./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:53:16,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:53:16,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:53:16,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:53:16,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:53:16,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:53:16,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:53:16,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:53:16,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:53:16,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:53:16,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:53:16,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:53:16,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:53:16,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:53:16,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:53:16,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:53:16,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:53:16,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:53:16,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:53:16,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:53:16,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:53:16,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:53:16,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:53:16,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:53:16,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:53:16,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:53:16,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:53:16,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:53:16,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:53:16,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:53:16,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:53:16,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:53:16,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:53:16,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:53:16,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:53:16,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:53:16,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:53:16,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:53:16,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:53:16,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:53:16,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:53:16,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:53:16,610 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:53:16,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:53:16,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:53:16,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:53:16,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:53:16,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:53:16,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:53:16,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:53:16,613 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:53:16,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:53:16,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:53:16,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:53:16,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:53:16,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:53:16,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:53:16,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:53:16,615 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:53:16,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:53:16,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:53:16,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:53:16,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:53:16,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:53:16,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:53:16,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:53:16,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:53:16,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:53:16,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:53:16,618 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:53:16,619 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:53:16,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:53:16,619 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 [2022-11-20 10:53:16,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:53:16,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:53:16,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:53:16,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:53:16,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:53:16,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-11-20 10:53:19,975 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:53:20,591 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:53:20,591 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-11-20 10:53:20,631 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/c1d93a88c/a8368670b0e1407b8baca67246be8e18/FLAGe1d448efe [2022-11-20 10:53:20,650 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/c1d93a88c/a8368670b0e1407b8baca67246be8e18 [2022-11-20 10:53:20,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:53:20,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:53:20,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:53:20,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:53:20,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:53:20,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:20" (1/1) ... [2022-11-20 10:53:20,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ff5770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:20, skipping insertion in model container [2022-11-20 10:53:20,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:20" (1/1) ... [2022-11-20 10:53:20,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:53:20,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:53:22,129 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) 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:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) 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:1413) 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:1087) 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:1087) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 10:53:22,133 INFO L158 Benchmark]: Toolchain (without parser) took 1475.28ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 141.8MB in the end (delta: -16.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-20 10:53:22,134 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:53:22,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.51ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 141.8MB in the end (delta: -16.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-11-20 10:53:22,137 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.51ms. Allocated memory is still 182.5MB. Free memory was 125.7MB in the beginning and 141.8MB in the end (delta: -16.1MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:53:24,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:53:24,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:53:24,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:53:24,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:53:24,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:53:24,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:53:24,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:53:24,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:53:24,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:53:24,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:53:24,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:53:24,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:53:24,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:53:24,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:53:24,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:53:24,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:53:24,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:53:24,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:53:24,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:53:24,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:53:24,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:53:24,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:53:24,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:53:24,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:53:24,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:53:24,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:53:24,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:53:24,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:53:24,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:53:24,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:53:24,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:53:24,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:53:24,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:53:24,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:53:24,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:53:24,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:53:24,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:53:24,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:53:24,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:53:24,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:53:24,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:53:24,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:53:24,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:53:24,592 