./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 --- 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 11:21:44,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:21:44,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:21:44,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:21:44,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:21:44,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:21:44,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:21:44,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:21:44,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:21:44,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:21:44,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:21:44,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:21:44,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:21:44,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:21:44,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:21:44,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:21:44,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:21:44,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:21:44,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:21:44,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:21:44,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:21:44,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:21:44,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:21:44,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:21:44,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:21:44,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:21:44,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:21:44,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:21:44,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:21:44,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:21:44,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:21:44,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:21:44,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:21:44,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:21:44,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:21:44,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:21:44,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:21:44,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:21:44,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:21:44,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:21:44,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:21:44,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:21:44,595 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:21:44,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:21:44,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:21:44,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:21:44,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:21:44,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:21:44,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:21:44,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:21:44,599 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:21:44,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:21:44,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:21:44,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:21:44,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:21:44,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:21:44,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:21:44,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:21:44,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:21:44,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:21:44,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:21:44,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:21:44,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:21:44,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:21:44,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:21:44,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:21:44,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:21:44,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:21:44,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:21:44,604 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:21:44,605 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:21:44,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:21:44,605 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_e48c1407-e851-46f5-88af-a7d4ed8212dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 [2022-11-20 11:21:44,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:21:44,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:21:44,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:21:44,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:21:44,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:21:44,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2022-11-20 11:21:48,251 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:21:48,985 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:21:48,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2022-11-20 11:21:49,039 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/149995923/54f35f1822f74463938db26540553157/FLAGcf23c9e8a [2022-11-20 11:21:49,060 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/149995923/54f35f1822f74463938db26540553157 [2022-11-20 11:21:49,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:21:49,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:21:49,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:21:49,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:21:49,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:21:49,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:49" (1/1) ... [2022-11-20 11:21:49,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383099b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:49, skipping insertion in model container [2022-11-20 11:21:49,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:49" (1/1) ... [2022-11-20 11:21:49,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:21:49,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:21:51,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:21:51,046 INFO L158 Benchmark]: Toolchain (without parser) took 1977.49ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 100.6MB in the end (delta: 28.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-20 11:21:51,047 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:21:51,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1975.03ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 100.6MB in the end (delta: 28.7MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-20 11:21:51,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1975.03ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 100.6MB in the end (delta: 28.7MB). Peak memory consumption was 58.1MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 --- 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 11:21:53,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:21:53,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:21:53,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:21:53,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:21:53,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:21:53,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:21:53,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:21:53,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:21:53,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:21:53,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:21:53,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:21:53,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:21:53,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:21:53,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:21:53,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:21:53,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:21:53,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:21:53,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:21:53,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:21:53,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:21:53,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:21:53,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:21:53,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:21:53,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:21:53,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:21:53,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:21:53,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:21:53,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:21:53,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:21:53,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:21:53,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:21:53,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:21:53,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:21:53,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:21:53,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:21:53,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:21:53,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:21:53,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:21:53,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:21:53,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:21:53,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:21:53,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:21:53,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:21:53,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:21:53,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:21:53,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:21:53,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:21:53,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:21:53,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:21:53,741 