./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- 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 11:01:58,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:01:58,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:01:58,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:01:58,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:01:58,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:01:58,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:01:58,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:01:58,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:01:58,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:01:58,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:01:58,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:01:58,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:01:58,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:01:58,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:01:58,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:01:58,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:01:58,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:01:58,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:01:58,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:01:58,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:01:58,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:01:58,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:01:58,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:01:58,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:01:58,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:01:58,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:01:58,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:01:58,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:01:58,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:01:58,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:01:58,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:01:58,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:01:58,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:01:58,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:01:58,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:01:58,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:01:58,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:01:58,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:01:58,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:01:58,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:01:58,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:01:58,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:01:58,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:01:58,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:01:58,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:01:58,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:01:58,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:01:58,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:01:58,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:01:58,644 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:01:58,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:01:58,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:01:58,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:01:58,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:01:58,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:01:58,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:01:58,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:01:58,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:01:58,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:01:58,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:01:58,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:01:58,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:01:58,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:01:58,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:01:58,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:01:58,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:01:58,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:01:58,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:01:58,650 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:01:58,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:01:58,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:01:58,651 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_5120173c-0004-4a7f-b5f8-a960bfd4db28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-11-20 11:01:58,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:01:58,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:01:58,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:01:58,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:01:58,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:01:58,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-11-20 11:02:02,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:02:02,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:02:02,515 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-11-20 11:02:02,550 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/8abd3476d/333a164889004b5a8734ea04aa4eefa3/FLAG4b569898b [2022-11-20 11:02:02,573 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/8abd3476d/333a164889004b5a8734ea04aa4eefa3 [2022-11-20 11:02:02,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:02:02,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:02:02,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:02,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:02:02,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:02:02,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:02" (1/1) ... [2022-11-20 11:02:02,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba0b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:02, skipping insertion in model container [2022-11-20 11:02:02,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:02" (1/1) ... [2022-11-20 11:02:02,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:02:02,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:03,885 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 11:02:03,904 INFO L158 Benchmark]: Toolchain (without parser) took 1308.56ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 79.6MB in the beginning and 122.5MB in the end (delta: -42.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-11-20 11:02:03,904 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:02:03,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.14ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 79.1MB in the beginning and 123.5MB in the end (delta: -44.4MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2022-11-20 11:02:03,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 144.7MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.14ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 79.1MB in the beginning and 123.5MB in the end (delta: -44.4MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f --- 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 11:02:06,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:02:06,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:02:06,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:02:06,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:02:06,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:02:06,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:02:06,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:02:06,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:02:06,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:02:06,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:02:06,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:02:06,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:02:06,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:02:06,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:02:06,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:02:06,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:02:06,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:02:06,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:02:06,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:02:06,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:02:06,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:02:06,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:02:06,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:02:06,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:02:06,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:02:06,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:02:06,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:02:06,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:02:06,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:02:06,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:02:06,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:02:06,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:02:06,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:02:06,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:02:06,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:02:06,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:02:06,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:02:06,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:02:06,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:02:06,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:02:06,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:02:06,509 