./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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_72529ad2-d101-450c-87ab-e462221db6cb/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 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a --- 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 11:20:09,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:20:09,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:20:09,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:20:09,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:20:09,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:20:09,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:20:09,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:20:09,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:20:09,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:20:09,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:20:09,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:20:09,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:20:09,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:20:09,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:20:09,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:20:09,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:20:09,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:20:09,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:20:09,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:20:09,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:20:09,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:20:09,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:20:09,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:20:09,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:20:09,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:20:09,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:20:09,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:20:09,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:20:09,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:20:09,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:20:09,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:20:09,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:20:09,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:20:09,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:20:09,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:20:09,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:20:09,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:20:09,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:20:09,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:20:09,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:20:09,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:20:09,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:20:09,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:20:09,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:20:09,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:20:09,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:20:09,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:20:09,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:20:09,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:20:09,790 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:20:09,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:20:09,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:20:09,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:20:09,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:20:09,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:20:09,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:20:09,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:20:09,791 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:20:09,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:20:09,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:20:09,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:20:09,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:20:09,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:20:09,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:20:09,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:20:09,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:20:09,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:20:09,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:20:09,794 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:20:09,794 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:20:09,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:20:09,795 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_72529ad2-d101-450c-87ab-e462221db6cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a [2022-11-20 11:20:10,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:20:10,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:20:10,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:20:10,114 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:20:10,114 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:20:10,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-20 11:20:13,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:20:14,926 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:20:14,926 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-20 11:20:15,036 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/422076fb3/dd98b2e7e90643b8aa7c533f19fbd646/FLAGd058c51af [2022-11-20 11:20:15,059 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/422076fb3/dd98b2e7e90643b8aa7c533f19fbd646 [2022-11-20 11:20:15,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:20:15,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:20:15,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:20:15,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:20:15,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:20:15,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:15" (1/1) ... [2022-11-20 11:20:15,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57caf9d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:15, skipping insertion in model container [2022-11-20 11:20:15,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:15" (1/1) ... [2022-11-20 11:20:15,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:20:15,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:20:16,016 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-20 11:20:16,016 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4402-4403] [2022-11-20 11:20:16,394 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_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[128353,128366] [2022-11-20 11:20:17,141 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.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:1669) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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 11:20:17,152 INFO L158 Benchmark]: Toolchain (without parser) took 2081.85ms. Allocated memory is still 169.9MB. Free memory was 110.9MB in the beginning and 125.1MB in the end (delta: -14.2MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-11-20 11:20:17,153 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:20:17,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2076.48ms. Allocated memory is still 169.9MB. Free memory was 110.5MB in the beginning and 125.1MB in the end (delta: -14.6MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2022-11-20 11:20:17,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 111.1MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2076.48ms. Allocated memory is still 169.9MB. Free memory was 110.5MB in the beginning and 125.1MB in the end (delta: -14.6MB). Peak memory consumption was 45.2MB. 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_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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_72529ad2-d101-450c-87ab-e462221db6cb/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 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a --- 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 11:20:19,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:20:19,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:20:19,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:20:19,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:20:19,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:20:19,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:20:19,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:20:19,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:20:19,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:20:19,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:20:19,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:20:19,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:20:19,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:20:19,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:20:19,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:20:19,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:20:19,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:20:19,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:20:19,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:20:19,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:20:19,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:20:19,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:20:19,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:20:19,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:20:19,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:20:19,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:20:19,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:20:19,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:20:19,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:20:19,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:20:19,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:20:19,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:20:19,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:20:19,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:20:19,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:20:19,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:20:19,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:20:19,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:20:19,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:20:19,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:20:19,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:20:19,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:20:19,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:20:19,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:20:19,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:20:19,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:20:19,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:20:19,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:20:19,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:20:19,884 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:20:19,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:20:19,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:20:19,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:20:19,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:20:19,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:20:19,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:20:19,887 