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:21:53,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:21:53,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:21:53,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:21:53,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:21:53,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:21:53,743 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:21:53,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:21:53,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:21:53,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:21:53,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:21:53,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:21:53,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:21:53,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:21:53,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:21:53,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:21:53,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:21:53,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:21:53,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:21:53,747 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:21:53,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:21:53,747 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:21:53,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:21:53,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:21:53,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:21:53,748 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_e48c1407-e851-46f5-88af-a7d4ed8212dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9097294034e60f68c5e476784c89e8f8da996f2e52e4b71dc31d0ac6cb0fc49 [2022-11-20 11:21:54,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:21:54,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:21:54,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:21:54,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:21:54,185 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:21:54,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2022-11-20 11:21:57,184 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:21:57,814 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:21:57,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2022-11-20 11:21:57,894 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/1d69dee7d/3155f2349c5949e092e542220ccbfe06/FLAGcc299617b [2022-11-20 11:21:57,919 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/data/1d69dee7d/3155f2349c5949e092e542220ccbfe06 [2022-11-20 11:21:57,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:21:57,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:21:57,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:21:57,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:21:57,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:21:57,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:57" (1/1) ... [2022-11-20 11:21:57,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198b9874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:21:57, skipping insertion in model container [2022-11-20 11:21:57,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:21:57" (1/1) ... [2022-11-20 11:21:57,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:21:58,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:22:00,430 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_e48c1407-e851-46f5-88af-a7d4ed8212dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i[345917,345930] [2022-11-20 11:22:00,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:00,788 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:22:00,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:22:01,245 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_e48c1407-e851-46f5-88af-a7d4ed8212dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i[345917,345930] [2022-11-20 11:22:01,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:01,321 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:22:01,882 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_e48c1407-e851-46f5-88af-a7d4ed8212dc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i[345917,345930] [2022-11-20 11:22:01,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:02,344 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:22:02,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02 WrapperNode [2022-11-20 11:22:02,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:22:02,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:02,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:22:02,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:22:02,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:02,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:02,821 INFO L138 Inliner]: procedures = 345, calls = 4141, calls flagged for inlining = 168, calls inlined = 162, statements flattened = 10702 [2022-11-20 11:22:02,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:02,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:22:02,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:22:02,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:22:02,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:02,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:02,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:02,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,092 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:22:03,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:22:03,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:22:03,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:22:03,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (1/1) ... [2022-11-20 11:22:03,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:22:03,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:22:03,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:22:03,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:22:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_type [2022-11-20 11:22:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_type [2022-11-20 11:22:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:22:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-20 11:22:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-20 11:22:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-11-20 11:22:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-11-20 11:22:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:22:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:22:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:22:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:22:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:22:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_probe [2022-11-20 11:22:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_probe [2022-11-20 11:22:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:22:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:22:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-11-20 11:22:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-11-20 11:22:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2022-11-20 11:22:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2022-11-20 11:22:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_device [2022-11-20 11:22:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_device [2022-11-20 11:22:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:22:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:22:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-11-20 11:22:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-11-20 11:22:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-11-20 