./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.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_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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_b583973d-2b47-4200-b126-a8f39abf2ef9/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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- 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 12:29:58,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:29:58,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:29:58,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:29:58,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:29:58,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:29:58,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:29:58,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:29:58,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:29:58,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:29:58,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:29:58,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:29:58,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:29:58,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:29:58,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:29:58,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:29:58,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:29:58,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:29:58,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:29:58,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:29:58,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:29:58,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:29:58,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:29:58,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:29:58,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:29:58,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:29:58,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:29:58,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:29:58,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:29:58,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:29:58,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:29:58,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:29:58,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:29:58,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:29:58,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:29:58,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:29:58,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:29:58,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:29:58,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:29:58,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:29:58,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:29:58,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:29:58,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:29:58,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:29:58,595 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:29:58,595 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:29:58,596 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:29:58,596 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:29:58,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:29:58,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:29:58,598 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:29:58,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:29:58,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:29:58,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:29:58,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:29:58,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:29:58,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:29:58,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:29:58,601 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:29:58,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:29:58,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:29:58,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:29:58,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:29:58,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:29:58,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:29:58,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:29:58,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:29:58,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:29:58,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:29:58,605 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:29:58,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:29:58,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:29:58,606 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_b583973d-2b47-4200-b126-a8f39abf2ef9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2022-11-20 12:29:58,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:29:58,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:29:58,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:29:58,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:29:58,970 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:29:58,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-20 12:30:02,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:30:02,958 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:30:02,959 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-20 12:30:03,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/b476a462c/d61e2d2605dc4036a5e39efc57360533/FLAGc50644343 [2022-11-20 12:30:03,042 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/b476a462c/d61e2d2605dc4036a5e39efc57360533 [2022-11-20 12:30:03,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:30:03,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:30:03,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:03,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:30:03,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:30:03,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:03" (1/1) ... [2022-11-20 12:30:03,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e874857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:03, skipping insertion in model container [2022-11-20 12:30:03,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:03" (1/1) ... [2022-11-20 12:30:03,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:30:03,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:30:03,978 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-20 12:30:03,979 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-20 12:30:04,040 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:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) 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 12:30:04,050 INFO L158 Benchmark]: Toolchain (without parser) took 999.04ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 115.7MB in the end (delta: -688.3kB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-11-20 12:30:04,051 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:30:04,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.35ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 115.7MB in the end (delta: -688.3kB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-11-20 12:30:04,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 88.7MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.35ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 115.7MB in the end (delta: -688.3kB). Peak memory consumption was 74.9MB. 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_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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_b583973d-2b47-4200-b126-a8f39abf2ef9/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 fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd --- 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 12:30:06,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:30:06,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:30:06,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:30:06,455 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:30:06,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:30:06,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:30:06,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:30:06,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:30:06,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:30:06,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:30:06,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:30:06,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:30:06,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:30:06,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:30:06,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:30:06,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:30:06,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:30:06,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:30:06,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:30:06,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:30:06,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:30:06,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:30:06,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:30:06,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:30:06,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:30:06,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:30:06,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:30:06,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:30:06,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:30:06,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:30:06,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:30:06,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:30:06,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:30:06,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:30:06,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:30:06,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:30:06,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:30:06,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:30:06,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:30:06,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:30:06,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:30:06,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:30:06,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:30:06,566 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:30:06,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:30:06,567 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:30:06,567 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:30:06,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:30:06,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:30:06,569 