./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.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_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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_abcf75b6-5053-4fc8-b531-3b2ada53baec/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 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:52,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:52,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:52,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:52,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:52,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:52,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:52,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:52,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:52,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:52,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:52,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:52,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:52,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:52,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:52,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:52,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:52,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:52,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:52,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:52,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:52,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:52,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:52,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:52,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:52,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:52,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:52,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:52,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:52,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:52,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:52,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:52,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:52,500 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:52,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:52,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:52,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:52,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:52,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:52,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:52,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:52,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:30:52,545 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:52,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:52,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:52,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:52,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:52,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:52,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:52,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:52,549 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:52,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:52,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:52,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:52,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:52,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:52,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:52,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:52,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:52,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:52,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:52,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:52,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:52,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:52,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:52,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:52,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:52,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:52,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:52,556 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:52,557 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:52,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:52,558 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2022-11-20 10:30:52,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:52,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:52,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:52,926 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:52,927 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:52,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-20 10:30:56,022 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:56,847 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:56,847 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-20 10:30:56,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/628dbb35a/6dd2f9691cbe43a38e13f3544cfe7d83/FLAG38275b7b8 [2022-11-20 10:30:56,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/628dbb35a/6dd2f9691cbe43a38e13f3544cfe7d83 [2022-11-20 10:30:56,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:56,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:56,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:56,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:56,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:56,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:56" (1/1) ... [2022-11-20 10:30:56,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73807f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:56, skipping insertion in model container [2022-11-20 10:30:56,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:56" (1/1) ... [2022-11-20 10:30:56,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:57,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:58,162 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 10:30:58,172 INFO L158 Benchmark]: Toolchain (without parser) took 1232.31ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 94.2MB in the end (delta: 17.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-11-20 10:30:58,172 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:58,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.00ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 94.2MB in the end (delta: 17.2MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-11-20 10:30:58,176 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 125.8MB. Free memory was 68.4MB in the beginning and 68.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.00ms. Allocated memory is still 169.9MB. Free memory was 111.3MB in the beginning and 94.2MB in the end (delta: 17.2MB). Peak memory consumption was 80.0MB. 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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_abcf75b6-5053-4fc8-b531-3b2ada53baec/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 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:31:00,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:00,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:00,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:00,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:00,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:00,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:00,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:00,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:00,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:00,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:00,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:00,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:00,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:00,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:00,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:00,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:00,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:00,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:00,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:00,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:00,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:00,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:00,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:00,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:00,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:00,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:00,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:00,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:00,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:00,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:00,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:00,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:00,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:00,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:00,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:00,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:00,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:00,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:00,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:00,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:00,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:31:00,746 