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:53:24,592 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:53:24,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:53:24,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:53:24,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:53:24,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:53:24,595 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:53:24,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:53:24,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:53:24,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:53:24,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:53:24,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:53:24,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:53:24,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:53:24,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:53:24,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:53:24,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:53:24,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:53:24,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:53:24,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:53:24,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:53:24,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:53:24,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:53:24,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:53:24,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:53:24,601 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:53:24,601 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:53:24,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:53:24,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:53:24,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:53:24,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:53:24,602 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_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c33dd4a8b9d397de123c51515d9ce94b0ce1f1fda3976c2bf2bd86eef00096 [2022-11-20 10:53:24,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:53:25,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:53:25,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:53:25,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:53:25,011 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:53:25,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-11-20 10:53:28,140 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:53:28,841 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:53:28,842 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-11-20 10:53:28,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/97663142d/53fcc59be18849f1b5f07a9b323d4ac3/FLAG96a7dfe04 [2022-11-20 10:53:28,924 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/data/97663142d/53fcc59be18849f1b5f07a9b323d4ac3 [2022-11-20 10:53:28,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:53:28,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:53:28,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:53:28,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:53:28,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:53:28,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:28" (1/1) ... [2022-11-20 10:53:28,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224d082b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:28, skipping insertion in model container [2022-11-20 10:53:28,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:28" (1/1) ... [2022-11-20 10:53:28,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:53:29,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:53:30,697 WARN L237 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_a326744f-50aa-4342-a031-f9f83c95c517/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2022-11-20 10:53:30,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:53:30,922 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:53:30,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:53:31,296 WARN L237 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_a326744f-50aa-4342-a031-f9f83c95c517/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2022-11-20 10:53:31,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:53:31,368 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:53:31,749 WARN L237 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_a326744f-50aa-4342-a031-f9f83c95c517/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i[231089,231102] [2022-11-20 10:53:31,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:53:32,179 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:53:32,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32 WrapperNode [2022-11-20 10:53:32,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:53:32,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:53:32,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:53:32,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:53:32,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,555 INFO L138 Inliner]: procedures = 215, calls = 3152, calls flagged for inlining = 89, calls inlined = 81, statements flattened = 7699 [2022-11-20 10:53:32,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:53:32,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:53:32,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:53:32,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:53:32,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:32,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:33,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:53:33,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:53:33,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:53:33,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:53:33,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (1/1) ... [2022-11-20 10:53:33,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:53:33,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:53:33,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:53:33,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:53:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2022-11-20 10:53:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2022-11-20 10:53:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:53:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-11-20 10:53:33,143 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-11-20 10:53:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:53:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:53:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:53:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2022-11-20 10:53:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2022-11-20 10:53:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-11-20 10:53:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-11-20 10:53:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2022-11-20 10:53:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2022-11-20 10:53:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:53:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:53:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-11-20 10:53:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-11-20 10:53:33,145 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-11-20 10:53:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-11-20 10:53:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-11-20 10:53:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-11-20 10:53:33,146 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2022-11-20 10:53:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2022-11-20 10:53:33,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:53:33,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:53:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 10:53:33,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 10:53:33,148 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-20 10:53:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-20 10:53:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2022-11-20 10:53:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2022-11-20 10:53:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 10:53:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 10:53:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-11-20 10:53:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-11-20 10:53:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:53:33,150 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2022-11-20 10:53:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2022-11-20 