaton has 49450 states and 68846 transitions. Word has length 86 [2021-11-03 03:48:31,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:48:31,856 INFO L470 AbstractCegarLoop]: Abstraction has 49450 states and 68846 transitions. [2021-11-03 03:48:31,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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) [2021-11-03 03:48:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 49450 states and 68846 transitions. [2021-11-03 03:48:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-03 03:48:31,859 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:48:31,859 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:48:31,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 03:48:32,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:48:32,063 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [xpc_send_activate_IRQ_part_uvErr0ASSERT_VIOLATIONERROR_FUNCTION, xpc_send_activate_IRQ_part_uvErr1ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-11-03 03:48:32,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:48:32,063 INFO L85 PathProgramCache]: Analyzing trace with hash 127517710, now seen corresponding path program 1 times [2021-11-03 03:48:32,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:48:32,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [745102078] [2021-11-03 03:48:32,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:48:32,070 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:48:32,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:48:32,071 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:48:32,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ab2b7e-f9e9-4fe0-8e0a-97fe6fdbfcce/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 03:48:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:48:50,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 3527 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:48:50,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:48:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:50,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:48:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:48:51,552 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:48:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [745102078] [2021-11-03 03:48:51,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [745102078] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:48:51,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:48:51,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 03:48:51,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902235763] [2021-11-03 03:48:51,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:48:51,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:48:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:48:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:48:51,554 INFO L87 Difference]: Start difference. First operand 49450 states and 68846 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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) [2021-11-03 03:48:56,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:48:56,228 INFO L93 Difference]: Finished difference Result 127511 states and 177775 transitions. [2021-11-03 03:48:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:48:56,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 6 states have internal predecessors, (89), 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) Word has length 86 [2021-11-03 03:48:56,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:48:56,440 INFO L225 Difference]: With dead ends: 127511 [2021-11-03 03:48:56,440 INFO L226 Difference]: Without dead ends: 78079 [2021-11-03 03:48:56,535 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:48:56,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78079 states.