./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 b5237d83 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:32:24,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:32:24,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:32:24,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:32:24,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:32:24,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:32:24,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:32:24,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:32:24,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:32:24,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:32:24,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:32:24,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:32:24,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:32:24,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:32:24,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:32:24,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:32:24,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:32:24,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:32:24,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:32:24,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:32:24,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:32:24,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:32:24,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:32:24,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:32:24,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:32:24,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:32:24,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:32:24,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:32:24,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:32:24,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:32:24,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:32:24,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:32:24,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:32:24,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:32:24,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:32:24,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:32:24,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:32:24,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:32:24,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:32:24,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:32:24,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:32:24,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:32:25,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:32:25,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:32:25,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:32:25,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:32:25,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:32:25,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:32:25,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:32:25,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:32:25,042 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:32:25,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:32:25,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:32:25,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:32:25,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:32:25,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:32:25,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:32:25,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:32:25,043 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:32:25,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:32:25,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:32:25,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:32:25,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:32:25,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:32:25,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:32:25,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:32:25,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:32:25,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:32:25,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:32:25,046 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:32:25,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:32:25,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:32:25,046 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a [2022-11-21 16:32:25,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:32:25,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:32:25,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:32:25,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:32:25,350 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:32:25,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 16:32:28,345 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:32:29,106 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:32:29,107 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/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 [2022-11-21 16:32:29,168 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/31c4aba90/955926ec5aad4e7e81c93ae0f3e9b190/FLAGadb45be70 [2022-11-21 16:32:29,184 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/31c4aba90/955926ec5aad4e7e81c93ae0f3e9b190 [2022-11-21 16:32:29,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:32:29,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:32:29,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:32:29,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:32:29,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:32:29,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:29" (1/1) ... [2022-11-21 16:32:29,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a30158e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:29, skipping insertion in model container [2022-11-21 16:32:29,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:29" (1/1) ... [2022-11-21 16:32:29,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:32:29,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:32:29,952 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-21 16:32:29,952 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] [2022-11-21 16:32:30,291 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/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] [2022-11-21 16:32:31,757 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: Unknown Expression StructAccessExpression at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValueFromBinaryExpression(TypeSizes.java:562) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:416) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:367) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 16:32:31,766 INFO L158 Benchmark]: Toolchain (without parser) took 2572.42ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 90.3MB in the beginning and 116.1MB in the end (delta: -25.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-21 16:32:31,766 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:32:31,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2568.16ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 90.3MB in the beginning and 116.1MB in the end (delta: -25.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-11-21 16:32:31,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2568.16ms. Allocated memory was 155.2MB in the beginning and 199.2MB in the end (delta: 44.0MB). Free memory was 90.3MB in the beginning and 116.1MB in the end (delta: -25.8MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: Unknown Expression StructAccessExpression de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: Unknown Expression StructAccessExpression: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:424) 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 16:32:34,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:32:34,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:32:34,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:32:34,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:32:34,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:32:34,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:32:34,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:32:34,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:32:34,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:32:34,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:32:34,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:32:34,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:32:34,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:32:34,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:32:34,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:32:34,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:32:34,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:32:34,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:32:34,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:32:34,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:32:34,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:32:34,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:32:34,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:32:34,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:32:34,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:32:34,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:32:34,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:32:34,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:32:34,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:32:34,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:32:34,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:32:34,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:32:34,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:32:34,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:32:34,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:32:34,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:32:34,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:32:34,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:32:34,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:32:34,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:32:34,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:32:34,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:32:34,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:32:34,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:32:34,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:32:34,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:32:34,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:32:34,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:32:34,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:32:34,272 