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:30:06,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:30:06,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:30:06,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:30:06,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:30:06,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:30:06,570 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:30:06,570 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:30:06,570 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:30:06,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:30:06,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:30:06,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:30:06,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:30:06,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:30:06,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:30:06,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:30:06,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:30:06,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:30:06,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:30:06,573 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:30:06,573 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:30:06,574 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:30:06,574 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:30:06,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:30:06,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:30:06,574 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_b583973d-2b47-4200-b126-a8f39abf2ef9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe313da0c6b218ced50e4197dc755b81036d59e37c56d6141b10ae8e848ca9fd [2022-11-20 12:30:06,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:30:07,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:30:07,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:30:07,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:30:07,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:30:07,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-20 12:30:10,263 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:30:10,950 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:30:10,950 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-20 12:30:10,989 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/a74eb9d51/bb30b9711c3f412297fa7d5177ba0cc9/FLAG24c2bdc46 [2022-11-20 12:30:11,014 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/data/a74eb9d51/bb30b9711c3f412297fa7d5177ba0cc9 [2022-11-20 12:30:11,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:30:11,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:30:11,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:11,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:30:11,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:30:11,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:11" (1/1) ... [2022-11-20 12:30:11,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71764cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:11, skipping insertion in model container [2022-11-20 12:30:11,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:11" (1/1) ... [2022-11-20 12:30:11,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:30:11,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:30:11,896 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-20 12:30:11,897 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-20 12:30:12,741 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_b583973d-2b47-4200-b126-a8f39abf2ef9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2022-11-20 12:30:14,766 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-20 12:30:14,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:14,857 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:30:14,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:30:15,083 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-20 12:30:15,084 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-20 12:30:15,101 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_b583973d-2b47-4200-b126-a8f39abf2ef9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2022-11-20 12:30:15,561 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-20 12:30:15,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:15,626 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:30:15,822 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5693] [2022-11-20 12:30:15,822 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5694-5695] [2022-11-20 12:30:15,851 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_b583973d-2b47-4200-b126-a8f39abf2ef9/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i[183417,183430] [2022-11-20 12:30:16,407 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-20 12:30:16,415 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:16,662 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:30:16,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16 WrapperNode [2022-11-20 12:30:16,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:16,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:16,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:30:16,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:30:16,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:16,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,041 INFO L138 Inliner]: procedures = 468, calls = 2280, calls flagged for inlining = 217, calls inlined = 215, statements flattened = 6945 [2022-11-20 12:30:17,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:17,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:30:17,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:30:17,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:30:17,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:30:17,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:30:17,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:30:17,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:30:17,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (1/1) ... [2022-11-20 12:30:17,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:30:17,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:30:17,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:30:17,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:30:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:30:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:30:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 12:30:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure unix_gc [2022-11-20 12:30:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_gc [2022-11-20 12:30:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure unix_sysctl_unregister [2022-11-20 12:30:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_sysctl_unregister [2022-11-20 12:30:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 12:30:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 12:30:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-20 12:30:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-20 12:30:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 12:30:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 12:30:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure sock_sndtimeo [2022-11-20 12:30:17,610 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_sndtimeo [2022-11-20 12:30:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 12:30:17,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 12:30:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:30:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:30:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_addr [2022-11-20 12:30:17,612 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_addr [2022-11-20 12:30:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_lock [2022-11-20 12:30:17,613 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_lock [2022-11-20 12:30:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure unix_set_peek_off [2022-11-20 12:30:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_set_peek_off [2022-11-20 12:30:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 12:30:17,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 12:30:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_disconnected [2022-11-20 12:30:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_disconnected [2022-11-20 12:30:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-20 12:30:17,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-20 12:30:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy [2022-11-20 12:30:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy [2022-11-20 12:30:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure put_cmsg [2022-11-20 12:30:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cmsg [2022-11-20 12:30:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure unix_create1 [2022-11-20 12:30:17,616 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_create1 [2022-11-20 12:30:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_poll [2022-11-20 12:30:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_poll [2022-11-20 12:30:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:30:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:30:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-11-20 12:30:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-11-20 12:30:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure unix_recvq_full [2022-11-20 12:30:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_recvq_full [2022-11-20 12:30:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-20 12:30:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-20 12:30:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure unix_shutdown [2022-11-20 12:30:17,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_shutdown [2022-11-20 12:30:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 12:30:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure scan_children [2022-11-20 12:30:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_children [2022-11-20 12:30:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:30:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-20 12:30:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-20 12:30:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_fwd [2022-11-20 12:30:17,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_fwd [2022-11-20 12:30:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 12:30:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:30:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure unix_find_other [2022-11-20 12:30:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_find_other [2022-11-20 12:30:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:30:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure unix_scm_to_skb [2022-11-20 12:30:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_scm_to_skb [2022-11-20 12:30:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure scm_send [2022-11-20 12:30:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_send [2022-11-20 12:30:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:30:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:30:17,624 INFO L130 BoogieDeclarations]: Found specification of procedure sk_set_socket [2022-11-20 12:30:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_set_socket [2022-11-20 12:30:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure unix_autobind [2022-11-20 12:30:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_autobind [2022-11-20 12:30:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:30:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:30:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release_sock [2022-11-20 12:30:17,626 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release_sock [2022-11-20 12:30:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-11-20 12:30:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-11-20 12:30:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure unix_mkname [2022-11-20 12:30:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_mkname [2022-11-20 12:30:17,627 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:30:17,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:30:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure sock_intr_errno [2022-11-20 12:30:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_intr_errno [2022-11-20 12:30:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2022-11-20 12:30:17,628 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2022-11-20 12:30:17,628 INFO L130 BoogieDeclarations]: Found specification of procedure unix_may_send [2022-11-20 12:30:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_may_send [2022-11-20 12:30:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:30:17,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:30:17,629 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-20 12:30:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-20 12:30:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure __validate_creds [2022-11-20 12:30:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __validate_creds [2022-11-20 12:30:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure unix_listen [2022-11-20 12:30:17,630 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_listen [2022-11-20 12:30:17,630 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2022-11-20 12:30:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2022-11-20 12:30:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-20 12:30:17,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-20 12:30:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 12:30:17,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 12:30:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-11-20 12:30:17,636 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-11-20 12:30:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure kiocb_to_siocb [2022-11-20 12:30:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure kiocb_to_siocb [2022-11-20 12:30:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure init_peercred [2022-11-20 12:30:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peercred [2022-11-20 12:30:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 12:30:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 12:30:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-11-20 12:30:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-11-20 12:30:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_sendmsg [2022-11-20 12:30:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_sendmsg [2022-11-20 12:30:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure unix_stream_connect [2022-11-20 12:30:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_stream_connect [2022-11-20 12:30:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure get_cred [2022-11-20 12:30:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cred [2022-11-20 12:30:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_dec [2022-11-20 12:30:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_dec [2022-11-20 12:30:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure unix_skb_len [2022-11-20 12:30:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_skb_len [2022-11-20 12:30:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2022-11-20 12:30:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2022-11-20 12:30:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure unix_state_double_unlock [2022-11-20 12:30:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_state_double_unlock [2022-11-20 12:30:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:30:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 12:30:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:30:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:30:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:30:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:30:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure unix_net_exit [2022-11-20 12:30:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_net_exit [2022-11-20 12:30:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure unix_detach_fds [2022-11-20 12:30:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_detach_fds [2022-11-20 12:30:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure touch_atime [2022-11-20 12:30:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_atime [2022-11-20 12:30:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure unix_seq_stop [2022-11-20 12:30:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_seq_stop [2022-11-20 12:30:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 12:30:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 12:30:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-20 12:30:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-20 12:30:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_iovec [2022-11-20 12:30:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_iovec [2022-11-20 12:30:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:30:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:30:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 12:30:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 12:30:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure unix_accept [2022-11-20 12:30:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_accept [2022-11-20 12:30:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure unix_dgram_recvmsg [2022-11-20 12:30:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_dgram_recvmsg [2022-11-20 12:30:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:30:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:30:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 12:30:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 12:30:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:30:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure unix_wait_for_peer [2022-11-20 12:30:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_wait_for_peer [2022-11-20 12:30:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure unix_hash_fold [2022-11-20 12:30:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_hash_fold [2022-11-20 12:30:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure scan_inflight [2022-11-20 12:30:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_inflight [2022-11-20 12:30:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 12:30:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 12:30:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:30:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:30:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 12:30:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 12:30:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:30:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-20 12:30:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-20 12:30:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:30:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-11-20 12:30:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-11-20 12:30:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-11-20 12:30:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-11-20 12:30:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:30:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:30:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:30:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:30:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:30:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:30:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-11-20 12:30:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-11-20 12:30:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 12:30:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 12:30:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure unix_peer_get [2022-11-20 12:30:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_peer_get [2022-11-20 12:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure unix_bind [2022-11-20 12:30:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_bind [2022-11-20 12:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2022-11-20 12:30:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2022-11-20 12:30:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure unix_copy_addr [2022-11-20 12:30:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_copy_addr [2022-11-20 12:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-11-20 12:30:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-11-20 12:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 12:30:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 12:30:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 12:30:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 12:30:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:30:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:30:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure sock_poll_wait [2022-11-20 12:30:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_poll_wait [2022-11-20 12:30:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_find_socket_byname [2022-11-20 12:30:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_find_socket_byname [2022-11-20 12:30:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure sock_net [2022-11-20 12:30:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_net [2022-11-20 