11:22:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-11-20 11:22:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_remove [2022-11-20 11:22:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_remove [2022-11-20 11:22:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-11-20 11:22:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-11-20 11:22:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-11-20 11:22:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-11-20 11:22:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2022-11-20 11:22:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2022-11-20 11:22:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2022-11-20 11:22:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83627hf_data [2022-11-20 11:22:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:22:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:22:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:22:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:22:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2022-11-20 11:22:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2022-11-20 11:22:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-20 11:22:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-20 11:22:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_freq [2022-11-20 11:22:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_freq [2022-11-20 11:22:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:22:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:22:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_TO_REG [2022-11-20 11:22:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_TO_REG [2022-11-20 11:22:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2022-11-20 11:22:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2022-11-20 11:22:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_resume [2022-11-20 11:22:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_resume [2022-11-20 11:22:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 11:22:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 11:22:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_freq [2022-11-20 11:22:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_freq [2022-11-20 11:22:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_suspend [2022-11-20 11:22:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_suspend [2022-11-20 11:22:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_reset_bank [2022-11-20 11:22:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_reset_bank [2022-11-20 11:22:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-11-20 11:22:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-11-20 11:22:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:22:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-11-20 11:22:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-11-20 11:22:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2022-11-20 11:22:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2022-11-20 11:22:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-11-20 11:22:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-11-20 11:22:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83627hf_data [2022-11-20 11:22:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83627hf_data [2022-11-20 11:22:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_find [2022-11-20 11:22:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_find [2022-11-20 11:22:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:22:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:22:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:22:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-11-20 11:22:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-11-20 11:22:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:22:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-11-20 11:22:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-11-20 11:22:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:22:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:22:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:22:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:22:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:22:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:22:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:22:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:22:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_input [2022-11-20 11:22:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_input [2022-11-20 11:22:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 11:22:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 11:22:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-11-20 11:22:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-11-20 11:22:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_enable [2022-11-20 11:22:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_enable [2022-11-20 11:22:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_type [2022-11-20 11:22:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_type [2022-11-20 11:22:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 11:22:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 11:22:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_enable [2022-11-20 11:22:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_enable [2022-11-20 11:22:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 11:22:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 11:22:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-11-20 11:22:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-11-20 11:22:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_0 [2022-11-20 11:22:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_0 [2022-11-20 11:22:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2022-11-20 11:22:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83627hf_data [2022-11-20 11:22:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-20 11:22:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-20 11:22:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_input [2022-11-20 11:22:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_input [2022-11-20 11:22:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2022-11-20 11:22:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2022-11-20 11:22:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_update_fan_div [2022-11-20 11:22:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_update_fan_div [2022-11-20 11:22:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2022-11-20 11:22:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83627hf_data [2022-11-20 11:22:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-11-20 11:22:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-11-20 11:22:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-11-20 11:22:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-11-20 11:22:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-11-20 11:22:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-11-20 11:22:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:22:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:22:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2022-11-20 11:22:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2022-11-20 11:22:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_write_value [2022-11-20 11:22:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_write_value [2022-11-20 11:22:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2022-11-20 11:22:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2022-11-20 11:22:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 11:22:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 11:22:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:22:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-11-20 11:22:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-11-20 11:22:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_set_bank [2022-11-20 11:22:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_set_bank [2022-11-20 11:22:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-11-20 11:22:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-11-20 11:22:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 11:22:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 11:22:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:22:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-11-20 11:22:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-11-20 11:22:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:22:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-11-20 11:22:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-11-20 11:22:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2022-11-20 