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:20:19,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:20:19,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:20:19,888 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:20:19,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:20:19,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:20:19,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:20:19,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:20:19,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:20:19,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:20:19,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:20:19,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:20:19,895 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:20:19,895 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:20:19,895 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:20:19,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:20:19,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:20:19,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:20:19,897 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_72529ad2-d101-450c-87ab-e462221db6cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a [2022-11-20 11:20:20,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:20:20,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:20:20,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:20:20,402 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:20:20,402 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:20:20,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-20 11:20:23,789 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:20:24,586 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:20:24,587 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-20 11:20:24,667 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/2c3c25add/7f68f9b78b5c4da68a5b73324632c092/FLAGa712ffccd [2022-11-20 11:20:24,690 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/data/2c3c25add/7f68f9b78b5c4da68a5b73324632c092 [2022-11-20 11:20:24,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:20:24,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:20:24,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:20:24,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:20:24,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:20:24,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:24" (1/1) ... [2022-11-20 11:20:24,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba9f0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:24, skipping insertion in model container [2022-11-20 11:20:24,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:20:24" (1/1) ... [2022-11-20 11:20:24,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:20:25,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:20:25,600 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-20 11:20:25,601 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4402-4403] [2022-11-20 11:20:25,986 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_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[128353,128366] [2022-11-20 11:20:30,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:20:30,576 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:20:30,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:20:30,981 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-20 11:20:30,981 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4402-4403] [2022-11-20 11:20:30,987 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_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[128353,128366] [2022-11-20 11:20:31,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:20:31,760 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:20:31,977 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-20 11:20:31,978 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4402-4403] [2022-11-20 11:20:31,997 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_72529ad2-d101-450c-87ab-e462221db6cb/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i[128353,128366] [2022-11-20 11:20:32,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:20:32,927 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:20:32,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32 WrapperNode [2022-11-20 11:20:32,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:20:32,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:20:32,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:20:32,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:20:32,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:33,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:33,725 INFO L138 Inliner]: procedures = 558, calls = 9690, calls flagged for inlining = 292, calls inlined = 262, statements flattened = 16591 [2022-11-20 11:20:33,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:20:33,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:20:33,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:20:33,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:20:33,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:33,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:33,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:33,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,663 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:20:34,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:20:34,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:20:34,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:20:34,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (1/1) ... [2022-11-20 11:20:34,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:20:34,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:20:34,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:20:34,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:20:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_par [2022-11-20 11:20:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_par [2022-11-20 11:20:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 11:20:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_disable [2022-11-20 11:20:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_disable [2022-11-20 11:20:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lvds_identify_vt1636 [2022-11-20 11:20:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lvds_identify_vt1636 [2022-11-20 11:20:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 11:20:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 11:20:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:20:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:20:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_remove [2022-11-20 11:20:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_remove [2022-11-20 11:20:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure get_sync [2022-11-20 11:20:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sync [2022-11-20 11:20:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-20 11:20:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-20 11:20:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure via_read_reg [2022-11-20 11:20:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure via_read_reg [2022-11-20 11:20:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_output_frequency [2022-11-20 11:20:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_output_frequency [2022-11-20 11:20:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure write_dac_reg [2022-11-20 11:20:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dac_reg [2022-11-20 11:20:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure vx855_encode_pll [2022-11-20 11:20:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure vx855_encode_pll [2022-11-20 11:20:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga2_odev_proc_write [2022-11-20 11:20:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga2_odev_proc_write [2022-11-20 11:20:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_resume [2022-11-20 11:20:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_resume [2022-11-20 11:20:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_teardown_mmio [2022-11-20 11:20:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_teardown_mmio [2022-11-20 11:20:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_remove [2022-11-20 11:20:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_remove [2022-11-20 11:20:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_enable_lvds_vt1636 [2022-11-20 11:20:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_enable_lvds_vt1636 [2022-11-20 11:20:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 11:20:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lock_crt [2022-11-20 11:20:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lock_crt [2022-11-20 11:20:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_misc_reg_mask [2022-11-20 11:20:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_misc_reg_mask [2022-11-20 11:20:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2022-11-20 11:20:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2022-11-20 11:20:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-20 11:20:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-20 11:20:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_check_var [2022-11-20 11:20:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_check_var [2022-11-20 11:20:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp1_proc_write [2022-11-20 11:20:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp1_proc_write [2022-11-20 11:20:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:20:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:20:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_readbyte [2022-11-20 11:20:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_readbyte [2022-11-20 11:20:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_timing [2022-11-20 11:20:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_timing [2022-11-20 11:20:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:20:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:20:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:20:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure set_clock_source_common [2022-11-20 11:20:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure set_clock_source_common [2022-11-20 11:20:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure set_dpa_vt1636 [2022-11-20 11:20:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dpa_vt1636 [2022-11-20 11:20:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_FIFO_reg [2022-11-20 11:20:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_FIFO_reg [2022-11-20 11:20:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:20:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:20:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:20:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_primary_pll_encoded [2022-11-20 11:20:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_primary_pll_encoded [2022-11-20 11:20:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure set_color_register [2022-11-20 