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:02:06,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:02:06,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:02:06,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:02:06,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:02:06,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:02:06,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:02:06,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:02:06,514 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:02:06,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:02:06,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:02:06,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:02:06,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:02:06,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:02:06,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:02:06,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:02:06,517 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:02:06,517 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:02:06,517 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:02:06,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:02:06,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:02:06,518 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:02:06,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:02:06,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:02:06,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:02:06,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:02:06,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:02:06,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:02:06,520 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:02:06,520 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:02:06,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:02:06,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:02:06,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:02:06,521 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_5120173c-0004-4a7f-b5f8-a960bfd4db28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87ce4631152faee62991e43ea4262d58cd06d3a6c93a184b0775dd51465b70f [2022-11-20 11:02:06,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:02:06,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:02:06,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:02:06,906 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:02:06,907 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:02:06,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-11-20 11:02:09,974 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:02:10,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:02:10,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-11-20 11:02:10,692 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/d8edd4b20/0130e4405e7e4bf19461b89fe3a6a44f/FLAG00fb7a11a [2022-11-20 11:02:10,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/data/d8edd4b20/0130e4405e7e4bf19461b89fe3a6a44f [2022-11-20 11:02:10,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:02:10,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:02:10,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:10,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:02:10,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:02:10,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:10" (1/1) ... [2022-11-20 11:02:10,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8c8f85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:10, skipping insertion in model container [2022-11-20 11:02:10,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:02:10" (1/1) ... [2022-11-20 11:02:10,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:02:10,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:12,493 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_5120173c-0004-4a7f-b5f8-a960bfd4db28/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-11-20 11:02:12,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:12,683 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:02:12,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:13,172 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_5120173c-0004-4a7f-b5f8-a960bfd4db28/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-11-20 11:02:13,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:13,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:02:13,704 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_5120173c-0004-4a7f-b5f8-a960bfd4db28/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i[270348,270361] [2022-11-20 11:02:13,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:14,075 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:02:14,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14 WrapperNode [2022-11-20 11:02:14,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:14,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:14,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:02:14,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:02:14,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,556 INFO L138 Inliner]: procedures = 185, calls = 3879, calls flagged for inlining = 73, calls inlined = 65, statements flattened = 9152 [2022-11-20 11:02:14,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:14,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:02:14,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:02:14,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:02:14,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:02:14,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:02:14,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:02:14,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:02:14,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (1/1) ... [2022-11-20 11:02:14,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:02:14,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:02:14,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:02:14,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:02:15,022 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-11-20 11:02:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-11-20 11:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-11-20 11:02:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-11-20 11:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_update_device [2022-11-20 11:02:15,023 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_update_device [2022-11-20 11:02:15,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:02:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-11-20 11:02:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-11-20 11:02:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:02:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-20 11:02:15,024 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-20 11:02:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:02:15,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:02:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-11-20 11:02:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-11-20 11:02:15,025 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-20 11:02:15,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-20 11:02:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-11-20 11:02:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-11-20 11:02:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure store_tolerance [2022-11-20 11:02:15,026 INFO L138 BoogieDeclarations]: Found implementation of procedure store_tolerance [2022-11-20 11:02:15,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-11-20 11:02:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83792d_data [2022-11-20 11:02:15,027 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwmenable [2022-11-20 11:02:15,027 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwmenable [2022-11-20 11:02:15,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:02:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:02:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-11-20 11:02:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-11-20 11:02:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-11-20 11:02:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-11-20 11:02:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-11-20 11:02:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83792d_data [2022-11-20 11:02:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp1 [2022-11-20 11:02:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp1 [2022-11-20 11:02:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-11-20 11:02:15,030 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-11-20 11:02:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-11-20 