10:53:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-11-20 10:53:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-11-20 10:53:33,151 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-11-20 10:53:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-11-20 10:53:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-11-20 10:53:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-11-20 10:53:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2022-11-20 10:53:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2022-11-20 10:53:33,152 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-11-20 10:53:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-11-20 10:53:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:53:33,153 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-11-20 10:53:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-11-20 10:53:33,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:53:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-11-20 10:53:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-11-20 10:53:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:53:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:53:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:53:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:53:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:53:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:53:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-11-20 10:53:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-11-20 10:53:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:53:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:53:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:53:33,157 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 10:53:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 10:53:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-11-20 10:53:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-11-20 10:53:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-11-20 10:53:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-11-20 10:53:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:53:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:53:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2022-11-20 10:53:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2022-11-20 10:53:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2022-11-20 10:53:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2022-11-20 10:53:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2022-11-20 10:53:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2022-11-20 10:53:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-11-20 10:53:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-11-20 10:53:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 10:53:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 10:53:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-11-20 10:53:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-11-20 10:53:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-11-20 10:53:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-11-20 10:53:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-20 10:53:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-20 10:53:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-11-20 10:53:33,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-11-20 10:53:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-20 10:53:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-20 10:53:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-11-20 10:53:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-11-20 10:53:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-11-20 10:53:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-11-20 10:53:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-11-20 10:53:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-11-20 10:53:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-11-20 10:53:33,166 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-11-20 10:53:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-11-20 10:53:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-11-20 10:53:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-11-20 10:53:33,167 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-11-20 10:53:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:53:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:53:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-11-20 10:53:33,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-11-20 10:53:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2022-11-20 10:53:33,169 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2022-11-20 10:53:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2022-11-20 10:53:33,172 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2022-11-20 10:53:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:53:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-11-20 10:53:33,174 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-11-20 10:53:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:53:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-11-20 10:53:33,176 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-11-20 10:53:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:53:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-11-20 10:53:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-11-20 10:53:33,181 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-11-20 10:53:33,181 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-11-20 10:53:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2022-11-20 10:53:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2022-11-20 10:53:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-20 10:53:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-20 10:53:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-11-20 10:53:33,182 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-11-20 10:53:33,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:53:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:53:33,183 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:53:33,183 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:53:34,221 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:53:34,224 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:53:48,658 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:53:48,685 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:53:48,687 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 10:53:48,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:48 BoogieIcfgContainer [2022-11-20 10:53:48,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:53:48,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:53:48,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:53:48,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:53:48,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:53:28" (1/3) ... [2022-11-20 10:53:48,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631306c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:48, skipping insertion in model container [2022-11-20 10:53:48,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:32" (2/3) ... [2022-11-20 10:53:48,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631306c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:53:48, skipping insertion in model container [2022-11-20 10:53:48,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:48" (3/3) ... [2022-11-20 10:53:48,705 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83781d.ko-main.cil.out.i [2022-11-20 10:53:48,723 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:53:48,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:53:48,833 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:53:48,840 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@422bad7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:53:48,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:53:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 1942 states, 1456 states have (on average 1.5206043956043955) internal successors, (2214), 1467 states have internal predecessors, (2214), 427 states have call successors, (427), 57 states have call predecessors, (427), 57 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) [2022-11-20 10:53:48,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:53:48,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:53:48,872 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:53:48,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:53:48,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:53:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1921795242, now seen corresponding path program 1 times [2022-11-20 10:53:48,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:53:48,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99030257] [2022-11-20 10:53:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:53:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:53:48,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:53:48,911 