11:20:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_color_register [2022-11-20 11:20:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:20:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 11:20:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 11:20:34,946 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2022-11-20 11:20:34,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2022-11-20 11:20:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:20:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:20:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_get_best_mode [2022-11-20 11:20:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_get_best_mode [2022-11-20 11:20:34,948 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-20 11:20:34,948 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-20 11:20:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 11:20:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 11:20:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-20 11:20:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-20 11:20:34,949 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_write [2022-11-20 11:20:34,949 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_write [2022-11-20 11:20:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_read [2022-11-20 11:20:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_read [2022-11-20 11:20:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_disable_lvds_vt1636 [2022-11-20 11:20:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_disable_lvds_vt1636 [2022-11-20 11:20:34,950 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_read [2022-11-20 11:20:34,950 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_read [2022-11-20 11:20:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2022-11-20 11:20:34,951 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2022-11-20 11:20:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure get_clk_range_index [2022-11-20 11:20:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure get_clk_range_index [2022-11-20 11:20:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:20:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:20:34,953 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_enable [2022-11-20 11:20:34,953 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_enable [2022-11-20 11:20:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:20:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:20:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 11:20:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 11:20:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2022-11-20 11:20:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_copyarea [2022-11-20 11:20:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:20:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:20:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 11:20:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 11:20:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure get_var_refresh [2022-11-20 11:20:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_var_refresh [2022-11-20 11:20:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 11:20:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 11:20:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_unlock_crt [2022-11-20 11:20:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_unlock_crt [2022-11-20 11:20:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-11-20 11:20:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-11-20 11:20:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_fetch_count_reg [2022-11-20 11:20:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_fetch_count_reg [2022-11-20 11:20:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8_from_user [2022-11-20 11:20:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8_from_user [2022-11-20 11:20:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:20:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_register [2022-11-20 11:20:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_register [2022-11-20 11:20:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-20 11:20:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-20 11:20:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_reset_engine [2022-11-20 11:20:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_reset_engine [2022-11-20 11:20:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2022-11-20 11:20:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2022-11-20 11:20:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:20:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_disable [2022-11-20 11:20:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_disable [2022-11-20 11:20:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:20:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:20:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:20:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~C_INT [2022-11-20 11:20:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u32~0~X~~u32~0~X~~u8~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u32~0~X~~u8~0~TO~C_INT [2022-11-20 11:20:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvi_devices [2022-11-20 11:20:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvi_devices [2022-11-20 11:20:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:20:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:20:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:20:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:20:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:20:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 11:20:34,973 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 11:20:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_vt1636_proc_write [2022-11-20 11:20:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_vt1636_proc_write [2022-11-20 11:20:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_writebyte [2022-11-20 11:20:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_writebyte [2022-11-20 11:20:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure via_gpio_set [2022-11-20 11:20:34,974 INFO L138 BoogieDeclarations]: Found implementation of procedure via_gpio_set [2022-11-20 11:20:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_timing [2022-11-20 11:20:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_timing [2022-11-20 11:20:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_address [2022-11-20 11:20:34,975 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_address [2022-11-20 11:20:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_timing [2022-11-20 11:20:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_timing [2022-11-20 11:20:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_reg [2022-11-20 11:20:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_reg [2022-11-20 11:20:34,976 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2022-11-20 11:20:34,976 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2022-11-20 11:20:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:20:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:20:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:20:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_read [2022-11-20 11:20:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_read [2022-11-20 11:20:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_enable [2022-11-20 11:20:34,977 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_enable [2022-11-20 11:20:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_probe [2022-11-20 11:20:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_probe [2022-11-20 11:20:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure set_engine_pll_encoded [2022-11-20 11:20:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure set_engine_pll_encoded [2022-11-20 11:20:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure odev_update [2022-11-20 11:20:34,978 INFO L138 BoogieDeclarations]: Found implementation of procedure odev_update [2022-11-20 11:20:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:20:34,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:20:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_sync_polarity [2022-11-20 11:20:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_sync_polarity [2022-11-20 11:20:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:20:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:20:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_suspend [2022-11-20 11:20:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_suspend [2022-11-20 11:20:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_read_lvds [2022-11-20 11:20:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_read_lvds [2022-11-20 11:20:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:20:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-20 11:20:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-20 11:20:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_remove [2022-11-20 11:20:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_remove [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-20 11:20:34,983 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:20:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:20:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2022-11-20 11:20:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2022-11-20 11:20:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:20:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:20:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-20 11:20:34,984 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-20 11:20:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure parse_mode [2022-11-20 11:20:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_mode [2022-11-20 11:20:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure set_lcd_output_path [2022-11-20 11:20:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure set_lcd_output_path [2022-11-20 11:20:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure via_teardown_subdevs [2022-11-20 11:20:34,985 INFO L138 BoogieDeclarations]: Found implementation of procedure via_teardown_subdevs [2022-11-20 11:20:34,985 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-20 11:20:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-20 11:20:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_state [2022-11-20 11:20:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_state [2022-11-20 11:20:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcd_devices [2022-11-20 11:20:34,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcd_devices [2022-11-20 11:20:34,986 INFO L130 BoogieDeclarations]: Found specification of procedure probe___0 [2022-11-20 11:20:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___0 [2022-11-20 11:20:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure probe___1 [2022-11-20 11:20:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___1 [2022-11-20 11:20:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure probe___3 [2022-11-20 11:20:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___3 [2022-11-20 11:20:34,987 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_source [2022-11-20 11:20:34,987 