12:30:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:30:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:30:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:30:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:30:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure scm_recv [2022-11-20 12:30:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_recv [2022-11-20 12:30:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure unix_release [2022-11-20 12:30:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_release [2022-11-20 12:30:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:30:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:30:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-20 12:30:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-20 12:30:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_getsockopt [2022-11-20 12:30:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_getsockopt [2022-11-20 12:30:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure sock_alloc_send_pskb [2022-11-20 12:30:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_alloc_send_pskb [2022-11-20 12:30:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:30:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset [2022-11-20 12:30:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset [2022-11-20 12:30:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:30:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:30:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure unix_get_socket [2022-11-20 12:30:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_get_socket [2022-11-20 12:30:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:30:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure sk_unhashed [2022-11-20 12:30:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_unhashed [2022-11-20 12:30:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-20 12:30:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-20 12:30:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2022-11-20 12:30:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2022-11-20 12:30:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-20 12:30:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-20 12:30:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure scm_set_cred [2022-11-20 12:30:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_set_cred [2022-11-20 12:30:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-20 12:30:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-20 12:30:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 12:30:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-11-20 12:30:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:30:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wake_async [2022-11-20 12:30:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wake_async [2022-11-20 12:30:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:30:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 12:30:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 12:30:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_add_creds [2022-11-20 12:30:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_add_creds [2022-11-20 12:30:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-20 12:30:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-20 12:30:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_free_datagram [2022-11-20 12:30:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_free_datagram [2022-11-20 12:30:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:30:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:30:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_from_iovec [2022-11-20 12:30:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_from_iovec [2022-11-20 12:30:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure sock_prot_inuse_add [2022-11-20 12:30:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_prot_inuse_add [2022-11-20 12:30:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 12:30:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 12:30:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure sk_next [2022-11-20 12:30:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_next [2022-11-20 12:30:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_insert_socket [2022-11-20 12:30:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_insert_socket [2022-11-20 12:30:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure sock_error [2022-11-20 12:30:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_error [2022-11-20 12:30:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure __unix_remove_socket [2022-11-20 12:30:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __unix_remove_socket [2022-11-20 12:30:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2022-11-20 12:30:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2022-11-20 12:30:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:30:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:30:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-20 12:30:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-20 12:30:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:30:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:30:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure scm_fp_dup [2022-11-20 12:30:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_fp_dup [2022-11-20 12:30:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure security_unix_may_send [2022-11-20 12:30:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure security_unix_may_send [2022-11-20 12:30:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:30:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:30:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:30:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:30:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_mmap [2022-11-20 12:30:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_mmap [2022-11-20 12:30:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure scm_destroy_cred [2022-11-20 12:30:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure scm_destroy_cred [2022-11-20 12:30:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:30:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:30:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure put_cred [2022-11-20 12:30:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cred [2022-11-20 12:30:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_sync_key [2022-11-20 12:30:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_sync_key [2022-11-20 12:30:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-20 12:30:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-20 12:30:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure task_tgid [2022-11-20 12:30:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure task_tgid [2022-11-20 12:30:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:30:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:30:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 12:30:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 12:30:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_unix_gc [2022-11-20 12:30:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_unix_gc [2022-11-20 12:30:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-11-20 12:30:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-11-20 12:30:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure unix_next_socket [2022-11-20 12:30:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_next_socket [2022-11-20 12:30:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_setsockopt [2022-11-20 12:30:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_setsockopt [2022-11-20 12:30:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure sk_peek_offset_bwd [2022-11-20 12:30:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_peek_offset_bwd [2022-11-20 12:30:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 12:30:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 12:30:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure unix_writable [2022-11-20 12:30:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_writable [2022-11-20 12:30:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-11-20 12:30:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-11-20 12:30:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure unix_socketpair [2022-11-20 12:30:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_socketpair [2022-11-20 12:30:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure sock_no_sendpage [2022-11-20 12:30:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_no_sendpage [2022-11-20 12:30:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:30:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:30:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure unix_getname [2022-11-20 12:30:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_getname [2022-11-20 12:30:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure unix_ioctl [2022-11-20 12:30:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure unix_ioctl [2022-11-20 12:30:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_enable [2022-11-20 12:30:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_enable [2022-11-20 12:30:18,985 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:30:18,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:30:19,536 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:30:57,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:30:57,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:30:57,855 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:30:57,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:57 BoogieIcfgContainer [2022-11-20 12:30:57,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:30:57,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:30:57,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:30:57,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:30:57,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:30:11" (1/3) ... [2022-11-20 12:30:57,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c8f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:57, skipping insertion in model container [2022-11-20 12:30:57,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:16" (2/3) ... [2022-11-20 12:30:57,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c8f867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:57, skipping insertion in model container [2022-11-20 12:30:57,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:57" (3/3) ... [2022-11-20 12:30:57,880 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-net--unix--unix.ko-entry_point.cil.out.i [2022-11-20 12:30:57,906 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:30:57,907 