11:22:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2022-11-20 11:22:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-20 11:22:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-20 11:22:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-11-20 11:22:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-11-20 11:22:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-11-20 11:22:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-11-20 11:22:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure w83627hf_read_value [2022-11-20 11:22:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure w83627hf_read_value [2022-11-20 11:22:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 11:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 11:22:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure TEMP_FROM_REG [2022-11-20 11:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure TEMP_FROM_REG [2022-11-20 11:22:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:22:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:22:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:22:04,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:22:04,861 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:22:05,959 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:22:31,560 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:22:31,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:22:31,600 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:22:31,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:31 BoogieIcfgContainer [2022-11-20 11:22:31,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:22:31,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:22:31,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:22:31,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:22:31,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:21:57" (1/3) ... [2022-11-20 11:22:31,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65405d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:31, skipping insertion in model container [2022-11-20 11:22:31,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:02" (2/3) ... [2022-11-20 11:22:31,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65405d8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:31, skipping insertion in model container [2022-11-20 11:22:31,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:31" (3/3) ... [2022-11-20 11:22:31,619 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83627hf.ko-entry_point.cil.out.i [2022-11-20 11:22:31,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:22:31,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:22:31,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:22:31,772 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;@352bdf5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:22:31,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:22:31,789 INFO L276 IsEmpty]: Start isEmpty. Operand has 3230 states, 2146 states have (on average 1.3946877912395155) internal successors, (2993), 2253 states have internal predecessors, (2993), 1006 states have call successors, (1006), 77 states have call predecessors, (1006), 76 states have return successors, (909), 909 states have call predecessors, (909), 909 states have call successors, (909) [2022-11-20 11:22:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3946 [2022-11-20 11:22:32,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:22:32,014 INFO L195 NwaCegarLoop]: trace histogram [219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:22:32,015 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:22:32,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:32,023 INFO L85 PathProgramCache]: Analyzing trace with hash 162131251, now seen corresponding path program 1 times [2022-11-20 11:22:32,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:22:32,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176231704] [2022-11-20 11:22:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:32,057 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 11:22:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:22:32,062 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:22:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:22:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:00,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 18259 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:23:01,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:23:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 343044 backedges. 108970 proven. 0 refuted. 0 times theorem prover too weak. 234074 trivial. 0 not checked. [2022-11-20 11:23:01,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:23:01,598 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:23:01,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176231704] [2022-11-20 11:23:01,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176231704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:01,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:01,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:23:01,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607593439] [2022-11-20 11:23:01,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:01,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:23:01,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:23:01,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:23:01,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:23:01,673 INFO L87 Difference]: Start difference. First operand has 3230 states, 2146 states have (on average 1.3946877912395155) internal successors, (2993), 2253 states have internal predecessors, (2993), 1006 states have call successors, (1006), 77 states have call predecessors, (1006), 76 states have return successors, (909), 909 states have call predecessors, (909), 909 states have call successors, (909) Second operand has 2 states, 2 states have (on average 159.0) internal successors, (318), 2 states have internal predecessors, (318), 2 states have call successors, (287), 2 states have call predecessors, (287), 2 states have return successors, (285), 2 states have call predecessors, (285), 2 states have call successors, (285) [2022-11-20 11:23:02,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:23:02,069 INFO L93 Difference]: Finished difference Result 6455 states and 10452 transitions. [2022-11-20 11:23:02,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:23:02,072 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 159.0) internal successors, (318), 2 states have internal predecessors, (318), 2 states have call successors, (287), 2 states have call predecessors, (287), 2 states have return successors, (285), 2 states have call predecessors, (285), 2 states have call successors, (285) Word has length 3945 [2022-11-20 11:23:02,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:23:02,116 INFO L225 Difference]: With dead ends: 6455 [2022-11-20 11:23:02,116 INFO L226 Difference]: Without dead ends: 3126 [2022-11-20 11:23:02,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3944 GetRequests, 3944 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:23:02,163 INFO L413 NwaCegarLoop]: 4896 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4896 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:23:02,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4896 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:23:02,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2022-11-20 11:23:02,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 3126. [2022-11-20 11:23:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 2141 states have (on average 1.348902382064456) internal successors, (2888), 2149 states have internal predecessors, (2888), 909 states have call successors, (909), 76 states have call predecessors, (909), 75 states have return successors, (900), 900 states have call predecessors, (900), 900 states have call successors, (900) [2022-11-20 11:23:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 4697 transitions. [2022-11-20 11:23:02,662 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 4697 transitions. Word has length 3945 [2022-11-20 11:23:02,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:23:02,665 INFO L495 AbstractCegarLoop]: Abstraction has 3126 states and 4697 transitions. [2022-11-20 11:23:02,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 159.0) internal successors, (318), 2 states have internal predecessors, (318), 2 states have call successors, (287), 2 states have call predecessors, (287), 2 states have return successors, (285), 2 states have call predecessors, (285), 2 states have call successors, (285) [2022-11-20 11:23:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 4697 transitions. [2022-11-20 