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_source [2022-11-20 11:20:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_var_timing_info [2022-11-20 11:20:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_var_timing_info [2022-11-20 11:20:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:20:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:20:34,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2022-11-20 11:20:34,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2022-11-20 11:20:34,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:20:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-11-20 11:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-11-20 11:20:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-20 11:20:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-20 11:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg_mask [2022-11-20 11:20:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg_mask [2022-11-20 11:20:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-20 11:20:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-20 11:20:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:20:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:20:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:20:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:20:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_resume [2022-11-20 11:20:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_resume [2022-11-20 11:20:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure via_resume [2022-11-20 11:20:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure via_resume [2022-11-20 11:20:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:20:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:20:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:20:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure cle266_encode_pll [2022-11-20 11:20:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cle266_encode_pll [2022-11-20 11:20:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-11-20 11:20:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-11-20 11:20:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:20:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-20 11:20:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-20 11:20:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_write_regx [2022-11-20 11:20:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_write_regx [2022-11-20 11:20:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-20 11:20:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-20 11:20:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:20:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_free [2022-11-20 11:20:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_free [2022-11-20 11:20:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:20:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:20:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:20:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:20:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:20:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:20:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_suspend [2022-11-20 11:20:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_suspend [2022-11-20 11:20:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_sync [2022-11-20 11:20:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_sync [2022-11-20 11:20:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_probe [2022-11-20 11:20:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_probe [2022-11-20 11:20:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 11:20:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 11:20:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 11:20:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 11:20:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2022-11-20 11:20:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2022-11-20 11:20:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~~bool~0~TO~VOID [2022-11-20 11:20:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~~bool~0~TO~VOID [2022-11-20 11:20:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_best_mode [2022-11-20 11:20:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_best_mode [2022-11-20 11:20:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_probe [2022-11-20 11:20:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_probe [2022-11-20 11:20:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:20:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:20:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp0_proc_write [2022-11-20 11:20:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp0_proc_write [2022-11-20 11:20:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_config [2022-11-20 11:20:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_config [2022-11-20 11:20:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure parse_port [2022-11-20 11:20:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_port [2022-11-20 11:20:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_fix [2022-11-20 11:20:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_fix [2022-11-20 11:20:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~VOID [2022-11-20 11:20:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~VOID [2022-11-20 11:20:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-20 11:20:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-20 11:20:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg [2022-11-20 11:20:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg [2022-11-20 11:20:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-20 11:20:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-20 11:20:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2022-11-20 11:20:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2022-11-20 11:20:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_setup_fixinfo [2022-11-20 11:20:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_setup_fixinfo [2022-11-20 11:20:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:20:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:20:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_vclock [2022-11-20 11:20:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_vclock [2022-11-20 11:20:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_sense [2022-11-20 11:20:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_sense [2022-11-20 11:20:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_iga_path [2022-11-20 11:20:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_iga_path [2022-11-20 11:20:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure check_tmds_chip [2022-11-20 11:20:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tmds_chip [2022-11-20 11:20:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:20:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:20:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_unregister [2022-11-20 11:20:35,010 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_unregister [2022-11-20 11:20:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_get_preferred_mode [2022-11-20 11:20:35,010 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_get_preferred_mode [2022-11-20 11:20:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-20 11:20:35,010 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-20 11:20:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:20:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:20:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:20:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:20:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-20 11:20:35,011 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-20 11:20:35,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:20:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:20:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfph_proc_write [2022-11-20 11:20:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfph_proc_write [2022-11-20 11:20:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_disable [2022-11-20 11:20:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_disable [2022-11-20 11:20:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure k800_encode_pll [2022-11-20 11:20:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_encode_pll [2022-11-20 11:20:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 11:20:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 11:20:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 11:20:35,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 11:20:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_set_mode [2022-11-20 11:20:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_set_mode [2022-11-20 11:20:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_enable [2022-11-20 11:20:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_enable [2022-11-20 11:20:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_set_mode [2022-11-20 11:20:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_set_mode [2022-11-20 11:20:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 11:20:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 11:20:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_query_EDID [2022-11-20 11:20:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_query_EDID [2022-11-20 11:20:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pan_display [2022-11-20 11:20:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pan_display [2022-11-20 11:20:35,015 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-20 11:20:35,015 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-20 11:20:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-20 11:20:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-20 11:20:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure via_fb_pci_remove [2022-11-20 11:20:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure via_fb_pci_remove [2022-11-20 11:20:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_dpa_gfx [2022-11-20 11:20:35,016 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_dpa_gfx [2022-11-20 11:20:35,016 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_secondary_pll_encoded [2022-11-20 11:20:35,017 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_secondary_pll_encoded [2022-11-20 11:20:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfpl_proc_write [2022-11-20 11:20:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfpl_proc_write [2022-11-20 11:20:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_device_setting [2022-11-20 11:20:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_device_setting [2022-11-20 11:20:35,018 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_bus_free [2022-11-20 11:20:35,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_bus_free [2022-11-20 11:20:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_address [2022-11-20 11:20:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_address [2022-11-20 11:20:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:20:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:20:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_init_lvds_output_interface [2022-11-20 