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:30:58,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:30:58,087 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;@33dfe5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:30:58,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:30:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 2701 states, 1846 states have (on average 1.3504875406283856) internal successors, (2493), 1948 states have internal predecessors, (2493), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) [2022-11-20 12:30:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-20 12:30:58,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:58,179 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:30:58,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:30:58,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2089979953, now seen corresponding path program 1 times [2022-11-20 12:30:58,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:30:58,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564554737] [2022-11-20 12:30:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:58,221 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 12:30:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:30:58,231 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:30:58,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:01,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:01,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2022-11-20 12:31:01,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:01,202 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:01,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564554737] [2022-11-20 12:31:01,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564554737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:01,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:01,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:01,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275782278] [2022-11-20 12:31:01,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:01,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:01,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:01,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:01,300 INFO L87 Difference]: Start difference. First operand has 2701 states, 1846 states have (on average 1.3504875406283856) internal successors, (2493), 1948 states have internal predecessors, (2493), 697 states have call successors, (697), 157 states have call predecessors, (697), 156 states have return successors, (688), 672 states have call predecessors, (688), 688 states have call successors, (688) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:02,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:02,511 INFO L93 Difference]: Finished difference Result 7894 states and 11462 transitions. [2022-11-20 12:31:02,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 213 [2022-11-20 12:31:02,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:02,593 INFO L225 Difference]: With dead ends: 7894 [2022-11-20 12:31:02,593 INFO L226 Difference]: Without dead ends: 5145 [2022-11-20 12:31:02,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 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 12:31:02,628 INFO L413 NwaCegarLoop]: 4484 mSDtfsCounter, 3630 mSDsluCounter, 3733 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3630 SdHoareTripleChecker+Valid, 8217 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:02,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3630 Valid, 8217 Invalid, 56 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:31:02,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5145 states. [2022-11-20 12:31:03,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5145 to 5140. [2022-11-20 12:31:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5140 states, 3532 states have (on average 1.3411664779161947) internal successors, (4737), 3707 states have internal predecessors, (4737), 1299 states have call successors, (1299), 309 states have call predecessors, (1299), 308 states have return successors, (1298), 1269 states have call predecessors, (1298), 1298 states have call successors, (1298) [2022-11-20 12:31:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5140 states to 5140 states and 7334 transitions. [2022-11-20 12:31:03,157 INFO L78 Accepts]: Start accepts. Automaton has 5140 states and 7334 transitions. Word has length 213 [2022-11-20 12:31:03,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:03,164 INFO L495 AbstractCegarLoop]: Abstraction has 5140 states and 7334 transitions. [2022-11-20 12:31:03,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:03,165 INFO L276 IsEmpty]: Start isEmpty. Operand 5140 states and 7334 transitions. [2022-11-20 12:31:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-20 12:31:03,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:03,181 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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)] Forceful destruction successful, exit code 0 [2022-11-20 12:31:03,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:03,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:03,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:03,408 INFO L85 PathProgramCache]: Analyzing trace with hash 895663150, now seen corresponding path program 1 times [2022-11-20 12:31:03,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:03,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736360704] [2022-11-20 12:31:03,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:03,411 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 12:31:03,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:03,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:03,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:06,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:06,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2022-11-20 12:31:06,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:06,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:06,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736360704] [2022-11-20 12:31:06,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736360704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:06,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:06,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:06,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001374589] [2022-11-20 12:31:06,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:06,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:06,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:06,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:06,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:06,202 INFO L87 Difference]: Start difference. First operand 5140 states and 7334 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:07,293 INFO L93 Difference]: Finished difference Result 14599 states and 20717 transitions. [2022-11-20 12:31:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:07,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 214 [2022-11-20 12:31:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:07,564 INFO L225 Difference]: With dead ends: 14599 [2022-11-20 12:31:07,564 INFO L226 Difference]: Without dead ends: 9518 [2022-11-20 12:31:07,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 12:31:07,597 INFO L413 NwaCegarLoop]: 4547 mSDtfsCounter, 3257 mSDsluCounter, 3690 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 8237 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:07,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 8237 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:31:07,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9518 states. [2022-11-20 12:31:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9518 to 9511. [2022-11-20 12:31:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9511 states, 6541 states have (on average 1.33756306375172) internal successors, (8749), 6880 states have internal predecessors, (8749), 2357 states have call successors, (2357), 613 states have call predecessors, (2357), 612 states have return successors, (2356), 2301 states have call predecessors, (2356), 2356 states have call successors, (2356) [2022-11-20 12:31:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9511 states to 9511 states and 13462 transitions. [2022-11-20 12:31:08,218 INFO L78 Accepts]: Start accepts. Automaton has 9511 states and 13462 transitions. Word has length 214 [2022-11-20 12:31:08,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:08,220 INFO L495 AbstractCegarLoop]: Abstraction has 9511 states and 13462 transitions. [2022-11-20 12:31:08,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 9511 states and 13462 transitions. [2022-11-20 12:31:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-20 12:31:08,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:08,230 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:08,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:08,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:08,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:08,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2100209579, now seen corresponding path program 1 times [2022-11-20 12:31:08,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:08,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1073249210] [2022-11-20 12:31:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:08,449 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 12:31:08,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:08,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:08,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:11,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 1770 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:11,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked. [2022-11-20 12:31:11,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:11,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:11,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1073249210] [2022-11-20 12:31:11,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1073249210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:11,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:11,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:11,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149046392] [2022-11-20 12:31:11,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:11,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:11,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:11,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:11,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:11,308 INFO L87 Difference]: Start difference. First operand 9511 states and 