11:23:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3946 [2022-11-20 11:23:02,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:02,985 INFO L195 NwaCegarLoop]: trace histogram [219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:03,200 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:23:03,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:03,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:03,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:23:03,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1282687805, now seen corresponding path program 1 times [2022-11-20 11:23:03,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:03,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797826371] [2022-11-20 11:23:03,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:03,234 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 11:23:03,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:03,235 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:03,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:23:31,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 18259 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:23:31,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:23:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 343044 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 342749 trivial. 0 not checked. [2022-11-20 11:23:32,262 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:23:32,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:23:32,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797826371] [2022-11-20 11:23:32,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797826371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:23:32,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:23:32,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:23:32,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295859300] [2022-11-20 11:23:32,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:23:32,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:23:32,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:23:32,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:23:32,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:23:32,270 INFO L87 Difference]: Start difference. First operand 3126 states and 4697 transitions. Second operand has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (285), 2 states have call predecessors, (285), 3 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:23:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:23:33,245 INFO L93 Difference]: Finished difference Result 5814 states and 8796 transitions. [2022-11-20 11:23:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:23:33,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (285), 2 states have call predecessors, (285), 3 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 3945 [2022-11-20 11:23:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:23:33,279 INFO L225 Difference]: With dead ends: 5814 [2022-11-20 11:23:33,279 INFO L226 Difference]: Without dead ends: 3127 [2022-11-20 11:23:33,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3945 GetRequests, 3942 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:23:33,294 INFO L413 NwaCegarLoop]: 4695 mSDtfsCounter, 3 mSDsluCounter, 9269 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13964 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:23:33,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13964 Invalid, 185 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [59 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:23:33,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3127 states. [2022-11-20 11:23:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3127 to 3127. [2022-11-20 11:23:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 2142 states have (on average 1.3487394957983194) internal successors, (2889), 2150 states have internal predecessors, (2889), 909 states have call successors, (909), 76 states have call predecessors, (909), 75 states have return successors, (900), 900 states have call predecessors, (900), 900 states have call successors, (900) [2022-11-20 11:23:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4698 transitions. [2022-11-20 11:23:33,511 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4698 transitions. Word has length 3945 [2022-11-20 11:23:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:23:33,525 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4698 transitions. [2022-11-20 11:23:33,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.0) internal successors, (312), 4 states have internal predecessors, (312), 2 states have call successors, (285), 2 states have call predecessors, (285), 3 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:23:33,526 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4698 transitions. [2022-11-20 11:23:33,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4009 [2022-11-20 11:23:33,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:33,647 INFO L195 NwaCegarLoop]: trace histogram [219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:23:33,867 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:23:33,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:33,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:33,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:23:33,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash -702870434, now seen corresponding path program 1 times [2022-11-20 11:23:33,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:33,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194125096] [2022-11-20 11:23:33,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:23:33,973 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 11:23:33,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:33,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:23:34,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:04,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 18934 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:24:04,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 348414 backedges. 472 proven. 1 refuted. 0 times theorem prover too weak. 347941 trivial. 0 not checked. [2022-11-20 11:24:04,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:24:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 348414 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 348000 trivial. 0 not checked. [2022-11-20 11:24:08,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:24:08,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194125096] [2022-11-20 11:24:08,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194125096] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:24:08,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:24:08,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:24:08,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409173547] [2022-11-20 11:24:08,678 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:24:08,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:24:08,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:24:08,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:24:08,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:24:08,685 INFO L87 Difference]: Start difference. First operand 3127 states and 4698 transitions. Second operand has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) [2022-11-20 11:24:10,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:10,474 INFO L93 Difference]: Finished difference Result 5821 states and 8864 transitions. [2022-11-20 11:24:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:24:10,486 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) Word has length 4008 [2022-11-20 11:24:10,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:10,519 INFO L225 Difference]: With dead ends: 5821 [2022-11-20 11:24:10,520 INFO L226 Difference]: Without dead ends: 3130 [2022-11-20 11:24:10,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8016 GetRequests, 8008 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:24:10,538 INFO L413 NwaCegarLoop]: 4695 mSDtfsCounter, 13 mSDsluCounter, 13906 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18601 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:10,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18601 Invalid, 319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 11:24:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3130 states. [2022-11-20 11:24:10,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3130 to 3130. [2022-11-20 11:24:10,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3130 states, 2145 states have (on average 1.3482517482517482) internal successors, (2892), 2153 states have internal predecessors, (2892), 909 states have call successors, (909), 76 states have call