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:00,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:00,747 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:00,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:00,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:00,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:00,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:00,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:00,750 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:00,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:00,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:00,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:00,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:00,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:00,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:31:00,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:31:00,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:31:00,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:00,753 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:00,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:00,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:00,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:00,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:00,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:00,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:00,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:00,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:00,756 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:31:00,756 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:31:00,756 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:00,756 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:00,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:00,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:31:00,757 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24e26672720ca570553d18d605e2ce47cd111ea61f1f4153430b6ee115172355 [2022-11-20 10:31:01,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:01,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:01,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:01,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:01,164 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:01,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-20 10:31:04,246 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:05,026 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:05,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-20 10:31:05,129 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/f09230227/de60168970b740bbaa299f76537753ee/FLAGdce5d9e8e [2022-11-20 10:31:05,163 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/data/f09230227/de60168970b740bbaa299f76537753ee [2022-11-20 10:31:05,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:05,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:05,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:05,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:05,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:05,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:05" (1/1) ... [2022-11-20 10:31:05,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ff8e13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:05, skipping insertion in model container [2022-11-20 10:31:05,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:05" (1/1) ... [2022-11-20 10:31:05,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:05,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:09,722 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2022-11-20 10:31:09,726 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2022-11-20 10:31:09,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:09,859 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:31:10,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:10,598 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2022-11-20 10:31:10,598 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2022-11-20 10:31:10,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:10,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:11,728 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588527,588540] [2022-11-20 10:31:11,729 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_abcf75b6-5053-4fc8-b531-3b2ada53baec/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588672,588685] [2022-11-20 10:31:11,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:12,064 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:12,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12 WrapperNode [2022-11-20 10:31:12,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:12,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:12,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:12,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:12,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,476 INFO L138 Inliner]: procedures = 550, calls = 4349, calls flagged for inlining = 264, calls inlined = 251, statements flattened = 8308 [2022-11-20 10:31:12,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:12,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:12,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:12,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:12,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:12,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:13,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:13,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:13,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:13,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:13,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (1/1) ... [2022-11-20 10:31:13,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:13,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:13,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:13,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-11-20 10:31:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-11-20 10:31:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:31:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:31:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2022-11-20 10:31:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2022-11-20 10:31:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2022-11-20 10:31:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2022-11-20 10:31:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-11-20 10:31:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-11-20 10:31:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:31:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:31:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2022-11-20 10:31:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2022-11-20 10:31:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-11-20 10:31:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-11-20 10:31:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-11-20 10:31:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-11-20 10:31:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 10:31:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 10:31:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2022-11-20 10:31:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2022-11-20 10:31:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2022-11-20 10:31:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2022-11-20 10:31:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-11-20 10:31:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~C_INT [2022-11-20 10:31:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2022-11-20 10:31:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2022-11-20 10:31:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2022-11-20 10:31:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2022-11-20 10:31:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2022-11-20 10:31:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2022-11-20 10:31:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:31:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:31:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-11-20 10:31:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-11-20 10:31:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2022-11-20 10:31:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2022-11-20 10:31:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-11-20 10:31:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-11-20 10:31:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2022-11-20 10:31:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2022-11-20 10:31:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-11-20 10:31:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-11-20 10:31:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2022-11-20 