13462 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:12,620 INFO L93 Difference]: Finished difference Result 25865 states and 36470 transitions. [2022-11-20 12:31:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:12,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 220 [2022-11-20 12:31:12,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:12,782 INFO L225 Difference]: With dead ends: 25865 [2022-11-20 12:31:12,782 INFO L226 Difference]: Without dead ends: 16413 [2022-11-20 12:31:12,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 218 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 12:31:12,858 INFO L413 NwaCegarLoop]: 6480 mSDtfsCounter, 3612 mSDsluCounter, 3690 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3612 SdHoareTripleChecker+Valid, 10170 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:12,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3612 Valid, 10170 Invalid, 56 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:31:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16413 states. [2022-11-20 12:31:14,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16413 to 16410. [2022-11-20 12:31:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16410 states, 11331 states have (on average 1.334392374900715) internal successors, (15120), 11915 states have internal predecessors, (15120), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2022-11-20 12:31:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16410 states to 16410 states and 23089 transitions. [2022-11-20 12:31:14,194 INFO L78 Accepts]: Start accepts. Automaton has 16410 states and 23089 transitions. Word has length 220 [2022-11-20 12:31:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:14,196 INFO L495 AbstractCegarLoop]: Abstraction has 16410 states and 23089 transitions. [2022-11-20 12:31:14,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:31:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 16410 states and 23089 transitions. [2022-11-20 12:31:14,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-20 12:31:14,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:14,228 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:14,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:14,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:14,455 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1854625547, now seen corresponding path program 1 times [2022-11-20 12:31:14,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:14,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639751931] [2022-11-20 12:31:14,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:14,459 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 12:31:14,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:14,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:14,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:17,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 2218 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:31:17,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4906 backedges. 2466 proven. 0 refuted. 0 times theorem prover too weak. 2440 trivial. 0 not checked. [2022-11-20 12:31:17,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:17,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:17,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639751931] [2022-11-20 12:31:17,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639751931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:17,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:17,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:31:17,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653136727] [2022-11-20 12:31:17,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:17,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:31:17,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:17,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:31:17,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:31:17,903 INFO L87 Difference]: Start difference. First operand 16410 states and 23089 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 12:31:20,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:31:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:21,298 INFO L93 Difference]: Finished difference Result 32785 states and 46120 transitions. [2022-11-20 12:31:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:31:21,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 369 [2022-11-20 12:31:21,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:21,433 INFO L225 Difference]: With dead ends: 32785 [2022-11-20 12:31:21,434 INFO L226 Difference]: Without dead ends: 16403 [2022-11-20 12:31:21,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:31:21,520 INFO L413 NwaCegarLoop]: 3828 mSDtfsCounter, 6 mSDsluCounter, 11479 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15307 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:21,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15307 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 12:31:21,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16403 states. [2022-11-20 12:31:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16403 to 16375. [2022-11-20 12:31:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16375 states, 11296 states have (on average 1.3340120396600565) internal successors, (15069), 11880 states have internal predecessors, (15069), 3985 states have call successors, (3985), 1094 states have call predecessors, (3985), 1093 states have return successors, (3984), 3889 states have call predecessors, (3984), 3984 states have call successors, (3984) [2022-11-20 12:31:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16375 states to 16375 states and 23038 transitions. [2022-11-20 12:31:22,710 INFO L78 Accepts]: Start accepts. Automaton has 16375 states and 23038 transitions. Word has length 369 [2022-11-20 12:31:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:22,711 INFO L495 AbstractCegarLoop]: Abstraction has 16375 states and 23038 transitions. [2022-11-20 12:31:22,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 2 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-20 12:31:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 16375 states and 23038 transitions. [2022-11-20 12:31:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-11-20 12:31:22,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:22,741 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:22,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:22,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:22,967 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:22,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:22,968 INFO L85 PathProgramCache]: Analyzing trace with hash 2017872025, now seen corresponding path program 1 times [2022-11-20 12:31:22,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:22,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908287709] [2022-11-20 12:31:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:22,972 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 12:31:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:22,974 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:23,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:26,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 2227 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:31:26,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:28,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4906 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4906 trivial. 0 not checked. [2022-11-20 12:31:28,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:28,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:28,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908287709] [2022-11-20 12:31:28,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908287709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:28,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:28,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:31:28,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751763476] [2022-11-20 12:31:28,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:28,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:28,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:28,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:28,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:28,773 INFO L87 Difference]: Start difference. First operand 16375 states and 23038 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-20 12:31:30,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:30,093 INFO L93 Difference]: Finished difference Result 27323 states and 38331 transitions. [2022-11-20 12:31:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 371 [2022-11-20 12:31:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:30,344 INFO L225 Difference]: With dead ends: 27323 [2022-11-20 12:31:30,344 INFO L226 Difference]: Without dead ends: 27320 [2022-11-20 12:31:30,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 369 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 12:31:30,365 INFO L413 NwaCegarLoop]: 4576 mSDtfsCounter, 2902 mSDsluCounter, 3217 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 7793 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:30,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 7793 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:31:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27320 states. [2022-11-20 12:31:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27320 to 26838. [2022-11-20 12:31:32,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26838 states, 18889 states have (on average 1.3410979935412144) internal successors, (25332), 19740 states have internal predecessors, (25332), 5996 states have call successors, (5996), 1964 states have call predecessors, (5996), 1952 states have return successors, (6192), 5814 states have call predecessors, (6192), 5995 states have call successors, (6192) [2022-11-20 12:31:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26838 states to 26838 states and 37520 transitions. [2022-11-20 12:31:32,419 INFO L78 Accepts]: Start accepts. Automaton has 26838 states and 37520 transitions. Word has length 371 [2022-11-20 12:31:32,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:32,424 INFO L495 AbstractCegarLoop]: Abstraction has 26838 states and 37520 transitions. [2022-11-20 12:31:32,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2022-11-20 12:31:32,425 INFO L276 IsEmpty]: Start isEmpty. Operand 26838 states and 37520 transitions. [2022-11-20 12:31:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-20 12:31:32,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:32,505 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:32,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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)] Ended with exit code 0 [2022-11-20 12:31:32,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:32,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:32,732 INFO L85 PathProgramCache]: Analyzing trace with hash 274712941, now seen corresponding path program 1 times [2022-11-20 12:31:32,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:32,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737906709] [2022-11-20 12:31:32,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:32,735 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 12:31:32,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:32,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:32,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:35,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:35,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:35,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 2473 proven. 