predecessors, (909), 75 states have return successors, (900), 900 states have call predecessors, (900), 900 states have call successors, (900) [2022-11-20 11:24:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3130 states to 3130 states and 4701 transitions. [2022-11-20 11:24:10,750 INFO L78 Accepts]: Start accepts. Automaton has 3130 states and 4701 transitions. Word has length 4008 [2022-11-20 11:24:10,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:10,755 INFO L495 AbstractCegarLoop]: Abstraction has 3130 states and 4701 transitions. [2022-11-20 11:24:10,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 41.0) internal successors, (328), 8 states have internal predecessors, (328), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) [2022-11-20 11:24:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 4701 transitions. [2022-11-20 11:24:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4189 [2022-11-20 11:24:10,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:10,888 INFO L195 NwaCegarLoop]: trace histogram [240, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:11,089 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:24:11,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:11,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:11,218 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:11,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:11,219 INFO L85 PathProgramCache]: Analyzing trace with hash 534736525, now seen corresponding path program 1 times [2022-11-20 11:24:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:24:11,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1250359268] [2022-11-20 11:24:11,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:11,234 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 11:24:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:24:11,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:11,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:46,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 20911 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:24:46,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 386124 backedges. 1711 proven. 10 refuted. 0 times theorem prover too weak. 384403 trivial. 0 not checked. [2022-11-20 11:24:46,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:24:51,183 INFO L134 CoverageAnalysis]: Checked inductivity of 386124 backedges. 0 proven. 1662 refuted. 0 times theorem prover too weak. 384462 trivial. 0 not checked. [2022-11-20 11:24:51,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:24:51,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1250359268] [2022-11-20 11:24:51,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1250359268] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:24:51,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:24:51,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 11:24:51,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172529576] [2022-11-20 11:24:51,186 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:24:51,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:24:51,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:24:51,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:24:51,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:24:51,192 INFO L87 Difference]: Start difference. First operand 3130 states and 4701 transitions. Second operand has 14 states, 14 states have (on average 23.857142857142858) internal successors, (334), 14 states have internal predecessors, (334), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) [2022-11-20 11:24:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:54,170 INFO L93 Difference]: Finished difference Result 5828 states and 8872 transitions. [2022-11-20 11:24:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:24:54,171 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 23.857142857142858) internal successors, (334), 14 states have internal predecessors, (334), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) Word has length 4188 [2022-11-20 11:24:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:54,201 INFO L225 Difference]: With dead ends: 5828 [2022-11-20 11:24:54,201 INFO L226 Difference]: Without dead ends: 3134 [2022-11-20 11:24:54,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8377 GetRequests, 8362 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:24:54,221 INFO L413 NwaCegarLoop]: 4695 mSDtfsCounter, 27 mSDsluCounter, 23182 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27877 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:54,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27877 Invalid, 485 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 11:24:54,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2022-11-20 11:24:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 3134. [2022-11-20 11:24:54,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3134 states, 2149 states have (on average 1.3476035365286179) internal successors, (2896), 2157 states have internal predecessors, (2896), 909 states have call successors, (909), 76 states have call predecessors, (909), 75 states have return successors, (900), 900 states have call predecessors, (900), 900 states have call successors, (900) [2022-11-20 11:24:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 3134 states and 4705 transitions. [2022-11-20 11:24:54,458 INFO L78 Accepts]: Start accepts. Automaton has 3134 states and 4705 transitions. Word has length 4188 [2022-11-20 11:24:54,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:54,465 INFO L495 AbstractCegarLoop]: Abstraction has 3134 states and 4705 transitions. [2022-11-20 11:24:54,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.857142857142858) internal successors, (334), 14 states have internal predecessors, (334), 2 states have call successors, (346), 2 states have call predecessors, (346), 4 states have return successors, (343), 2 states have call predecessors, (343), 2 states have call successors, (343) [2022-11-20 11:24:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 4705 transitions. [2022-11-20 11:24:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4429 [2022-11-20 11:24:54,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:54,690 INFO L195 NwaCegarLoop]: trace histogram [480, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:24:54,913 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:24:55,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:55,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:55,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:55,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1508296051, now seen corresponding path program 2 times [2022-11-20 11:24:55,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:24:55,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170650774] [2022-11-20 11:24:55,060 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:24:55,061 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 11:24:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:24:55,062 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:24:55,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:25:13,525 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:25:13,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:25:13,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 6255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:25:13,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:25:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 486804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486804 trivial. 