11:02:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-11-20 11:02:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure show_tolerance [2022-11-20 11:02:15,031 INFO L138 BoogieDeclarations]: Found implementation of procedure show_tolerance [2022-11-20 11:02:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm_mode [2022-11-20 11:02:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm_mode [2022-11-20 11:02:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:02:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:02:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:02:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:02:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure in_count_from_reg [2022-11-20 11:02:15,033 INFO L138 BoogieDeclarations]: Found implementation of procedure in_count_from_reg [2022-11-20 11:02:15,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:02:15,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:02:15,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:02:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 11:02:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 11:02:15,035 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-11-20 11:02:15,035 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-11-20 11:02:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:02:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_level [2022-11-20 11:02:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_level [2022-11-20 11:02:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp1 [2022-11-20 11:02:15,036 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp1 [2022-11-20 11:02:15,036 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp23 [2022-11-20 11:02:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp23 [2022-11-20 11:02:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-11-20 11:02:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-11-20 11:02:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:02:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-11-20 11:02:15,037 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-11-20 11:02:15,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:02:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_point [2022-11-20 11:02:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_point [2022-11-20 11:02:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_write_value [2022-11-20 11:02:15,038 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_write_value [2022-11-20 11:02:15,038 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-11-20 11:02:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-11-20 11:02:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure show_thermal_cruise [2022-11-20 11:02:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure show_thermal_cruise [2022-11-20 11:02:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp23 [2022-11-20 11:02:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp23 [2022-11-20 11:02:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure SENSORS_LIMIT [2022-11-20 11:02:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure SENSORS_LIMIT [2022-11-20 11:02:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-11-20 11:02:15,041 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-11-20 11:02:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:02:15,041 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_detect [2022-11-20 11:02:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_detect [2022-11-20 11:02:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm_mode [2022-11-20 11:02:15,042 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm_mode [2022-11-20 11:02:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:02:15,042 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-11-20 11:02:15,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-11-20 11:02:15,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:02:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:02:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:02:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:02:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-20 11:02:15,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-20 11:02:15,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:02:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwmenable [2022-11-20 11:02:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwmenable [2022-11-20 11:02:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure w83792d_read_value [2022-11-20 11:02:15,045 INFO L138 BoogieDeclarations]: Found implementation of procedure w83792d_read_value [2022-11-20 11:02:15,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-11-20 11:02:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-11-20 11:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-11-20 11:02:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-11-20 11:02:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure show_sf2_level [2022-11-20 11:02:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sf2_level [2022-11-20 11:02:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-11-20 11:02:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-11-20 11:02:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure store_thermal_cruise [2022-11-20 11:02:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure store_thermal_cruise [2022-11-20 11:02:15,053 INFO L130 BoogieDeclarations]: Found specification of procedure store_sf2_point [2022-11-20 11:02:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sf2_point [2022-11-20 11:02:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:02:15,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:02:15,059 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:02:15,060 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:02:16,145 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:02:16,149 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:02:43,396 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:02:43,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:02:43,425 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:02:43,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:02:43 BoogieIcfgContainer [2022-11-20 11:02:43,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:02:43,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:02:43,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:02:43,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:02:43,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:02:10" (1/3) ... [2022-11-20 11:02:43,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebbce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:02:43, skipping insertion in model container [2022-11-20 11:02:43,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:14" (2/3) ... [2022-11-20 11:02:43,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ebbce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:02:43, skipping insertion in model container [2022-11-20 11:02:43,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:02:43" (3/3) ... [2022-11-20 11:02:43,441 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--hwmon--w83792d.ko-main.cil.out.i [2022-11-20 11:02:43,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:02:43,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:02:43,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:02:43,582 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;@25011564, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:02:43,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:02:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 2109 states, 1626 states have (on average 1.5412054120541205) internal successors, (2506), 1633 states have internal predecessors, (2506), 430 states have call successors, (430), 51 states have call predecessors, (430), 51 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) [2022-11-20 11:02:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 11:02:43,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:02:43,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:02:43,623 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:02:43,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:02:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1076657471, now seen corresponding path program 1 times [2022-11-20 11:02:43,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:02:43,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1845846478] [2022-11-20 11:02:43,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:02:43,651 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 11:02:43,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:02:43,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:02:43,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:04,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:03:04,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:03:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:03:04,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:03:04,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:03:04,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1845846478] [2022-11-20 