10:31:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2022-11-20 10:31:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2022-11-20 10:31:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2022-11-20 10:31:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:31:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:31:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:31:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:31:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:31:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:31:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-20 10:31:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-20 10:31:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-11-20 10:31:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-11-20 10:31:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:31:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:31:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2022-11-20 10:31:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2022-11-20 10:31:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2022-11-20 10:31:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2022-11-20 10:31:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-11-20 10:31:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-11-20 10:31:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2022-11-20 10:31:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2022-11-20 10:31:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-11-20 10:31:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-11-20 10:31:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2022-11-20 10:31:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2022-11-20 10:31:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:31:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2022-11-20 10:31:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2022-11-20 10:31:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:31:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:31:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2022-11-20 10:31:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2022-11-20 10:31:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:31:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2022-11-20 10:31:13,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:31:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-11-20 10:31:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-11-20 10:31:13,122 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-11-20 10:31:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:31:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:31:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2022-11-20 10:31:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2022-11-20 10:31:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2022-11-20 10:31:13,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2022-11-20 10:31:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:31:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:31:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-20 10:31:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-20 10:31:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2022-11-20 10:31:13,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2022-11-20 10:31:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:31:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:31:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2022-11-20 10:31:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2022-11-20 10:31:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:31:13,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:31:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2022-11-20 10:31:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2022-11-20 10:31:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-11-20 10:31:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-11-20 10:31:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 10:31:13,126 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 10:31:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2022-11-20 10:31:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2022-11-20 10:31:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:31:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:31:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2022-11-20 10:31:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2022-11-20 10:31:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-11-20 10:31:13,127 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-11-20 10:31:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 10:31:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 10:31:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2022-11-20 10:31:13,128 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2022-11-20 10:31:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:31:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:31:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:31:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:31:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:31:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:31:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:31:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 10:31:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 10:31:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-11-20 10:31:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-11-20 10:31:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:31:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:31:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:31:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2022-11-20 10:31:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2022-11-20 10:31:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:31:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:31:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2022-11-20 10:31:13,131 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2022-11-20 10:31:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:31:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 10:31:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 10:31:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 10:31:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-11-20 10:31:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-11-20 10:31:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2022-11-20 10:31:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2022-11-20 10:31:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:31:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:31:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2022-11-20 10:31:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2022-11-20 10:31:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:31:13,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:31:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-11-20 10:31:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-11-20 10:31:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2022-11-20 10:31:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2022-11-20 10:31:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2022-11-20 10:31:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2022-11-20 10:31:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2022-11-20 10:31:13,134 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2022-11-20 10:31:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2022-11-20 10:31:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2022-11-20 10:31:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2022-11-20 10:31:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2022-11-20 10:31:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2022-11-20 10:31:13,135 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2022-11-20 10:31:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2022-11-20 10:31:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2022-11-20 10:31:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-20 10:31:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-20 10:31:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 10:31:13,136 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 10:31:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-11-20 10:31:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-11-20 10:31:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2022-11-20 10:31:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2022-11-20 10:31:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 10:31:13,137 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 10:31:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:31:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 10:31:13,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 10:31:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:31:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:31:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:31:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:31:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2022-11-20 