0 not checked. [2022-11-20 11:25:14,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:25:14,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:25:14,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170650774] [2022-11-20 11:25:14,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170650774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:25:14,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:25:14,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:25:14,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993020507] [2022-11-20 11:25:14,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:25:14,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:25:14,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:25:14,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:25:14,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:25:14,356 INFO L87 Difference]: Start difference. First operand 3134 states and 4705 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:25:15,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:25:15,325 INFO L93 Difference]: Finished difference Result 8234 states and 12379 transitions. [2022-11-20 11:25:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:25:15,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 4428 [2022-11-20 11:25:15,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:25:15,367 INFO L225 Difference]: With dead ends: 8234 [2022-11-20 11:25:15,368 INFO L226 Difference]: Without dead ends: 5674 [2022-11-20 11:25:15,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4427 GetRequests, 4426 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 11:25:15,386 INFO L413 NwaCegarLoop]: 5311 mSDtfsCounter, 4660 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4660 SdHoareTripleChecker+Valid, 9154 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:25:15,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4660 Valid, 9154 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:25:15,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5674 states. [2022-11-20 11:25:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5674 to 5652. [2022-11-20 11:25:15,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5652 states, 3978 states have (on average 1.3730517848164907) internal successors, (5462), 3988 states have internal predecessors, (5462), 1524 states have call successors, (1524), 150 states have call predecessors, (1524), 149 states have return successors, (1515), 1513 states have call predecessors, (1515), 1515 states have call successors, (1515) [2022-11-20 11:25:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8501 transitions. [2022-11-20 11:25:15,882 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8501 transitions. Word has length 4428 [2022-11-20 11:25:15,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:25:15,894 INFO L495 AbstractCegarLoop]: Abstraction has 5652 states and 8501 transitions. [2022-11-20 11:25:15,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:25:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8501 transitions. [2022-11-20 11:25:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4426 [2022-11-20 11:25:16,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:25:16,041 INFO L195 NwaCegarLoop]: trace histogram [480, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:25:16,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:25:16,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:25:16,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:25:16,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:25:16,260 INFO L85 PathProgramCache]: Analyzing trace with hash -552654019, now seen corresponding path program 1 times [2022-11-20 11:25:16,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:25:16,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967811528] [2022-11-20 11:25:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:25:16,269 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 11:25:16,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:25:16,270 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:25:16,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:30:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:02,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 23539 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:30:02,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 486804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486804 trivial. 0 not checked. [2022-11-20 11:30:02,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:02,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:02,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967811528] [2022-11-20 11:30:02,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967811528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:02,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:02,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:02,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800165299] [2022-11-20 11:30:02,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:02,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:02,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:02,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:02,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:02,679 INFO L87 Difference]: Start difference. First operand 5652 states and 8501 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (285), 2 states have call predecessors, (285), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:30:03,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:03,902 INFO L93 Difference]: Finished difference Result 15749 states and 23706 transitions. [2022-11-20 11:30:03,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:03,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (285), 2 states have call predecessors, (285), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 4425 [2022-11-20 11:30:03,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:04,000 INFO L225 Difference]: With dead ends: 15749 [2022-11-20 11:30:04,001 INFO L226 Difference]: Without dead ends: 10671 [2022-11-20 11:30:04,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4424 GetRequests, 4423 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 11:30:04,037 INFO L413 NwaCegarLoop]: 5319 mSDtfsCounter, 4642 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4642 SdHoareTripleChecker+Valid, 9162 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:04,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4642 Valid, 9162 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:30:04,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10671 states. [2022-11-20 11:30:04,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10671 to 10649. [2022-11-20 11:30:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10649 states, 7613 states have (on average 1.387626428477604) internal successors, (10564), 7627 states have internal predecessors, (10564), 2738 states have call successors, (2738), 298 states have call predecessors, (2738), 297 states have return successors, (2729), 2723 states have call predecessors, (2729), 2729 states have call successors, (2729) [2022-11-20 11:30:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10649 states to 10649 states and 16031 transitions. [2022-11-20 11:30:04,770 INFO L78 Accepts]: Start accepts. Automaton has 10649 states and 16031 transitions. Word has length 4425 [2022-11-20 11:30:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:04,776 INFO L495 AbstractCegarLoop]: Abstraction has 10649 states and 16031 transitions. [2022-11-20 11:30:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 2 states have call successors, (285), 2 states have call predecessors, (285), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:30:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 10649 states and 16031 transitions. [2022-11-20 11:30:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4431 [2022-11-20 11:30:04,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:04,922 INFO L195 NwaCegarLoop]: trace histogram [480, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:05,147 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:30:05,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:30:05,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:30:05,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:30:05,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1489585593, now seen corresponding path program 1 times [2022-11-20 11:30:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:05,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223233126] [2022-11-20 11:30:05,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:05,361 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 11:30:05,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:05,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:30:05,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:34:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:34:56,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 23558 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:34:56,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 486804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486804 trivial. 