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:53:48,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:54:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:01,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:54:01,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:54:02,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:54:02,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:02,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99030257] [2022-11-20 10:54:02,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99030257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:02,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:02,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:54:02,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920288163] [2022-11-20 10:54:02,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:02,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:54:02,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:02,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:54:02,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:02,154 INFO L87 Difference]: Start difference. First operand has 1942 states, 1456 states have (on average 1.5206043956043955) internal successors, (2214), 1467 states have internal predecessors, (2214), 427 states have call successors, (427), 57 states have call predecessors, (427), 57 states have return successors, (427), 427 states have call predecessors, (427), 427 states have call successors, (427) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:03,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:03,588 INFO L93 Difference]: Finished difference Result 5806 states and 9765 transitions. [2022-11-20 10:54:03,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:54:03,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-11-20 10:54:03,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:03,636 INFO L225 Difference]: With dead ends: 5806 [2022-11-20 10:54:03,636 INFO L226 Difference]: Without dead ends: 3859 [2022-11-20 10:54:03,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:03,679 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 3031 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3031 SdHoareTripleChecker+Valid, 6756 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:03,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3031 Valid, 6756 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:54:03,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3859 states. [2022-11-20 10:54:03,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3859 to 3839. [2022-11-20 10:54:03,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3839 states, 2883 states have (on average 1.5202913631633714) internal successors, (4383), 2894 states have internal predecessors, (4383), 843 states have call successors, (843), 113 states have call predecessors, (843), 112 states have return successors, (834), 833 states have call predecessors, (834), 834 states have call successors, (834) [2022-11-20 10:54:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 3839 states and 6060 transitions. [2022-11-20 10:54:04,033 INFO L78 Accepts]: Start accepts. Automaton has 3839 states and 6060 transitions. Word has length 31 [2022-11-20 10:54:04,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:04,034 INFO L495 AbstractCegarLoop]: Abstraction has 3839 states and 6060 transitions. [2022-11-20 10:54:04,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3839 states and 6060 transitions. [2022-11-20 10:54:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:54:04,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:04,044 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:54:04,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 10:54:04,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:04,267 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1987244376, now seen corresponding path program 1 times [2022-11-20 10:54:04,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:04,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570538313] [2022-11-20 10:54:04,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:04,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:04,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:04,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:54:04,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:54:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:17,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 4612 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:54:17,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:54:17,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:54:17,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:17,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570538313] [2022-11-20 10:54:17,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570538313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:17,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:17,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:54:17,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364165579] [2022-11-20 10:54:17,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:17,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:54:17,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:17,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:54:17,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:17,828 INFO L87 Difference]: Start difference. First operand 3839 states and 6060 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:19,019 INFO L93 Difference]: Finished difference Result 11499 states and 18154 transitions. [2022-11-20 10:54:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:54:19,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 10:54:19,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:19,070 INFO L225 Difference]: With dead ends: 11499 [2022-11-20 10:54:19,071 INFO L226 Difference]: Without dead ends: 7663 [2022-11-20 10:54:19,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:19,101 INFO L413 NwaCegarLoop]: 3725 mSDtfsCounter, 3032 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 6768 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:19,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3032 Valid, 6768 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:54:19,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7663 states. [2022-11-20 10:54:19,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7663 to 7643. [2022-11-20 10:54:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7643 states, 5743 states have (on average 1.5202855650356957) internal successors, (8731), 5758 states have internal predecessors, (8731), 1675 states have call successors, (1675), 225 states have call predecessors, (1675), 224 states have return successors, (1666), 1663 states have call predecessors, (1666), 1666 states have call successors, (1666) [2022-11-20 10:54:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7643 states to 7643 states and 12072 transitions. [2022-11-20 10:54:19,549 INFO L78 Accepts]: Start accepts. Automaton has 7643 states and 12072 transitions. Word has length 32 [2022-11-20 10:54:19,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:19,549 INFO L495 AbstractCegarLoop]: Abstraction has 7643 states and 12072 transitions. [2022-11-20 10:54:19,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 7643 states and 12072 transitions. [2022-11-20 10:54:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:54:19,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:19,552 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:54:19,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:54:19,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:19,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:19,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:19,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2119451473, now seen corresponding path program 1 times [2022-11-20 10:54:19,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:19,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228578476] [2022-11-20 10:54:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:19,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:19,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:19,792 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:54:19,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:54:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:32,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 4608 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:54:32,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:54:32,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:54:32,987 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:32,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228578476] [2022-11-20 10:54:32,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228578476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:32,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:32,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:54:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649814219] [2022-11-20 