11:20:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_init_lvds_output_interface [2022-11-20 11:20:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_bpp [2022-11-20 11:20:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_bpp [2022-11-20 11:20:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 11:20:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 11:20:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_crtc_timing [2022-11-20 11:20:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_crtc_timing [2022-11-20 11:20:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure set_source_common [2022-11-20 11:20:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure set_source_common [2022-11-20 11:20:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 11:20:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 11:20:35,025 INFO L130 BoogieDeclarations]: Found specification of procedure machine_is_olpc [2022-11-20 11:20:35,025 INFO L138 BoogieDeclarations]: Found implementation of procedure machine_is_olpc [2022-11-20 11:20:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:20:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:20:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_find_i2c_adapter [2022-11-20 11:20:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_find_i2c_adapter [2022-11-20 11:20:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga1_odev_proc_write [2022-11-20 11:20:35,026 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga1_odev_proc_write [2022-11-20 11:20:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_write [2022-11-20 11:20:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_write [2022-11-20 11:20:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_enable [2022-11-20 11:20:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_enable [2022-11-20 11:20:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_show_hw_cursor [2022-11-20 11:20:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_show_hw_cursor [2022-11-20 11:20:35,027 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2022-11-20 11:20:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2022-11-20 11:20:35,028 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-20 11:20:35,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-20 11:20:36,906 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:20:36,913 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:20:46,358 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:26:06,927 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:26:06,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:26:06,960 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:26:06,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:06 BoogieIcfgContainer [2022-11-20 11:26:06,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:26:06,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:26:06,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:26:06,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:26:06,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:20:24" (1/3) ... [2022-11-20 11:26:06,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d28aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:06, skipping insertion in model container [2022-11-20 11:26:06,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:20:32" (2/3) ... [2022-11-20 11:26:06,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0d28aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:06, skipping insertion in model container [2022-11-20 11:26:06,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:06" (3/3) ... [2022-11-20 11:26:06,978 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--video--fbdev--via--viafb.ko-entry_point.cil.out.i [2022-11-20 11:26:07,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:26:07,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:26:07,181 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:26:07,193 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;@513488ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:26:07,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:26:07,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 4535 states, 3222 states have (on average 1.4422718808193669) internal successors, (4647), 3400 states have internal predecessors, (4647), 1123 states have call successors, (1123), 189 states have call predecessors, (1123), 188 states have return successors, (1104), 1043 states have call predecessors, (1104), 1104 states have call successors, (1104) [2022-11-20 11:26:07,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 11:26:07,276 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:07,277 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:07,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:07,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1085887458, now seen corresponding path program 1 times [2022-11-20 11:26:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:07,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818206506] [2022-11-20 11:26:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:07,331 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 11:26:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:07,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:26:07,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:26:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:42,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 10292 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:26:42,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 11:26:42,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:42,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:42,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818206506] [2022-11-20 11:26:42,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818206506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:42,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:42,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:26:42,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172887491] [2022-11-20 11:26:42,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:42,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:26:42,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:42,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:26:42,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:26:42,863 INFO L87 Difference]: Start difference. First operand has 4535 states, 3222 states have (on average 1.4422718808193669) internal successors, (4647), 3400 states have internal predecessors, (4647), 1123 states have call successors, (1123), 189 states have call predecessors, (1123), 188 states have return successors, (1104), 1043 states have call predecessors, (1104), 1104 states have call successors, (1104) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:26:44,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:44,055 INFO L93 Difference]: Finished difference Result 9068 states and 13878 transitions. [2022-11-20 11:26:44,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:26:44,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2022-11-20 11:26:44,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:44,129 INFO L225 Difference]: With dead ends: 9068 [2022-11-20 11:26:44,129 INFO L226 Difference]: Without dead ends: 4495 [2022-11-20 11:26:44,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:26:44,183 INFO L413 NwaCegarLoop]: 6867 mSDtfsCounter, 2 mSDsluCounter, 13727 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 20594 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:44,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20594 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:26:44,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2022-11-20 11:26:44,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 4495. [2022-11-20 11:26:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4495 states, 3206 states have (on average 1.4369931378665004) internal successors, (4607), 3363 states have internal predecessors, (4607), 1102 states have call successors, (1102), 187 states have call predecessors, (1102), 186 states have return successors, (1101), 1040 states have call predecessors, (1101), 1101 states have call successors, (1101) [2022-11-20 11:26:44,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4495 states to 4495 states and 6810 transitions. [2022-11-20 11:26:44,836 INFO L78 Accepts]: Start accepts. Automaton has 4495 states and 6810 transitions. Word has length 84 [2022-11-20 11:26:44,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:44,839 INFO L495 AbstractCegarLoop]: Abstraction has 4495 states and 6810 transitions. [2022-11-20 11:26:44,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:26:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 4495 states and 6810 transitions. [2022-11-20 11:26:44,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 11:26:44,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:44,867 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:45,080 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-11-20 11:26:45,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:26:45,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:26:45,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:45,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash -275279309, now seen corresponding path program 1 times [2022-11-20 11:26:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:45,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412198307] [2022-11-20 11:26:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:45,117 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 11:26:45,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:45,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:26:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:27:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:20,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 10303 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:27:20,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 11:27:21,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:27:23,027 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 11:27:23,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:23,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412198307] [2022-11-20 11:27:23,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412198307] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:27:23,028 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:27:23,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:27:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492671109] [2022-11-20 11:27:23,029 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:27:23,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:27:23,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:23,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:27:23,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:27:23,032 INFO L87 Difference]: Start difference. First operand 4495 states and 6810 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:27:27,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:27,189 INFO L93 Difference]: Finished difference Result 8995 states and 13635 transitions. [2022-11-20 