0 not checked. [2022-11-20 11:34:57,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:34:57,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:57,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223233126] [2022-11-20 11:34:57,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223233126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:34:57,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:34:57,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:34:57,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984390445] [2022-11-20 11:34:57,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:34:57,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:34:57,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:57,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:34:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:34:57,322 INFO L87 Difference]: Start difference. First operand 10649 states and 16031 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:34:58,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:58,761 INFO L93 Difference]: Finished difference Result 30730 states and 46280 transitions. [2022-11-20 11:34:58,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:34:58,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 4430 [2022-11-20 11:34:58,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:58,881 INFO L225 Difference]: With dead ends: 30730 [2022-11-20 11:34:58,882 INFO L226 Difference]: Without dead ends: 20655 [2022-11-20 11:34:58,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4429 GetRequests, 4428 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 11:34:58,940 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 4651 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4651 SdHoareTripleChecker+Valid, 9200 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:58,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4651 Valid, 9200 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 11:34:58,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20655 states. [2022-11-20 11:35:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20655 to 20627. [2022-11-20 11:35:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20627 states, 14867 states have (on average 1.3953050380036323) internal successors, (20744), 14889 states have internal predecessors, (20744), 5166 states have call successors, (5166), 594 states have call predecessors, (5166), 593 states have return successors, (5157), 5143 states have call predecessors, (5157), 5157 states have call successors, (5157) [2022-11-20 11:35:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20627 states to 20627 states and 31067 transitions. [2022-11-20 11:35:00,375 INFO L78 Accepts]: Start accepts. Automaton has 20627 states and 31067 transitions. Word has length 4430 [2022-11-20 11:35:00,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:00,380 INFO L495 AbstractCegarLoop]: Abstraction has 20627 states and 31067 transitions. [2022-11-20 11:35:00,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:35:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 20627 states and 31067 transitions. [2022-11-20 11:35:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4429 [2022-11-20 11:35:00,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:00,531 INFO L195 NwaCegarLoop]: trace histogram [480, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:35:00,749 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forcibly destroying the process [2022-11-20 11:35:00,951 FATAL L548 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Could not destroy process within 200 ms, abandoning it [2022-11-20 11:35:00,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:35:00,951 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:35:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1494343966, now seen corresponding path program 2 times [2022-11-20 11:35:00,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:35:00,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134087460] [2022-11-20 11:35:00,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:35:00,985 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 11:35:00,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:35:00,994 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:35:01,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:35:21,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:35:21,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:35:21,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 6258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:35:21,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:35:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 486804 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 486804 trivial. 0 not checked. [2022-11-20 11:35:22,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:35:22,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:35:22,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134087460] [2022-11-20 11:35:22,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134087460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:35:22,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:35:22,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:35:22,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731363887] [2022-11-20 11:35:22,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:35:22,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:35:22,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:35:22,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:35:22,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:35:22,012 INFO L87 Difference]: Start difference. First operand 20627 states and 31067 transitions. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:35:24,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:35:24,234 INFO L93 Difference]: Finished difference Result 60672 states and 91404 transitions. [2022-11-20 11:35:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:35:24,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) Word has length 4428 [2022-11-20 11:35:24,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:35:24,452 INFO L225 Difference]: With dead ends: 60672 [2022-11-20 11:35:24,452 INFO L226 Difference]: Without dead ends: 40619 [2022-11-20 11:35:24,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4427 GetRequests, 4426 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 11:35:24,554 INFO L413 NwaCegarLoop]: 5375 mSDtfsCounter, 4666 mSDsluCounter, 3846 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4666 SdHoareTripleChecker+Valid, 9221 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:35:24,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4666 Valid, 9221 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:35:24,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40619 states. [2022-11-20 11:35:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40619 to 40595. [2022-11-20 11:35:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40595 states, 29379 states have (on average 1.3990945913747914) internal successors, (41104), 29417 states have internal predecessors, (41104), 10030 states have call successors, (10030), 1186 states have call predecessors, (10030), 1185 states have return successors, (10021), 9991 states have call predecessors, (10021), 10021 states have call successors, (10021) [2022-11-20 11:35:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40595 states to 40595 states and 61155 transitions. [2022-11-20 11:35:27,831 INFO L78 Accepts]: Start accepts. Automaton has 40595 states and 61155 transitions. Word has length 4428 [2022-11-20 11:35:27,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:35:27,839 INFO L495 AbstractCegarLoop]: Abstraction has 40595 states and 61155 transitions. [2022-11-20 11:35:27,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 2 states have call successors, (286), 2 states have call predecessors, (286), 2 states have return successors, (282), 2 states have call predecessors, (282), 2 states have call successors, (282) [2022-11-20 11:35:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 40595 states and 61155 transitions. [2022-11-20 11:35:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4433 [2022-11-20 11:35:28,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:35:28,023 INFO L195 NwaCegarLoop]: trace histogram [480, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 219, 60, 60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:35:28,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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)] Forceful destruction successful, exit code 0 [2022-11-20 11:35:28,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:35:28,248 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:35:28,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:35:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash -2024324612, now seen corresponding path program 1 times [2022-11-20 11:35:28,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:35:28,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732099297] [2022-11-20 11:35:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:35:28,514 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 11:35:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:35:28,516 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 11:35:28,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e48c1407-e851-46f5-88af-a7d4ed8212dc/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 (10)] Waiting until timeout for monitored process