11:03:04,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1845846478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:04,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:04,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:03:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038723642] [2022-11-20 11:03:04,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:04,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:03:04,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:04,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:04,511 INFO L87 Difference]: Start difference. First operand has 2109 states, 1626 states have (on average 1.5412054120541205) internal successors, (2506), 1633 states have internal predecessors, (2506), 430 states have call successors, (430), 51 states have call predecessors, (430), 51 states have return successors, (430), 430 states have call predecessors, (430), 430 states have call successors, (430) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:05,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:06,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:03:06,398 INFO L93 Difference]: Finished difference Result 6311 states and 10593 transitions. [2022-11-20 11:03:06,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:06,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 11:03:06,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:03:06,439 INFO L225 Difference]: With dead ends: 6311 [2022-11-20 11:03:06,439 INFO L226 Difference]: Without dead ends: 4197 [2022-11-20 11:03:06,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:06,472 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 3338 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3338 SdHoareTripleChecker+Valid, 7129 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:03:06,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3338 Valid, 7129 Invalid, 8 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 11:03:06,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2022-11-20 11:03:06,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 4182. [2022-11-20 11:03:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4182 states, 3228 states have (on average 1.5412019826517969) internal successors, (4975), 3233 states have internal predecessors, (4975), 853 states have call successors, (853), 101 states have call predecessors, (853), 100 states have return successors, (847), 847 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-20 11:03:06,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4182 states to 4182 states and 6675 transitions. [2022-11-20 11:03:06,765 INFO L78 Accepts]: Start accepts. Automaton has 4182 states and 6675 transitions. Word has length 32 [2022-11-20 11:03:06,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:03:06,765 INFO L495 AbstractCegarLoop]: Abstraction has 4182 states and 6675 transitions. [2022-11-20 11:03:06,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4182 states and 6675 transitions. [2022-11-20 11:03:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 11:03:06,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:03:06,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:03:06,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:06,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:06,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:03:06,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:06,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1339455529, now seen corresponding path program 1 times [2022-11-20 11:03:06,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:03:06,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1774296473] [2022-11-20 11:03:06,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:06,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:03:06,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:03:06,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:06,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:27,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 5764 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:03:27,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:03:27,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:03:27,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:03:27,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:03:27,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1774296473] [2022-11-20 11:03:27,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1774296473] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:27,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:27,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:03:27,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070159576] [2022-11-20 11:03:27,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:27,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:27,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:03:27,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:27,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:27,512 INFO L87 Difference]: Start difference. First operand 4182 states and 6675 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:28,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:29,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:03:29,316 INFO L93 Difference]: Finished difference Result 12528 states and 19999 transitions. [2022-11-20 11:03:29,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:29,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 11:03:29,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:03:29,378 INFO L225 Difference]: With dead ends: 12528 [2022-11-20 11:03:29,378 INFO L226 Difference]: Without dead ends: 8349 [2022-11-20 11:03:29,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 11:03:29,407 INFO L413 NwaCegarLoop]: 3787 mSDtfsCounter, 3333 mSDsluCounter, 3344 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3333 SdHoareTripleChecker+Valid, 7131 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:03:29,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3333 Valid, 7131 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 11:03:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8349 states. [2022-11-20 11:03:29,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8349 to 8334. [2022-11-20 11:03:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8334 states, 6435 states have (on average 1.5412587412587413) internal successors, (9918), 6440 states have internal predecessors, (9918), 1698 states have call successors, (1698), 201 states have call predecessors, (1698), 200 states have return successors, (1692), 1692 states have call predecessors, (1692), 1692 states have call successors, (1692) [2022-11-20 11:03:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8334 states to 8334 states and 13308 transitions. [2022-11-20 11:03:29,835 INFO L78 Accepts]: Start accepts. Automaton has 8334 states and 13308 transitions. Word has length 33 [2022-11-20 11:03:29,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:03:29,835 INFO L495 AbstractCegarLoop]: Abstraction has 8334 states and 13308 transitions. [2022-11-20 11:03:29,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:29,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8334 states and 13308 transitions. [2022-11-20 11:03:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 11:03:29,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:03:29,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:03:29,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:30,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:30,063 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:03:30,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:30,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2053897929, now seen corresponding path program 1 times [2022-11-20 11:03:30,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:03:30,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752905862] [2022-11-20 11:03:30,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:30,069 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 11:03:30,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:03:30,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:30,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:03:49,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 5762 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:03:49,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:03:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:03:49,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:03:49,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:03:49,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752905862] [2022-11-20 11:03:49,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752905862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:03:49,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:03:49,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:03:49,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871934423] [2022-11-20 