10:54:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:32,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:54:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:54:32,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:32,990 INFO L87 Difference]: Start difference. First operand 7643 states and 12072 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:34,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:34,451 INFO L93 Difference]: Finished difference Result 22883 states and 36142 transitions. [2022-11-20 10:54:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:54:34,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 10:54:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:34,569 INFO L225 Difference]: With dead ends: 22883 [2022-11-20 10:54:34,576 INFO L226 Difference]: Without dead ends: 15243 [2022-11-20 10:54:34,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:34,631 INFO L413 NwaCegarLoop]: 3631 mSDtfsCounter, 3026 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3026 SdHoareTripleChecker+Valid, 6671 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:34,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3026 Valid, 6671 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:54:34,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15243 states. [2022-11-20 10:54:35,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15243 to 15223. [2022-11-20 10:54:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15223 states, 11441 states have (on average 1.5198846254698015) internal successors, (17389), 11464 states have internal predecessors, (17389), 3333 states have call successors, (3333), 449 states have call predecessors, (3333), 448 states have return successors, (3324), 3317 states have call predecessors, (3324), 3324 states have call successors, (3324) [2022-11-20 10:54:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15223 states to 15223 states and 24046 transitions. [2022-11-20 10:54:35,727 INFO L78 Accepts]: Start accepts. Automaton has 15223 states and 24046 transitions. Word has length 32 [2022-11-20 10:54:35,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:35,727 INFO L495 AbstractCegarLoop]: Abstraction has 15223 states and 24046 transitions. [2022-11-20 10:54:35,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 15223 states and 24046 transitions. [2022-11-20 10:54:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 10:54:35,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:35,733 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:54:35,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:54:35,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:35,947 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:35,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:35,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2016994239, now seen corresponding path program 1 times [2022-11-20 10:54:35,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:35,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1108669553] [2022-11-20 10:54:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:35,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:54:35,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:54:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:48,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 4616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:54:48,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:54:48,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:54:48,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:48,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1108669553] [2022-11-20 10:54:48,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1108669553] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:48,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:48,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:54:48,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881797165] [2022-11-20 10:54:48,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:48,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:54:48,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:48,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:54:48,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:48,911 INFO L87 Difference]: Start difference. First operand 15223 states and 24046 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:51,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:51,121 INFO L93 Difference]: Finished difference Result 45583 states and 71996 transitions. [2022-11-20 10:54:51,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:54:51,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-20 10:54:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:51,322 INFO L225 Difference]: With dead ends: 45583 [2022-11-20 10:54:51,323 INFO L226 Difference]: Without dead ends: 30363 [2022-11-20 10:54:51,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:54:51,398 INFO L413 NwaCegarLoop]: 3647 mSDtfsCounter, 3024 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3024 SdHoareTripleChecker+Valid, 6687 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:51,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3024 Valid, 6687 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:54:51,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30363 states. [2022-11-20 10:54:53,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30363 to 30343. [2022-11-20 10:54:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30343 states, 22805 states have (on average 1.519359789519842) internal successors, (34649), 22844 states have internal predecessors, (34649), 6641 states have call successors, (6641), 897 states have call predecessors, (6641), 896 states have return successors, (6632), 6617 states have call predecessors, (6632), 6632 states have call successors, (6632) [2022-11-20 10:54:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30343 states to 30343 states and 47922 transitions. [2022-11-20 10:54:53,470 INFO L78 Accepts]: Start accepts. Automaton has 30343 states and 47922 transitions. Word has length 34 [2022-11-20 10:54:53,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:53,471 INFO L495 AbstractCegarLoop]: Abstraction has 30343 states and 47922 transitions. [2022-11-20 10:54:53,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:54:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30343 states and 47922 transitions. [2022-11-20 10:54:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 10:54:53,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:53,473 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:54:53,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:54:53,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:53,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:53,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:53,695 INFO L85 PathProgramCache]: Analyzing trace with hash 443363199, now seen corresponding path program 1 times [2022-11-20 10:54:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:53,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630443284] [2022-11-20 10:54:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:53,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:54:53,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:53,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:54:53,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:55:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:06,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 4616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:55:06,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:06,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:06,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:55:06,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630443284] [2022-11-20 10:55:06,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630443284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:06,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:06,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:06,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092449667] [2022-11-20 10:55:06,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:06,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:06,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:55:06,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:06,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:06,438 INFO L87 Difference]: Start difference. First operand 30343 states and 47922 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:55:09,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:09,420 INFO L93 Difference]: Finished difference Result 90863 states and 143488 transitions. [2022-11-20 10:55:09,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:09,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-20 10:55:09,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:09,840 INFO L225 Difference]: With dead ends: 90863 [2022-11-20 10:55:09,841 INFO L226 Difference]: Without dead ends: 60523 [2022-11-20 10:55:10,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:10,004 