10:31:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2022-11-20 10:31:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2022-11-20 10:31:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2022-11-20 10:31:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2022-11-20 10:31:13,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2022-11-20 10:31:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2022-11-20 10:31:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2022-11-20 10:31:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-11-20 10:31:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-11-20 10:31:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:31:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:31:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2022-11-20 10:31:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2022-11-20 10:31:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:31:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:31:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2022-11-20 10:31:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2022-11-20 10:31:13,141 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2022-11-20 10:31:13,141 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2022-11-20 10:31:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2022-11-20 10:31:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2022-11-20 10:31:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-20 10:31:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2022-11-20 10:31:13,142 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2022-11-20 10:31:13,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2022-11-20 10:31:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-20 10:31:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-20 10:31:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-20 10:31:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-20 10:31:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:31:13,143 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:31:13,143 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:31:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:31:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2022-11-20 10:31:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2022-11-20 10:31:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2022-11-20 10:31:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2022-11-20 10:31:13,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2022-11-20 10:31:13,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2022-11-20 10:31:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:31:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:31:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-11-20 10:31:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-11-20 10:31:13,145 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2022-11-20 10:31:13,145 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2022-11-20 10:31:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:31:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:31:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:31:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-11-20 10:31:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-11-20 10:31:13,146 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:31:13,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:31:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2022-11-20 10:31:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2022-11-20 10:31:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 10:31:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 10:31:13,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:31:13,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:31:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 10:31:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 10:31:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:31:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:31:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-11-20 10:31:13,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-11-20 10:31:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:31:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:31:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-11-20 10:31:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-11-20 10:31:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2022-11-20 10:31:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2022-11-20 10:31:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:31:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:31:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:31:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:31:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:31:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:31:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:31:13,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:31:13,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:31:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2022-11-20 10:31:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2022-11-20 10:31:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2022-11-20 10:31:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2022-11-20 10:31:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 10:31:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 10:31:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2022-11-20 10:31:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2022-11-20 10:31:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 10:31:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~VOID [2022-11-20 10:31:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 10:31:13,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 10:31:13,152 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2022-11-20 10:31:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2022-11-20 10:31:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2022-11-20 10:31:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2022-11-20 10:31:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2022-11-20 10:31:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2022-11-20 10:31:13,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:31:13,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:31:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 10:31:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 10:31:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 10:31:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 10:31:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2022-11-20 10:31:13,154 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2022-11-20 10:31:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 10:31:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 10:31:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2022-11-20 10:31:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2022-11-20 10:31:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2022-11-20 10:31:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2022-11-20 10:31:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 10:31:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 10:31:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2022-11-20 10:31:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2022-11-20 10:31:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2022-11-20 10:31:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2022-11-20 10:31:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:31:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:31:14,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:14,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:15,760 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:33:11,001 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:33:11,196 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:33:11,217 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:33:11,217 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 10:33:11,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:11 BoogieIcfgContainer [2022-11-20 10:33:11,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:33:11,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:33:11,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:33:11,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:33:11,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:05" (1/3) ... [2022-11-20 10:33:11,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb0a547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:11, skipping insertion in model container [2022-11-20 10:33:11,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:12" (2/3) ... [2022-11-20 10:33:11,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fb0a547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:11, skipping insertion in model container [2022-11-20 10:33:11,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:11" (3/3) ... [2022-11-20 10:33:11,231 