11:03:49,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:03:49,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:03:49,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:03:49,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:03:49,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:49,900 INFO L87 Difference]: Start difference. First operand 8334 states and 13308 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:51,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:03:51,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:03:51,822 INFO L93 Difference]: Finished difference Result 24956 states and 39850 transitions. [2022-11-20 11:03:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:03:51,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 11:03:51,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:03:51,926 INFO L225 Difference]: With dead ends: 24956 [2022-11-20 11:03:51,927 INFO L226 Difference]: Without dead ends: 16625 [2022-11-20 11:03:51,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:03:51,978 INFO L413 NwaCegarLoop]: 3796 mSDtfsCounter, 3328 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 7137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:03:51,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 7137 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:03:51,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16625 states. [2022-11-20 11:03:52,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16625 to 16610. [2022-11-20 11:03:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16610 states, 12827 states have (on average 1.540968270055352) internal successors, (19766), 12832 states have internal predecessors, (19766), 3382 states have call successors, (3382), 401 states have call predecessors, (3382), 400 states have return successors, (3376), 3376 states have call predecessors, (3376), 3376 states have call successors, (3376) [2022-11-20 11:03:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16610 states to 16610 states and 26524 transitions. [2022-11-20 11:03:52,936 INFO L78 Accepts]: Start accepts. Automaton has 16610 states and 26524 transitions. Word has length 32 [2022-11-20 11:03:52,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:03:52,936 INFO L495 AbstractCegarLoop]: Abstraction has 16610 states and 26524 transitions. [2022-11-20 11:03:52,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:03:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16610 states and 26524 transitions. [2022-11-20 11:03:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 11:03:52,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:03:52,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:03:53,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:53,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:53,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:03:53,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:03:53,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2140018186, now seen corresponding path program 1 times [2022-11-20 11:03:53,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:03:53,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330883367] [2022-11-20 11:03:53,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:03:53,164 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 11:03:53,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:03:53,165 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:03:53,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:13,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 5759 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:13,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:13,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:04:13,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:04:13,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330883367] [2022-11-20 11:04:13,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330883367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:13,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:13,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:04:13,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077189473] [2022-11-20 11:04:13,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:13,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:04:13,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:04:13,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:13,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:13,220 INFO L87 Difference]: Start difference. First operand 16610 states and 26524 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:04:14,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:15,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:15,879 INFO L93 Difference]: Finished difference Result 49744 states and 79430 transitions. [2022-11-20 11:04:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:15,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-11-20 11:04:15,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:16,056 INFO L225 Difference]: With dead ends: 49744 [2022-11-20 11:04:16,056 INFO L226 Difference]: Without dead ends: 33137 [2022-11-20 11:04:16,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 11:04:16,129 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 3330 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3330 SdHoareTripleChecker+Valid, 7152 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:16,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3330 Valid, 7152 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:04:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33137 states. [2022-11-20 11:04:17,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33137 to 33122. [2022-11-20 11:04:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33122 states, 25579 states have (on average 1.5405606161304195) internal successors, (39406), 25584 states have internal predecessors, (39406), 6742 states have call successors, (6742), 801 states have call predecessors, (6742), 800 states have return successors, (6736), 6736 states have call predecessors, (6736), 6736 states have call successors, (6736) [2022-11-20 11:04:18,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33122 states to 33122 states and 52884 transitions. [2022-11-20 11:04:18,087 INFO L78 Accepts]: Start accepts. Automaton has 33122 states and 52884 transitions. Word has length 30 [2022-11-20 11:04:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:18,088 INFO L495 AbstractCegarLoop]: Abstraction has 33122 states and 52884 transitions. [2022-11-20 11:04:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:04:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 33122 states and 52884 transitions. [2022-11-20 11:04:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 11:04:18,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:18,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:18,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:18,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:18,315 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:18,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1713772628, now seen corresponding path program 1 times [2022-11-20 11:04:18,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:18,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390336234] [2022-11-20 11:04:18,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:18,321 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 11:04:18,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:18,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:18,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:38,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 5772 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:38,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:04:38,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:04:38,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:04:38,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390336234] [2022-11-20 11:04:38,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390336234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:38,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:38,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:04:38,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472420340] [2022-11-20 11:04:38,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:38,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:04:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:04:38,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:38,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:38,349 INFO L87 Difference]: Start difference. First operand 33122 states and 52884 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:04:39,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:04:41,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:41,661 INFO L93 Difference]: Finished difference Result 99200 states and 158374 transitions. [2022-11-20 11:04:41,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:41,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-11-20 