INFO L413 NwaCegarLoop]: 3663 mSDtfsCounter, 3022 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3022 SdHoareTripleChecker+Valid, 6703 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:10,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3022 Valid, 6703 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:55:10,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60523 states. [2022-11-20 10:55:13,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60523 to 60503. [2022-11-20 10:55:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60503 states, 45469 states have (on average 1.5187710308122018) internal successors, (69057), 45540 states have internal predecessors, (69057), 13241 states have call successors, (13241), 1793 states have call predecessors, (13241), 1792 states have return successors, (13232), 13201 states have call predecessors, (13232), 13232 states have call successors, (13232) [2022-11-20 10:55:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60503 states to 60503 states and 95530 transitions. [2022-11-20 10:55:14,252 INFO L78 Accepts]: Start accepts. Automaton has 60503 states and 95530 transitions. Word has length 36 [2022-11-20 10:55:14,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:14,252 INFO L495 AbstractCegarLoop]: Abstraction has 60503 states and 95530 transitions. [2022-11-20 10:55:14,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:55:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 60503 states and 95530 transitions. [2022-11-20 10:55:14,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 10:55:14,255 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:14,255 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:55:14,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:55:14,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:55:14,469 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:55:14,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:14,469 INFO L85 PathProgramCache]: Analyzing trace with hash -886111828, now seen corresponding path program 1 times [2022-11-20 10:55:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:55:14,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434288671] [2022-11-20 10:55:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:14,474 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:55:14,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:55:14,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:55:14,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:55:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:27,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 4600 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:55:27,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:27,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:27,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:27,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:55:27,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434288671] [2022-11-20 10:55:27,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434288671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:27,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:27,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:27,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143352764] [2022-11-20 10:55:27,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:27,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:27,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:55:27,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:27,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:27,276 INFO L87 Difference]: Start difference. First operand 60503 states and 95530 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:55:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:55:31,819 INFO L93 Difference]: Finished difference Result 181311 states and 286264 transitions. [2022-11-20 10:55:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:55:31,820 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), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-20 10:55:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:55:32,727 INFO L225 Difference]: With dead ends: 181311 [2022-11-20 10:55:32,728 INFO L226 Difference]: Without dead ends: 120811 [2022-11-20 10:55:33,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:33,104 INFO L413 NwaCegarLoop]: 3598 mSDtfsCounter, 3036 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:55:33,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 6641 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:55:33,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120811 states. [2022-11-20 10:55:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120811 to 120791. [2022-11-20 10:55:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120791 states, 90765 states have (on average 1.5183055142400705) internal successors, (137809), 90900 states have internal predecessors, (137809), 26441 states have call successors, (26441), 3585 states have call predecessors, (26441), 3584 states have return successors, (26432), 26369 states have call predecessors, (26432), 26432 states have call successors, (26432) [2022-11-20 10:55:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120791 states to 120791 states and 190682 transitions. [2022-11-20 10:55:39,399 INFO L78 Accepts]: Start accepts. Automaton has 120791 states and 190682 transitions. Word has length 28 [2022-11-20 10:55:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:55:39,399 INFO L495 AbstractCegarLoop]: Abstraction has 120791 states and 190682 transitions. [2022-11-20 10:55:39,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:55:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 120791 states and 190682 transitions. [2022-11-20 10:55:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 10:55:39,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:55:39,401 INFO L195 NwaCegarLoop]: 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] [2022-11-20 10:55:39,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:55:39,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:55:39,615 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:55:39,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:55:39,616 INFO L85 PathProgramCache]: Analyzing trace with hash -919829617, now seen corresponding path program 1 times [2022-11-20 10:55:39,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:55:39,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815720292] [2022-11-20 10:55:39,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:55:39,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:55:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:55:39,623 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:55:39,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326744f-50aa-4342-a031-f9f83c95c517/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:55:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:55:52,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 4616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:55:52,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:55:52,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:55:52,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:55:52,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:55:52,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815720292] [2022-11-20 10:55:52,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815720292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:55:52,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:55:52,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:55:52,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147807975] [2022-11-20 10:55:52,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:55:52,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:55:52,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:55:52,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:55:52,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:55:52,218 INFO L87 Difference]: Start difference. First operand 120791 states and 190682 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:56:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:56:01,809 INFO L93 Difference]: Finished difference Result 361983 states and 571400 transitions. [2022-11-20 10:56:01,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:56:01,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-20 10:56:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:56:03,323 INFO L225 Difference]: With dead ends: 361983 [2022-11-20 10:56:03,324 INFO L226 Difference]: Without dead ends: 241195 [2022-11-20 10:56:04,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:56:04,416 INFO L413 NwaCegarLoop]: 3897 mSDtfsCounter, 3030 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 6940 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:56:04,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3030 Valid, 6940 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:56:04,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241195 states.