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2022-11-20 10:33:11,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:33:11,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:33:11,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:33:11,376 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;@74701390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:33:11,376 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:33:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 2864 states, 1953 states have (on average 1.2657450076804915) internal successors, (2472), 1967 states have internal predecessors, (2472), 765 states have call successors, (765), 146 states have call predecessors, (765), 145 states have return successors, (758), 757 states have call predecessors, (758), 758 states have call successors, (758) [2022-11-20 10:33:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2022-11-20 10:33:11,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:11,453 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:11,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:11,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:11,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1989677137, now seen corresponding path program 1 times [2022-11-20 10:33:11,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:11,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787082108] [2022-11-20 10:33:11,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:11,494 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:11,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:33:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:21,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 6801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:21,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2022-11-20 10:33:22,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:22,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:22,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787082108] [2022-11-20 10:33:22,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787082108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:22,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:22,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:22,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825464778] [2022-11-20 10:33:22,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:22,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:22,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:22,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:22,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:22,251 INFO L87 Difference]: Start difference. First operand has 2864 states, 1953 states have (on average 1.2657450076804915) internal successors, (2472), 1967 states have internal predecessors, (2472), 765 states have call successors, (765), 146 states have call predecessors, (765), 145 states have return successors, (758), 757 states have call predecessors, (758), 758 states have call successors, (758) Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-20 10:33:25,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:33:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:27,101 INFO L93 Difference]: Finished difference Result 8124 states and 11416 transitions. [2022-11-20 10:33:27,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:27,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 579 [2022-11-20 10:33:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:27,179 INFO L225 Difference]: With dead ends: 8124 [2022-11-20 10:33:27,183 INFO L226 Difference]: Without dead ends: 5277 [2022-11-20 10:33:27,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:27,216 INFO L413 NwaCegarLoop]: 4621 mSDtfsCounter, 3439 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3439 SdHoareTripleChecker+Valid, 8469 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:27,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3439 Valid, 8469 Invalid, 146 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-20 10:33:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2022-11-20 10:33:27,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 5271. [2022-11-20 10:33:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5271 states, 3637 states have (on average 1.2617541930162222) internal successors, (4589), 3665 states have internal predecessors, (4589), 1347 states have call successors, (1347), 286 states have call predecessors, (1347), 286 states have return successors, (1347), 1343 states have call predecessors, (1347), 1347 states have call successors, (1347) [2022-11-20 10:33:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 5271 states and 7283 transitions. [2022-11-20 10:33:27,662 INFO L78 Accepts]: Start accepts. Automaton has 5271 states and 7283 transitions. Word has length 579 [2022-11-20 10:33:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:27,666 INFO L495 AbstractCegarLoop]: Abstraction has 5271 states and 7283 transitions. [2022-11-20 10:33:27,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-11-20 10:33:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 5271 states and 7283 transitions. [2022-11-20 10:33:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2022-11-20 10:33:27,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:27,694 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:27,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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 10:33:27,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:27,895 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:27,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:27,895 INFO L85 PathProgramCache]: Analyzing trace with hash -771345879, now seen corresponding path program 1 times [2022-11-20 10:33:27,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:27,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013804282] [2022-11-20 10:33:27,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:27,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:27,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:27,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:27,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:33:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:38,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 6776 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:38,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2022-11-20 10:33:38,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:38,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:38,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013804282] [2022-11-20 10:33:38,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1013804282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:38,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:38,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022475212] [2022-11-20 10:33:38,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:38,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:38,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:38,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:38,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:38,659 INFO L87 Difference]: Start difference. First operand 5271 states and 7283 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-20 10:33:42,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:33:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:43,051 INFO L93 Difference]: Finished difference Result 15221 states and 21009 transitions. [2022-11-20 10:33:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:43,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 586 [2022-11-20 10:33:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:43,128 INFO L225 Difference]: With dead ends: 15221 [2022-11-20 10:33:43,128 INFO L226 Difference]: Without dead ends: 10053 [2022-11-20 10:33:43,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:43,157 INFO L413 NwaCegarLoop]: 4661 mSDtfsCounter, 3445 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 8511 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:43,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 8511 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-20 10:33:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10053 states. [2022-11-20 10:33:43,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10053 to 10049. [2022-11-20 10:33:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10049 states, 6979 states have (on average 1.2639346611262359) internal successors, (8821), 7033 states have internal predecessors, (8821), 2511 states have call successors, (2511), 558 states have call predecessors, (2511), 558 states have return successors, (2511), 2501 states have call predecessors, (2511), 2511 states have call successors, (2511) [2022-11-20 10:33:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10049 states to 10049 states and 13843 transitions. [2022-11-20 10:33:43,786 INFO L78 Accepts]: Start accepts. Automaton has 10049 states and 13843 transitions. Word has length 586 [2022-11-20 10:33:43,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:43,791 INFO L495 AbstractCegarLoop]: Abstraction has 10049 states and 13843 transitions. [2022-11-20 10:33:43,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-20 10:33:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 10049 states and 13843 transitions. [2022-11-20 10:33:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2022-11-20 10:33:43,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:43,807 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 49, 49, 49, 49, 49, 49, 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] [2022-11-20 10:33:43,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:44,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:44,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash -306369830, now seen corresponding path program 1 times [2022-11-20 10:33:44,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:44,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962272216] [2022-11-20 10:33:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:44,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:44,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:33:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:54,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 6834 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:33:54,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 10884 backedges. 