11:04:41,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:42,177 INFO L225 Difference]: With dead ends: 99200 [2022-11-20 11:04:42,177 INFO L226 Difference]: Without dead ends: 66081 [2022-11-20 11:04:42,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:42,346 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 3323 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 7209 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:42,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 7209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:04:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66081 states. [2022-11-20 11:04:45,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66081 to 66066. [2022-11-20 11:04:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66066 states, 51019 states have (on average 1.5400929065642213) internal successors, (78574), 51024 states have internal predecessors, (78574), 13446 states have call successors, (13446), 1601 states have call predecessors, (13446), 1600 states have return successors, (13440), 13440 states have call predecessors, (13440), 13440 states have call successors, (13440) [2022-11-20 11:04:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66066 states to 66066 states and 105460 transitions. [2022-11-20 11:04:46,712 INFO L78 Accepts]: Start accepts. Automaton has 66066 states and 105460 transitions. Word has length 37 [2022-11-20 11:04:46,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:46,715 INFO L495 AbstractCegarLoop]: Abstraction has 66066 states and 105460 transitions. [2022-11-20 11:04:46,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:04:46,716 INFO L276 IsEmpty]: Start isEmpty. Operand 66066 states and 105460 transitions. [2022-11-20 11:04:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 11:04:46,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:46,718 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:46,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:46,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:46,935 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:46,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash 393190319, now seen corresponding path program 1 times [2022-11-20 11:04:46,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:46,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [116076139] [2022-11-20 11:04:46,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:46,941 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 11:04:46,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:46,943 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:04:46,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:05:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:06,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 5761 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:06,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:06,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:05:06,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:06,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:06,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [116076139] [2022-11-20 11:05:06,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [116076139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:06,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:06,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:06,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817533752] [2022-11-20 11:05:06,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:06,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:06,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:06,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:06,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:06,925 INFO L87 Difference]: Start difference. First operand 66066 states and 105460 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:05:08,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:12,194 INFO L93 Difference]: Finished difference Result 197872 states and 315830 transitions. [2022-11-20 11:05:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:12,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2022-11-20 11:05:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:13,013 INFO L225 Difference]: With dead ends: 197872 [2022-11-20 11:05:13,014 INFO L226 Difference]: Without dead ends: 131809 [2022-11-20 11:05:13,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:13,362 INFO L413 NwaCegarLoop]: 3899 mSDtfsCounter, 3329 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3329 SdHoareTripleChecker+Valid, 7240 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:13,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3329 Valid, 7240 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:05:13,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131809 states. [2022-11-20 11:05:19,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131809 to 131794. [2022-11-20 11:05:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131794 states, 101771 states have (on average 1.5395937939098565) internal successors, (156686), 101776 states have internal predecessors, (156686), 26822 states have call successors, (26822), 3201 states have call predecessors, (26822), 3200 states have return successors, (26816), 26816 states have call predecessors, (26816), 26816 states have call successors, (26816) [2022-11-20 11:05:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131794 states to 131794 states and 210324 transitions. [2022-11-20 11:05:20,074 INFO L78 Accepts]: Start accepts. Automaton has 131794 states and 210324 transitions. Word has length 31 [2022-11-20 11:05:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:05:20,075 INFO L495 AbstractCegarLoop]: Abstraction has 131794 states and 210324 transitions. [2022-11-20 11:05:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:05:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 131794 states and 210324 transitions. [2022-11-20 11:05:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 11:05:20,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:05:20,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:05:20,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:05:20,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:05:20,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:05:20,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash 859197427, now seen corresponding path program 1 times [2022-11-20 11:05:20,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:05:20,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356454253] [2022-11-20 11:05:20,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:05:20,305 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 11:05:20,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:05:20,308 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:05:20,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5120173c-0004-4a7f-b5f8-a960bfd4db28/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 11:05:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:40,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 5775 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:40,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:05:40,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:40,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:40,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356454253] [2022-11-20 11:05:40,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356454253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:40,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:40,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:40,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027350691] [2022-11-20 11:05:40,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:40,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:40,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:40,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:40,607 INFO L87 Difference]: Start difference. First operand 131794 states and 210324 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:05:41,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:05:50,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:50,158 INFO L93 Difference]: Finished difference Result 394736 states and 629878 transitions. [2022-11-20 11:05:50,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:50,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-11-20 11:05:50,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:51,261 INFO L225 Difference]: With dead ends: 394736 [2022-11-20 11:05:51,262 INFO L226 Difference]: Without dead ends: 262945 [2022-11-20 11:05:52,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 11:05:52,209 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 3322 mSDsluCounter, 3341 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 7505 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:52,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 7505 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:05:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262945 states.