0 refuted. 0 times theorem prover too weak. 2442 trivial. 0 not checked. [2022-11-20 12:31:35,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:35,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:35,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737906709] [2022-11-20 12:31:35,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737906709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:35,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:35,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:35,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325351078] [2022-11-20 12:31:35,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:35,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:35,860 INFO L87 Difference]: Start difference. First operand 26838 states and 37520 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 12:31:38,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:38,294 INFO L93 Difference]: Finished difference Result 79035 states and 110452 transitions. [2022-11-20 12:31:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:38,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 397 [2022-11-20 12:31:38,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:38,705 INFO L225 Difference]: With dead ends: 79035 [2022-11-20 12:31:38,705 INFO L226 Difference]: Without dead ends: 52265 [2022-11-20 12:31:38,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 395 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 12:31:38,826 INFO L413 NwaCegarLoop]: 6780 mSDtfsCounter, 3650 mSDsluCounter, 3722 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3650 SdHoareTripleChecker+Valid, 10502 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:38,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3650 Valid, 10502 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:31:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52265 states. [2022-11-20 12:31:42,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52265 to 52254. [2022-11-20 12:31:42,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52254 states, 36687 states have (on average 1.3394390383514596) internal successors, (49140), 38391 states have internal predecessors, (49140), 11736 states have call successors, (11736), 3853 states have call predecessors, (11736), 3830 states have return successors, (12129), 11371 states have call predecessors, (12129), 11735 states have call successors, (12129) [2022-11-20 12:31:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52254 states to 52254 states and 73005 transitions. [2022-11-20 12:31:42,578 INFO L78 Accepts]: Start accepts. Automaton has 52254 states and 73005 transitions. Word has length 397 [2022-11-20 12:31:42,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:42,579 INFO L495 AbstractCegarLoop]: Abstraction has 52254 states and 73005 transitions. [2022-11-20 12:31:42,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 12:31:42,580 INFO L276 IsEmpty]: Start isEmpty. Operand 52254 states and 73005 transitions. [2022-11-20 12:31:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-20 12:31:42,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:42,768 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:31:42,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:42,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:42,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:31:42,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:42,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1813642288, now seen corresponding path program 1 times [2022-11-20 12:31:42,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:42,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950218775] [2022-11-20 12:31:42,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:42,988 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 12:31:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:42,990 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:43,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:31:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:46,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 2291 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 12:31:46,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4919 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4911 trivial. 0 not checked. [2022-11-20 12:31:46,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:46,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:46,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950218775] [2022-11-20 12:31:46,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950218775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:46,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:46,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:31:46,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721080642] [2022-11-20 12:31:46,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:46,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:31:46,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:46,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:31:46,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:31:46,800 INFO L87 Difference]: Start difference. First operand 52254 states and 73005 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 12:31:48,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:31:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:58,585 INFO L93 Difference]: Finished difference Result 156642 states and 218833 transitions. [2022-11-20 12:31:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:31:58,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 398 [2022-11-20 12:31:58,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:59,389 INFO L225 Difference]: With dead ends: 156642 [2022-11-20 12:31:59,390 INFO L226 Difference]: Without dead ends: 104456 [2022-11-20 12:31:59,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:31:59,608 INFO L413 NwaCegarLoop]: 7259 mSDtfsCounter, 4310 mSDsluCounter, 10374 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 365 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4310 SdHoareTripleChecker+Valid, 17633 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:59,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4310 Valid, 17633 Invalid, 566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [365 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 12:31:59,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104456 states. [2022-11-20 12:32:07,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104456 to 104429. [2022-11-20 12:32:07,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104429 states, 73329 states have (on average 1.3394155109165542) internal successors, (98218), 76745 states have internal predecessors, (98218), 23440 states have call successors, (23440), 7704 states have call predecessors, (23440), 7659 states have return successors, (24227), 22703 states have call predecessors, (24227), 23439 states have call successors, (24227) [2022-11-20 12:32:08,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104429 states to 104429 states and 145885 transitions. [2022-11-20 12:32:08,457 INFO L78 Accepts]: Start accepts. Automaton has 104429 states and 145885 transitions. Word has length 398 [2022-11-20 12:32:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:32:08,459 INFO L495 AbstractCegarLoop]: Abstraction has 104429 states and 145885 transitions. [2022-11-20 12:32:08,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 12:32:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 104429 states and 145885 transitions. [2022-11-20 12:32:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-20 12:32:08,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:32:08,592 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:32:08,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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)] Forceful destruction successful, exit code 0 [2022-11-20 12:32:08,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:32:08,820 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:32:08,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:32:08,820 INFO L85 PathProgramCache]: Analyzing trace with hash 804555119, now seen corresponding path program 1 times [2022-11-20 12:32:08,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:32:08,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37660730] [2022-11-20 12:32:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:32:08,824 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 12:32:08,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:32:08,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 12:32:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b583973d-2b47-4200-b126-a8f39abf2ef9/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 (9)] Waiting until timeout for monitored process [2022-11-20 12:32:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:32:12,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-20 12:32:12,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:32:18,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2022-11-20 12:32:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 301 proven. 6 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2022-11-20 12:32:18,981 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:32:21,259 INFO L321 Elim1Store]: treesize reduction 134, result has 34.6 percent of original size [2022-11-20 12:32:21,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 96 [2022-11-20 12:32:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4915 backedges. 96 proven. 