300 proven. 0 refuted. 0 times theorem prover too weak. 10584 trivial. 0 not checked. [2022-11-20 10:33:54,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:54,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:54,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962272216] [2022-11-20 10:33:54,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962272216] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:54,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:54,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:33:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775957102] [2022-11-20 10:33:54,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:54,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:33:54,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:54,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:33:54,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:54,512 INFO L87 Difference]: Start difference. First operand 10049 states and 13843 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 10:33:58,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:33:58,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:58,919 INFO L93 Difference]: Finished difference Result 22250 states and 30593 transitions. [2022-11-20 10:33:58,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:33:58,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 604 [2022-11-20 10:33:58,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:59,031 INFO L225 Difference]: With dead ends: 22250 [2022-11-20 10:33:59,032 INFO L226 Difference]: Without dead ends: 12304 [2022-11-20 10:33:59,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 602 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:33:59,081 INFO L413 NwaCegarLoop]: 4570 mSDtfsCounter, 3038 mSDsluCounter, 3842 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3038 SdHoareTripleChecker+Valid, 8412 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:59,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3038 Valid, 8412 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-20 10:33:59,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12304 states. [2022-11-20 10:33:59,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12304 to 12302. [2022-11-20 10:33:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12302 states, 8556 states have (on average 1.2633239831697054) internal successors, (10809), 8621 states have internal predecessors, (10809), 3042 states have call successors, (3042), 703 states have call predecessors, (3042), 703 states have return successors, (3042), 3031 states have call predecessors, (3042), 3042 states have call successors, (3042) [2022-11-20 10:33:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12302 states to 12302 states and 16893 transitions. [2022-11-20 10:33:59,982 INFO L78 Accepts]: Start accepts. Automaton has 12302 states and 16893 transitions. Word has length 604 [2022-11-20 10:33:59,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:59,984 INFO L495 AbstractCegarLoop]: Abstraction has 12302 states and 16893 transitions. [2022-11-20 10:33:59,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-11-20 10:33:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 12302 states and 16893 transitions. [2022-11-20 10:33:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-11-20 10:33:59,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:59,997 INFO L195 NwaCegarLoop]: trace histogram [52, 52, 51, 51, 51, 51, 51, 51, 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] [2022-11-20 10:34:00,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:00,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:00,198 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:00,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:00,199 INFO L85 PathProgramCache]: Analyzing trace with hash -92658997, now seen corresponding path program 1 times [2022-11-20 10:34:00,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:00,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137066423] [2022-11-20 10:34:00,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:00,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:00,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:00,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:00,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:34:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:10,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 6825 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:10,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 11633 backedges. 1035 proven. 0 refuted. 0 times theorem prover too weak. 10598 trivial. 0 not checked. [2022-11-20 10:34:10,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:10,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:10,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137066423] [2022-11-20 10:34:10,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137066423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:10,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:10,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:10,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981636381] [2022-11-20 10:34:10,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:10,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:10,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:10,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:10,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:10,570 INFO L87 Difference]: Start difference. First operand 12302 states and 16893 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-11-20 10:34:13,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:34:15,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:15,473 INFO L93 Difference]: Finished difference Result 30460 states and 41828 transitions. [2022-11-20 10:34:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:15,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 626 [2022-11-20 10:34:15,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:15,579 INFO L225 Difference]: With dead ends: 30460 [2022-11-20 10:34:15,580 INFO L226 Difference]: Without dead ends: 18261 [2022-11-20 10:34:15,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:15,638 INFO L413 NwaCegarLoop]: 5643 mSDtfsCounter, 3325 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 9417 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:15,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 9417 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-20 10:34:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18261 states. [2022-11-20 10:34:16,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18261 to 18255. [2022-11-20 10:34:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18255 states, 12681 states have (on average 1.2612569986594118) internal successors, (15994), 12792 states have internal predecessors, (15994), 4519 states have call successors, (4519), 1054 states have call predecessors, (4519), 1054 states have return successors, (4519), 4496 states have call predecessors, (4519), 4519 states have call successors, (4519) [2022-11-20 10:34:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18255 states to 18255 states and 25032 transitions. [2022-11-20 10:34:16,871 INFO L78 Accepts]: Start accepts. Automaton has 18255 states and 25032 transitions. Word has length 626 [2022-11-20 10:34:16,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:16,873 INFO L495 AbstractCegarLoop]: Abstraction has 18255 states and 25032 transitions. [2022-11-20 10:34:16,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-11-20 10:34:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 18255 states and 25032 transitions. [2022-11-20 10:34:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2022-11-20 10:34:16,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:16,889 INFO L195 NwaCegarLoop]: trace histogram [53, 53, 49, 49, 49, 49, 49, 49, 5, 5, 5, 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, 1, 1, 1, 1, 1] [2022-11-20 10:34:17,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:17,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:17,090 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:17,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1680739704, now seen corresponding path program 1 times [2022-11-20 10:34:17,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:17,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197604733] [2022-11-20 10:34:17,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:17,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:17,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:17,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:17,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:34:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:27,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 6922 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:27,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 11233 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 10896 trivial. 