11:27:27,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:27:27,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 85 [2022-11-20 11:27:27,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:27,235 INFO L225 Difference]: With dead ends: 8995 [2022-11-20 11:27:27,235 INFO L226 Difference]: Without dead ends: 4504 [2022-11-20 11:27:27,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:27:27,267 INFO L413 NwaCegarLoop]: 6803 mSDtfsCounter, 11 mSDsluCounter, 33990 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40793 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:27,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40793 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 11:27:27,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-11-20 11:27:27,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 4504. [2022-11-20 11:27:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 3214 states have (on average 1.4368388301182327) internal successors, (4618), 3371 states have internal predecessors, (4618), 1102 states have call successors, (1102), 188 states have call predecessors, (1102), 187 states have return successors, (1101), 1040 states have call predecessors, (1101), 1101 states have call successors, (1101) [2022-11-20 11:27:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 6821 transitions. [2022-11-20 11:27:27,540 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 6821 transitions. Word has length 85 [2022-11-20 11:27:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:27,541 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 6821 transitions. [2022-11-20 11:27:27,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-20 11:27:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 6821 transitions. [2022-11-20 11:27:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 11:27:27,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:27,558 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:27:27,788 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-11-20 11:27:27,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:27:27,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:27:27,845 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:27,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:27,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1084618402, now seen corresponding path program 2 times [2022-11-20 11:27:27,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1018258657] [2022-11-20 11:27:27,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:27:27,864 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 11:27:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:27,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:27:27,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:03,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:28:03,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:28:03,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 10159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:28:04,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 11:28:05,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:05,591 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:05,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1018258657] [2022-11-20 11:28:05,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1018258657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:05,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:05,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:28:05,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602922386] [2022-11-20 11:28:05,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:05,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:28:05,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:05,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:28:05,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:28:05,593 INFO L87 Difference]: Start difference. First operand 4504 states and 6821 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:28:08,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:08,574 INFO L93 Difference]: Finished difference Result 9008 states and 13645 transitions. [2022-11-20 11:28:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:28:08,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 88 [2022-11-20 11:28:08,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:08,619 INFO L225 Difference]: With dead ends: 9008 [2022-11-20 11:28:08,620 INFO L226 Difference]: Without dead ends: 4519 [2022-11-20 11:28:08,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:28:08,651 INFO L413 NwaCegarLoop]: 6809 mSDtfsCounter, 50 mSDsluCounter, 20382 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 27191 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:28:08,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 27191 Invalid, 38 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 11:28:08,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2022-11-20 11:28:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4519. [2022-11-20 11:28:08,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4519 states, 3226 states have (on average 1.4361438313701178) internal successors, (4633), 3383 states have internal predecessors, (4633), 1104 states have call successors, (1104), 189 states have call predecessors, (1104), 188 states have return successors, (1103), 1042 states have call predecessors, (1103), 1103 states have call successors, (1103) [2022-11-20 11:28:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6840 transitions. [2022-11-20 11:28:08,898 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 6840 transitions. Word has length 88 [2022-11-20 11:28:08,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:08,899 INFO L495 AbstractCegarLoop]: Abstraction has 4519 states and 6840 transitions. [2022-11-20 11:28:08,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 4 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:28:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 6840 transitions. [2022-11-20 11:28:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 11:28:08,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:08,913 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:28:09,114 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 11:28:09,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:09,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:09,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:28:09,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:09,230 INFO L85 PathProgramCache]: Analyzing trace with hash -841734673, now seen corresponding path program 1 times [2022-11-20 11:28:09,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:09,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579864681] [2022-11-20 11:28:09,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:09,248 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 11:28:09,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:09,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:09,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:28:45,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 10338 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:28:45,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:28:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 11:28:45,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:28:45,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:28:45,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579864681] [2022-11-20 11:28:45,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579864681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:28:45,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:28:45,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:28:45,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125339945] [2022-11-20 11:28:45,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:28:45,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:28:45,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:28:45,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:28:45,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:28:45,415 INFO L87 Difference]: Start difference. First operand 4519 states and 6840 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:28:47,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:28:51,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:28:51,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:28:51,753 INFO L93 Difference]: Finished difference Result 12781 states and 19256 transitions. [2022-11-20 11:28:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:28:51,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2022-11-20 11:28:51,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:28:51,822 INFO L225 Difference]: With dead ends: 12781 [2022-11-20 11:28:51,822 INFO L226 Difference]: Without dead ends: 8277 [2022-11-20 11:28:51,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:28:51,855 INFO L413 NwaCegarLoop]: 8161 mSDtfsCounter, 5595 mSDsluCounter, 6758 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 14919 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:28:51,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5595 Valid, 14919 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-20 11:28:51,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2022-11-20 11:28:52,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8272. [2022-11-20 11:28:52,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8272 states, 5857 states have (on average 1.422400546354789) internal successors, (8331), 6136 states have internal predecessors, (8331), 2050 states have call successors, (2050), 365 states have call predecessors, (2050), 364 states have return successors, (2049), 1938 states have call predecessors, (2049), 2049 states have call successors, (2049) [2022-11-20 11:28:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 12430 transitions. [2022-11-20 11:28:52,408 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 12430 transitions. Word has length 89 [2022-11-20 11:28:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:28:52,408 INFO L495 AbstractCegarLoop]: Abstraction has 8272 states and 12430 transitions. [2022-11-20 11:28:52,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:28:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 12430 transitions. [2022-11-20 11:28:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-20 11:28:52,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:28:52,430 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:28:52,655 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-11-20 11:28:52,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:52,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:52,746 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:28:52,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:28:52,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1878637892, now seen corresponding path program 1 times [2022-11-20 11:28:52,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:28:52,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [54980039] [2022-11-20 11:28:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:28:52,766 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 