13 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2022-11-20 12:32:53,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:32:53,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37660730] [2022-11-20 12:32:53,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37660730] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:32:53,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:32:53,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2022-11-20 12:32:53,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390870927] [2022-11-20 12:32:53,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:32:53,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 12:32:53,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:32:53,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 12:32:53,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-11-20 12:32:53,474 INFO L87 Difference]: Start difference. First operand 104429 states and 145885 transitions. Second operand has 24 states, 24 states have (on average 11.125) internal successors, (267), 20 states have internal predecessors, (267), 13 states have call successors, (115), 8 states have call predecessors, (115), 8 states have return successors, (110), 13 states have call predecessors, (110), 11 states have call successors, (110) [2022-11-20 12:32:55,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:32:57,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:32:59,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:01,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:03,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:05,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:07,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:09,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:11,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:33:13,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:29,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:34,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:36,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:38,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:40,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:41,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:44,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:45,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:46,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:34:48,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:04,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:06,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:08,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:12,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:14,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:26,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:28,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:29,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:30,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:31,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:45,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:48,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:51,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:52,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:54,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:55,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:58,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:35:59,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:00,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:02,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:40,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:44,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:46,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:48,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:50,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:51,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:36:53,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:07,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:09,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:10,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:13,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:16,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:18,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:20,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:21,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:23,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:25,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:27,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:29,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:30,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:31,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:34,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:36,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:38,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:40,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:44,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:46,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:48,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:49,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:51,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:53,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:55,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:57,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:37:59,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:01,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:03,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:07,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:10,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:12,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:13,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:15,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:16,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:21,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:54,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:56,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:57,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:38:59,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:02,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:04,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:12,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:14,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:16,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:18,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:31,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:33,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:35,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:37,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:39,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:41,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:43,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:45,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:47,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:49,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:51,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:53,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:39:55,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:20,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:22,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:24,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:25,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:27,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:29,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:33,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:35,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:37,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:40:39,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:12,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:27,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:29,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:44,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:45,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:47,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:48,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:50,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:52,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:54,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:56,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:58,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:41:59,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:01,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:10,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:11,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:13,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:14,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:40,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:42:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:42:45,060 INFO L93 Difference]: Finished difference Result 509462 states and 728398 transitions. [2022-11-20 12:42:45,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 12:42:45,061 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 11.125) internal successors, (267), 20 states have internal predecessors, (267), 13 states have call successors, (115), 8 states have call predecessors, (115), 8 states have return successors, (110), 13 states have call predecessors, (110), 11 states have call successors, (110) Word has length 397 [2022-11-20 12:42:45,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:42:48,306 INFO L225 Difference]: With dead ends: 509462 [2022-11-20 12:42:48,306 INFO L226 Difference]: Without dead ends: 405101 [2022-11-20 12:42:48,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 821 GetRequests, 773 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=446, Invalid=2004, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 12:42:48,838 INFO L413 NwaCegarLoop]: 7084 mSDtfsCounter, 21426 mSDsluCounter, 77534 mSDsCounter, 0 mSdLazyCounter, 34601 mSolverCounterSat, 7396 mSolverCounterUnsat, 70 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 524.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21491 SdHoareTripleChecker+Valid, 84618 SdHoareTripleChecker+Invalid, 42707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.8s SdHoareTripleChecker+Time, 7396 IncrementalHoareTripleChecker+Valid, 34601 IncrementalHoareTripleChecker+Invalid, 70 IncrementalHoareTripleChecker+Unknown, 640 IncrementalHoareTripleChecker+Unchecked, 546.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:42:48,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21491 Valid, 84618 Invalid, 42707 Unknown, 0 Unchecked, 0.8s Time], IncrementalHoareTripleChecker [7396 Valid, 34601 Invalid, 70 Unknown, 640 Unchecked, 546.2s Time] [2022-11-20 12:42:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405101 states.