0 not checked. [2022-11-20 10:34:28,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:28,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:28,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197604733] [2022-11-20 10:34:28,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197604733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:28,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:28,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:28,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408678892] [2022-11-20 10:34:28,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:28,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:28,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:28,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:28,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:28,294 INFO L87 Difference]: Start difference. First operand 18255 states and 25032 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:34:31,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:34:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:33,090 INFO L93 Difference]: Finished difference Result 43529 states and 59707 transitions. [2022-11-20 10:34:33,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:33,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 654 [2022-11-20 10:34:33,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:33,241 INFO L225 Difference]: With dead ends: 43529 [2022-11-20 10:34:33,241 INFO L226 Difference]: Without dead ends: 26191 [2022-11-20 10:34:33,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:33,314 INFO L413 NwaCegarLoop]: 5587 mSDtfsCounter, 3431 mSDsluCounter, 3839 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 9426 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:33,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 9426 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 66 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-20 10:34:33,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26191 states. [2022-11-20 10:34:34,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26191 to 26185. [2022-11-20 10:34:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26185 states, 18228 states have (on average 1.2621790651744569) internal successors, (23007), 18387 states have internal predecessors, (23007), 6436 states have call successors, (6436), 1520 states have call predecessors, (6436), 1520 states have return successors, (6436), 6400 states have call predecessors, (6436), 6436 states have call successors, (6436) [2022-11-20 10:34:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26185 states to 26185 states and 35879 transitions. [2022-11-20 10:34:35,091 INFO L78 Accepts]: Start accepts. Automaton has 26185 states and 35879 transitions. Word has length 654 [2022-11-20 10:34:35,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:35,093 INFO L495 AbstractCegarLoop]: Abstraction has 26185 states and 35879 transitions. [2022-11-20 10:34:35,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:34:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 26185 states and 35879 transitions. [2022-11-20 10:34:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-11-20 10:34:35,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:35,113 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 49, 49, 49, 49, 49, 49, 4, 4, 4, 3, 3, 3, 2, 2, 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] [2022-11-20 10:34:35,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:35,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:35,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:35,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:35,339 INFO L85 PathProgramCache]: Analyzing trace with hash -789442357, now seen corresponding path program 1 times [2022-11-20 10:34:35,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:35,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255971733] [2022-11-20 10:34:35,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:35,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:35,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:35,349 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:35,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:34:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:34:46,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 6963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:34:46,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 11392 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 11046 trivial. 0 not checked. [2022-11-20 10:34:46,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:34:46,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:46,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255971733] [2022-11-20 10:34:46,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1255971733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:34:46,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:34:46,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:34:46,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365554800] [2022-11-20 10:34:46,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:34:46,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:34:46,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:46,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:34:46,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:46,264 INFO L87 Difference]: Start difference. First operand 26185 states and 35879 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:34:49,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:34:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:51,744 INFO L93 Difference]: Finished difference Result 75953 states and 104127 transitions. [2022-11-20 10:34:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:34:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 664 [2022-11-20 10:34:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:52,042 INFO L225 Difference]: With dead ends: 75953 [2022-11-20 10:34:52,043 INFO L226 Difference]: Without dead ends: 50685 [2022-11-20 10:34:52,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:34:52,130 INFO L413 NwaCegarLoop]: 7213 mSDtfsCounter, 3656 mSDsluCounter, 3868 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3656 SdHoareTripleChecker+Valid, 11081 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:52,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3656 Valid, 11081 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-20 10:34:52,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50685 states. [2022-11-20 10:34:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50685 to 50683. [2022-11-20 10:34:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50683 states, 35289 states have (on average 1.2628864518688543) internal successors, (44566), 35576 states have internal predecessors, (44566), 12433 states have call successors, (12433), 2960 states have call predecessors, (12433), 2960 states have return successors, (12433), 12387 states have call predecessors, (12433), 12433 states have call successors, (12433) [2022-11-20 10:34:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50683 states to 50683 states and 69432 transitions. [2022-11-20 10:34:55,525 INFO L78 Accepts]: Start accepts. Automaton has 50683 states and 69432 transitions. Word has length 664 [2022-11-20 10:34:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:55,526 INFO L495 AbstractCegarLoop]: Abstraction has 50683 states and 69432 transitions. [2022-11-20 10:34:55,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:34:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 50683 states and 69432 transitions. [2022-11-20 10:34:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2022-11-20 10:34:55,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:55,550 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 49, 49, 49, 49, 49, 49, 4, 4, 4, 3, 3, 3, 2, 2, 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] [2022-11-20 10:34:55,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:55,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:55,775 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:55,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:55,775 INFO L85 PathProgramCache]: Analyzing trace with hash -110170103, now seen corresponding path program 1 times [2022-11-20 10:34:55,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:55,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50479567] [2022-11-20 10:34:55,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:34:55,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:55,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:55,971 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:56,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:35:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:06,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 6963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:35:06,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11392 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 11046 trivial. 