11:28:52,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:28:52,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:28:52,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:29:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:29:29,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 10752 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:29:29,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:29:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 11:29:30,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:29:30,341 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:29:30,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [54980039] [2022-11-20 11:29:30,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [54980039] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:29:30,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:29:30,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:29:30,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330196761] [2022-11-20 11:29:30,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:29:30,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:29:30,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:29:30,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:29:30,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:30,344 INFO L87 Difference]: Start difference. First operand 8272 states and 12430 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 11:29:32,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:29:34,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:29:34,009 INFO L93 Difference]: Finished difference Result 22503 states and 33834 transitions. [2022-11-20 11:29:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:29:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 134 [2022-11-20 11:29:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:29:34,125 INFO L225 Difference]: With dead ends: 22503 [2022-11-20 11:29:34,126 INFO L226 Difference]: Without dead ends: 14244 [2022-11-20 11:29:34,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:29:34,175 INFO L413 NwaCegarLoop]: 8228 mSDtfsCounter, 5226 mSDsluCounter, 6782 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5226 SdHoareTripleChecker+Valid, 15010 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:29:34,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 15010 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 11:29:34,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14244 states. [2022-11-20 11:29:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14244 to 14241. [2022-11-20 11:29:35,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14241 states, 10029 states have (on average 1.4247681723003291) internal successors, (14289), 10548 states have internal predecessors, (14289), 3564 states have call successors, (3564), 648 states have call predecessors, (3564), 647 states have return successors, (3563), 3358 states have call predecessors, (3563), 3563 states have call successors, (3563) [2022-11-20 11:29:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14241 states to 14241 states and 21416 transitions. [2022-11-20 11:29:35,246 INFO L78 Accepts]: Start accepts. Automaton has 14241 states and 21416 transitions. Word has length 134 [2022-11-20 11:29:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:29:35,249 INFO L495 AbstractCegarLoop]: Abstraction has 14241 states and 21416 transitions. [2022-11-20 11:29:35,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 11:29:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 14241 states and 21416 transitions. [2022-11-20 11:29:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-20 11:29:35,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:29:35,292 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:29:35,515 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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)] Forcibly destroying the process [2022-11-20 11:29:35,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:29:35,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:29:35,608 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:29:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:29:35,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1277868621, now seen corresponding path program 1 times [2022-11-20 11:29:35,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:29:35,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805586431] [2022-11-20 11:29:35,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:29:35,626 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 11:29:35,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:29:35,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:29:35,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:30:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:10,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 10891 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:30:10,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-20 11:30:11,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:11,437 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:11,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805586431] [2022-11-20 11:30:11,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805586431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:11,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:11,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:30:11,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366946934] [2022-11-20 11:30:11,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:11,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:30:11,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:11,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:30:11,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:11,441 INFO L87 Difference]: Start difference. First operand 14241 states and 21416 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:30:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:12,674 INFO L93 Difference]: Finished difference Result 28910 states and 43534 transitions. [2022-11-20 11:30:12,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:30:12,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 252 [2022-11-20 11:30:12,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:12,766 INFO L225 Difference]: With dead ends: 28910 [2022-11-20 11:30:12,767 INFO L226 Difference]: Without dead ends: 14684 [2022-11-20 11:30:12,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:30:12,832 INFO L413 NwaCegarLoop]: 7233 mSDtfsCounter, 1939 mSDsluCounter, 19630 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 26863 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:12,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2300 Valid, 26863 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:30:12,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14684 states. [2022-11-20 11:30:13,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14684 to 14241. [2022-11-20 11:30:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14241 states, 10029 states have (on average 1.4243693289460564) internal successors, (14285), 10548 states have internal predecessors, (14285), 3564 states have call successors, (3564), 648 states have call predecessors, (3564), 647 states have return successors, (3563), 3358 states have call predecessors, (3563), 3563 states have call successors, (3563) [2022-11-20 11:30:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14241 states to 14241 states and 21412 transitions. [2022-11-20 11:30:13,972 INFO L78 Accepts]: Start accepts. Automaton has 14241 states and 21412 transitions. Word has length 252 [2022-11-20 11:30:13,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:13,973 INFO L495 AbstractCegarLoop]: Abstraction has 14241 states and 21412 transitions. [2022-11-20 11:30:13,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:30:13,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14241 states and 21412 transitions. [2022-11-20 11:30:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-20 11:30:14,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:14,012 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:14,235 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-11-20 11:30:14,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:14,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:14,335 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:30:14,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:14,335 INFO L85 PathProgramCache]: Analyzing trace with hash -90891279, now seen corresponding path program 1 times [2022-11-20 11:30:14,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:14,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632770490] [2022-11-20 11:30:14,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:14,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:14,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:14,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:30:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:30:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:30:52,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 10890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:30:52,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-20 11:30:52,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:30:52,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:52,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632770490] [2022-11-20 11:30:52,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632770490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:30:52,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:30:52,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:30:52,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438734073] [2022-11-20 11:30:52,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:30:52,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:30:52,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:52,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:30:52,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:52,924 INFO L87 Difference]: Start difference. First operand 14241 states and 21412 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:30:53,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:53,719 INFO L93 Difference]: Finished difference Result 28495 states and 42867 transitions. [2022-11-20 11:30:53,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:30:53,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 252 [2022-11-20 11:30:53,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:53,808 INFO L225 Difference]: With dead ends: 28495 [2022-11-20 11:30:53,809 INFO L226 Difference]: Without dead ends: 14269 [2022-11-20 11:30:53,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:30:53,877 INFO L413 NwaCegarLoop]: 6809 mSDtfsCounter, 15 mSDsluCounter, 6787 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 13596 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:53,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 13596 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:30:53,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14269 states. [2022-11-20 11:30:54,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14269 to 14245. [2022-11-20 11:30:54,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14245 states, 10033 states have (on average 1.4242001395395196) internal successors, (14289), 10552 states have internal predecessors, (14289), 3564 states have call successors, (3564), 648 states have call predecessors, (3564), 647 states have return successors, (3563), 3358 states have call predecessors, (3563), 3563 states have call successors, (3563) [2022-11-20 11:30:55,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 21416 transitions. [2022-11-20 11:30:55,054 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 21416 transitions. Word has length 252 [2022-11-20 11:30:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:55,055 INFO L495 AbstractCegarLoop]: Abstraction has 14245 states and 21416 transitions. [2022-11-20 11:30:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 11:30:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 21416 transitions. [2022-11-20 11:30:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 11:30:55,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:55,092 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:55,317 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forcibly destroying the process [2022-11-20 11:30:55,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:30:55,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:55,400 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:30:55,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:55,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1717615328, now seen corresponding path program 1 times [2022-11-20 11:30:55,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:55,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339876856] [2022-11-20 11:30:55,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:30:55,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:55,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:55,426 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:30:55,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 11:31:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:31:31,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 10865 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:31:31,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:31:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-20 11:31:38,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:31:38,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:31:38,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339876856] [2022-11-20 11:31:38,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339876856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:31:38,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:31:38,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:31:38,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876407618] [2022-11-20 11:31:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:31:38,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:31:38,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:31:38,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:31:38,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:31:38,235 INFO L87 Difference]: Start difference. First operand 14245 states and 21416 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 11:31:41,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:33:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:33:47,426 INFO L93 Difference]: Finished difference Result 28483 states and 42831 transitions. [2022-11-20 11:33:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:33:47,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 254 [2022-11-20 11:33:47,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:33:47,500 INFO L225 Difference]: With dead ends: 28483 [2022-11-20 11:33:47,501 INFO L226 Difference]: Without dead ends: 14253 [2022-11-20 11:33:47,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:33:47,546 INFO L413 NwaCegarLoop]: 6797 mSDtfsCounter, 6764 mSDsluCounter, 9177 mSDsCounter, 0 mSdLazyCounter, 4414 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6773 SdHoareTripleChecker+Valid, 15974 SdHoareTripleChecker+Invalid, 4422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 4414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 127.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:33:47,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6773 Valid, 15974 Invalid, 4422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 4414 Invalid, 0 Unknown, 0 Unchecked, 127.6s Time] [2022-11-20 11:33:47,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14253 states. [2022-11-20 11:33:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14253 to 14253. [2022-11-20 11:33:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14253 states, 10037 states have (on average 1.4240310849855535) internal successors, (14293), 10560 states have internal predecessors, (14293), 3564 states have call successors, (3564), 648 states have call predecessors, (3564), 651 states have return successors, (3569), 3358 states have call predecessors, (3569), 3563 states have call successors, (3569) [2022-11-20 11:33:48,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14253 states to 14253 states and 21426 transitions. [2022-11-20 11:33:48,739 INFO L78 Accepts]: Start accepts. Automaton has 14253 states and 21426 transitions. Word has length 254 [2022-11-20 11:33:48,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:33:48,739 INFO L495 AbstractCegarLoop]: Abstraction has 14253 states and 21426 transitions. [2022-11-20 11:33:48,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 11:33:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 14253 states and 21426 transitions. [2022-11-20 11:33:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-20 11:33:48,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:33:48,770 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:33:48,984 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forcibly destroying the process [2022-11-20 11:33:49,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:33:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:33:49,035 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:33:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:33:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash 497620613, now seen corresponding path program 1 times [2022-11-20 11:33:49,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:33:49,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417779418] [2022-11-20 11:33:49,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:33:49,054 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 11:33:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:33:49,055 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:33:49,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 11:34:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:34:24,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 10909 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:34:24,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:34:25,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-20 11:34:25,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:34:25,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:34:25,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417779418] [2022-11-20 11:34:25,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417779418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:34:25,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:34:25,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:34:25,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578788839] [2022-11-20 11:34:25,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:34:25,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:34:25,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:34:25,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:34:25,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:34:25,116 INFO L87 Difference]: Start difference. First operand 14253 states and 21426 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 11:34:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:34:26,960 INFO L93 Difference]: Finished difference Result 28519 states and 42883 transitions. [2022-11-20 11:34:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:34:26,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 257 [2022-11-20 11:34:26,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:34:27,050 INFO L225 Difference]: With dead ends: 28519 [2022-11-20 11:34:27,051 INFO L226 Difference]: Without dead ends: 14263 [2022-11-20 11:34:27,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:34:27,114 INFO L413 NwaCegarLoop]: 6804 mSDtfsCounter, 29 mSDsluCounter, 13564 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 20368 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:34:27,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 20368 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:34:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2022-11-20 11:34:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 14263. [2022-11-20 11:34:28,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14263 states, 10045 states have (on average 1.4238924838227973) internal successors, (14303), 10570 states have internal predecessors, (14303), 3564 states have call successors, (3564), 648 states have call predecessors, (3564), 653 states have return successors, (3573), 3358 states have call predecessors, (3573), 3563 states have call successors, (3573) [2022-11-20 11:34:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14263 states to 14263 states and 21440 transitions. [2022-11-20 11:34:28,658 INFO L78 Accepts]: Start accepts. Automaton has 14263 states and 21440 transitions. Word has length 257 [2022-11-20 11:34:28,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:34:28,659 INFO L495 AbstractCegarLoop]: Abstraction has 14263 states and 21440 transitions. [2022-11-20 11:34:28,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 11:34:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 14263 states and 21440 transitions. [2022-11-20 11:34:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 11:34:28,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:34:28,689 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:34:28,917 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forcibly destroying the process [2022-11-20 11:34:28,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 11:34:28,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:34:28,987 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:34:28,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:34:28,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1736574971, now seen corresponding path program 1 times [2022-11-20 11:34:29,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:34:29,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526391986] [2022-11-20 11:34:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:34:29,012 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 11:34:29,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:34:29,013 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 11:34:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72529ad2-d101-450c-87ab-e462221db6cb/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 (11)] Waiting until timeout for monitored process