0 not checked. [2022-11-20 10:35:07,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:35:07,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:35:07,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50479567] [2022-11-20 10:35:07,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50479567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:35:07,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:35:07,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:35:07,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331504578] [2022-11-20 10:35:07,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:35:07,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:35:07,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:35:07,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:35:07,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:35:07,184 INFO L87 Difference]: Start difference. First operand 50683 states and 69432 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:35:10,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:35:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:35:14,016 INFO L93 Difference]: Finished difference Result 124961 states and 171245 transitions. [2022-11-20 10:35:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:35:14,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 664 [2022-11-20 10:35:14,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:35:14,471 INFO L225 Difference]: With dead ends: 124961 [2022-11-20 10:35:14,471 INFO L226 Difference]: Without dead ends: 74220 [2022-11-20 10:35:14,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:35:14,687 INFO L413 NwaCegarLoop]: 7561 mSDtfsCounter, 3651 mSDsluCounter, 3873 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3651 SdHoareTripleChecker+Valid, 11434 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:35:14,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3651 Valid, 11434 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-20 10:35:14,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74220 states. [2022-11-20 10:35:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74220 to 74218. [2022-11-20 10:35:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74218 states, 51661 states have (on average 1.2634095352393488) internal successors, (65269), 52071 states have internal predecessors, (65269), 18202 states have call successors, (18202), 4354 states have call predecessors, (18202), 4354 states have return successors, (18202), 18146 states have call predecessors, (18202), 18202 states have call successors, (18202) [2022-11-20 10:35:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74218 states to 74218 states and 101673 transitions. [2022-11-20 10:35:19,522 INFO L78 Accepts]: Start accepts. Automaton has 74218 states and 101673 transitions. Word has length 664 [2022-11-20 10:35:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:35:19,523 INFO L495 AbstractCegarLoop]: Abstraction has 74218 states and 101673 transitions. [2022-11-20 10:35:19,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-20 10:35:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 74218 states and 101673 transitions. [2022-11-20 10:35:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2022-11-20 10:35:19,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:35:19,550 INFO L195 NwaCegarLoop]: trace histogram [56, 56, 49, 49, 49, 49, 49, 49, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 10:35:19,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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 10:35:19,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:35:19,767 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:35:19,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:35:19,768 INFO L85 PathProgramCache]: Analyzing trace with hash -2116117235, now seen corresponding path program 1 times [2022-11-20 10:35:19,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:35:19,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883848043] [2022-11-20 10:35:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:35:19,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:35:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:35:19,777 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:35:19,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abcf75b6-5053-4fc8-b531-3b2ada53baec/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 10:35:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:35:30,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 7003 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 10:35:30,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:35:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 11765 backedges. 859 proven. 3 refuted. 0 times theorem prover too weak. 10903 trivial. 0 not checked. [2022-11-20 10:35:32,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:35:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 11765 backedges. 54 proven. 12 refuted. 0 times theorem prover too weak. 11699 trivial. 0 not checked. [2022-11-20 10:35:34,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:35:34,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883848043] [2022-11-20 10:35:34,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883848043] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:35:34,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:35:34,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-11-20 10:35:34,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159472540] [2022-11-20 10:35:34,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:35:34,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 10:35:34,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:35:34,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 10:35:34,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-11-20 10:35:34,522 INFO L87 Difference]: Start difference. First operand 74218 states and 101673 transitions. Second operand has 22 states, 21 states have (on average 8.19047619047619) internal successors, (172), 20 states have internal predecessors, (172), 6 states have call successors, (74), 3 states have call predecessors, (74), 8 states have return successors, (72), 7 states have call predecessors, (72), 6 states have call successors, (72) [2022-11-20 10:35:38,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:35:40,032 WARN L539 Checker$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 10:36:39,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:36:39,767 INFO L93 Difference]: Finished difference Result 195707 states and 268038 transitions. [2022-11-20 10:36:39,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 10:36:39,768 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.19047619047619) internal successors, (172), 20 states have internal predecessors, (172), 6 states have call successors, (74), 3 states have call predecessors, (74), 8 states have return successors, (72), 7 states have call predecessors, (72), 6 states have call successors, (72) Word has length 692 [2022-11-20 10:36:39,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:36:40,384 INFO L225 Difference]: With dead ends: 195707 [2022-11-20 10:36:40,384 INFO L226 Difference]: Without dead ends: 121407 [2022-11-20 10:36:40,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1396 GetRequests, 1363 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 10:36:40,770 INFO L413 NwaCegarLoop]: 7639 mSDtfsCounter, 12248 mSDsluCounter, 113147 mSDsCounter, 0 mSdLazyCounter, 10161 mSolverCounterSat, 3069 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12659 SdHoareTripleChecker+Valid, 120786 SdHoareTripleChecker+Invalid, 13232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3069 IncrementalHoareTripleChecker+Valid, 10161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:36:40,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12659 Valid, 120786 Invalid, 13232 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3069 Valid, 10161 Invalid, 2 Unknown, 0 Unchecked, 56.3s Time] [2022-11-20 10:36:40,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121407 states.