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:32:34,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:32:34,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:32:34,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:32:34,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:32:34,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:32:34,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:32:34,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:32:34,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:32:34,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:32:34,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:32:34,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:32:34,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:32:34,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:32:34,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:32:34,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:32:34,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:32:34,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:32:34,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:32:34,286 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:32:34,287 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:32:34,287 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:32:34,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:32:34,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:32:34,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:32:34,288 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79c59911d632f64892b46f6f0160c6d774def495341e39ab1ffb5f3f230d8f6a [2022-11-21 16:32:34,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:32:34,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:32:34,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:32:34,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:32:34,674 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:32:34,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 16:32:37,616 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:32:38,563 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:32:38,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/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 [2022-11-21 16:32:38,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/79a03b568/cd619e7f1bcd4c0f81b62e2176970e82/FLAG160d3c490 [2022-11-21 16:32:38,634 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/data/79a03b568/cd619e7f1bcd4c0f81b62e2176970e82 [2022-11-21 16:32:38,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:32:38,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:32:38,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:32:38,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:32:38,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:32:38,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:38" (1/1) ... [2022-11-21 16:32:38,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42067c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:38, skipping insertion in model container [2022-11-21 16:32:38,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:32:38" (1/1) ... [2022-11-21 16:32:38,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:32:38,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:32:39,381 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-21 16:32:39,382 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] [2022-11-21 16:32:39,829 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/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] [2022-11-21 16:32:43,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:32:43,760 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 16:32:43,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:32:43,982 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-21 16:32:43,982 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] [2022-11-21 16:32:43,988 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/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] [2022-11-21 16:32:44,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:32:44,778 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:32:44,853 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4401] [2022-11-21 16:32:44,853 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] [2022-11-21 16:32:44,858 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_396d2a9b-c559-4277-91e4-b0b10a8037ba/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] [2022-11-21 16:32:45,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:32:45,878 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:32:45,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45 WrapperNode [2022-11-21 16:32:45,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:32:45,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:32:45,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:32:45,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:32:45,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:46,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:46,732 INFO L138 Inliner]: procedures = 558, calls = 9690, calls flagged for inlining = 292, calls inlined = 262, statements flattened = 16591 [2022-11-21 16:32:46,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:32:46,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:32:46,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:32:46,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:32:46,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:46,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:46,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:46,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,530 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:32:47,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:32:47,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:32:47,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:32:47,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (1/1) ... [2022-11-21 16:32:47,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:32:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:32:47,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:32:47,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:32:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_par [2022-11-21 16:32:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_par [2022-11-21 16:32:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-21 16:32:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_disable [2022-11-21 16:32:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_disable [2022-11-21 16:32:47,763 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lvds_identify_vt1636 [2022-11-21 16:32:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lvds_identify_vt1636 [2022-11-21 16:32:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 16:32:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 16:32:47,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:32:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:32:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_remove [2022-11-21 16:32:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_remove [2022-11-21 16:32:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure get_sync [2022-11-21 16:32:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure get_sync [2022-11-21 16:32:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-21 16:32:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-21 16:32:47,766 INFO L130 BoogieDeclarations]: Found specification of procedure via_read_reg [2022-11-21 16:32:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure via_read_reg [2022-11-21 16:32:47,767 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_output_frequency [2022-11-21 16:32:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_output_frequency [2022-11-21 16:32:47,768 INFO L130 BoogieDeclarations]: Found specification of procedure write_dac_reg [2022-11-21 16:32:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dac_reg [2022-11-21 16:32:47,769 INFO L130 BoogieDeclarations]: Found specification of procedure vx855_encode_pll [2022-11-21 16:32:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vx855_encode_pll [2022-11-21 16:32:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga2_odev_proc_write [2022-11-21 16:32:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga2_odev_proc_write [2022-11-21 16:32:47,770 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_resume [2022-11-21 16:32:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_resume [2022-11-21 16:32:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_teardown_mmio [2022-11-21 16:32:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_teardown_mmio [2022-11-21 16:32:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_remove [2022-11-21 16:32:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_remove [2022-11-21 16:32:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_enable_lvds_vt1636 [2022-11-21 16:32:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_enable_lvds_vt1636 [2022-11-21 16:32:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 16:32:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lock_crt [2022-11-21 16:32:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lock_crt [2022-11-21 16:32:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_misc_reg_mask [2022-11-21 16:32:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_misc_reg_mask [2022-11-21 16:32:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_alloc [2022-11-21 16:32:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_alloc [2022-11-21 16:32:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-21 16:32:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-21 16:32:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_check_var [2022-11-21 16:32:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_check_var [2022-11-21 16:32:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp1_proc_write [2022-11-21 16:32:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp1_proc_write [2022-11-21 16:32:47,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:32:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:32:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_readbyte [2022-11-21 16:32:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_readbyte [2022-11-21 16:32:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_timing [2022-11-21 16:32:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_timing [2022-11-21 16:32:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:32:47,775 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 16:32:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 16:32:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_clock_source_common [2022-11-21 16:32:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_clock_source_common [2022-11-21 16:32:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_dpa_vt1636 [2022-11-21 16:32:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dpa_vt1636 [2022-11-21 16:32:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_FIFO_reg [2022-11-21 16:32:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_FIFO_reg [2022-11-21 16:32:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-21 16:32:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:32:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 16:32:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_primary_pll_encoded [2022-11-21 16:32:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_primary_pll_encoded [2022-11-21 16:32:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure set_color_register [2022-11-21 16:32:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_color_register [2022-11-21 16:32:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 16:32:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 16:32:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 16:32:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2022-11-21 16:32:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2022-11-21 16:32:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 16:32:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 16:32:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_get_best_mode [2022-11-21 16:32:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_get_best_mode [2022-11-21 16:32:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-21 16:32:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_write_mask_lvds [2022-11-21 16:32:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 16:32:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 16:32:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-21 16:32:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-21 16:32:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_write [2022-11-21 16:32:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_write [2022-11-21 16:32:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure tmds_register_read [2022-11-21 16:32:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure tmds_register_read [2022-11-21 16:32:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_disable_lvds_vt1636 [2022-11-21 16:32:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_disable_lvds_vt1636 [2022-11-21 16:32:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_read [2022-11-21 16:32:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_read [2022-11-21 16:32:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_imageblit [2022-11-21 16:32:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_imageblit [2022-11-21 16:32:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_clk_range_index [2022-11-21 16:32:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_clk_range_index [2022-11-21 16:32:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:32:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:32:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_enable [2022-11-21 16:32:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_enable [2022-11-21 16:32:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 16:32:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 16:32:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:32:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:32:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_copyarea [2022-11-21 16:32:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_copyarea [2022-11-21 16:32:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 16:32:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 16:32:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 16:32:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 16:32:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_var_refresh [2022-11-21 16:32:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure get_var_refresh [2022-11-21 16:32:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-21 16:32:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-21 16:32:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_unlock_crt [2022-11-21 16:32:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_unlock_crt [2022-11-21 16:32:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-11-21 16:32:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-11-21 16:32:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_fetch_count_reg [2022-11-21 16:32:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_fetch_count_reg [2022-11-21 16:32:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8_from_user [2022-11-21 16:32:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8_from_user [2022-11-21 16:32:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:32:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_register [2022-11-21 16:32:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_register [2022-11-21 16:32:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-21 16:32:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-21 16:32:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_reset_engine [2022-11-21 16:32:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_reset_engine [2022-11-21 16:32:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2022-11-21 16:32:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2022-11-21 16:32:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:32:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_disable [2022-11-21 16:32:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_disable [2022-11-21 16:32:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 16:32:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 16:32:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:32:47,791 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 [2022-11-21 16:32:47,791 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 [2022-11-21 16:32:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvi_devices [2022-11-21 16:32:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvi_devices [2022-11-21 16:32:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-21 16:32:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-21 16:32:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:32:47,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:32:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-21 16:32:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-21 16:32:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-21 16:32:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_vt1636_proc_write [2022-11-21 16:32:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_vt1636_proc_write [2022-11-21 16:32:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_writebyte [2022-11-21 16:32:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_writebyte [2022-11-21 16:32:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure via_gpio_set [2022-11-21 16:32:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure via_gpio_set [2022-11-21 16:32:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_timing [2022-11-21 16:32:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_timing [2022-11-21 16:32:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_secondary_address [2022-11-21 16:32:47,794 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_secondary_address [2022-11-21 16:32:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_timing [2022-11-21 16:32:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_timing [2022-11-21 16:32:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_load_reg [2022-11-21 16:32:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_load_reg [2022-11-21 16:32:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure register_framebuffer [2022-11-21 16:32:47,795 INFO L138 BoogieDeclarations]: Found implementation of procedure register_framebuffer [2022-11-21 16:32:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 16:32:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 16:32:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-21 16:32:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_read [2022-11-21 16:32:47,796 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_read [2022-11-21 16:32:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_enable [2022-11-21 16:32:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_enable [2022-11-21 16:32:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_probe [2022-11-21 16:32:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_probe [2022-11-21 16:32:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure set_engine_pll_encoded [2022-11-21 16:32:47,797 INFO L138 BoogieDeclarations]: Found implementation of procedure set_engine_pll_encoded [2022-11-21 16:32:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure odev_update [2022-11-21 16:32:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure odev_update [2022-11-21 16:32:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:32:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:32:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_sync_polarity [2022-11-21 16:32:47,798 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_sync_polarity [2022-11-21 16:32:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:32:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:32:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_suspend [2022-11-21 16:32:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_suspend [2022-11-21 16:32:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_i2c_read_lvds [2022-11-21 16:32:47,799 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_i2c_read_lvds [2022-11-21 16:32:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 16:32:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-21 16:32:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-21 16:32:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure via_pci_remove [2022-11-21 16:32:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure via_pci_remove [2022-11-21 16:32:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-21 16:32:47,800 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-21 16:32:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 16:32:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 16:32:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:32:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-21 16:32:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_2 [2022-11-21 16:32:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_2 [2022-11-21 16:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:32:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:32:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-21 16:32:47,802 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-21 16:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure parse_mode [2022-11-21 16:32:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_mode [2022-11-21 16:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure set_lcd_output_path [2022-11-21 16:32:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure set_lcd_output_path [2022-11-21 16:32:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure via_teardown_subdevs [2022-11-21 16:32:47,803 INFO L138 BoogieDeclarations]: Found implementation of procedure via_teardown_subdevs [2022-11-21 16:32:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-21 16:32:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-21 16:32:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_state [2022-11-21 16:32:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_state [2022-11-21 16:32:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure get_lcd_devices [2022-11-21 16:32:47,804 INFO L138 BoogieDeclarations]: Found implementation of procedure get_lcd_devices [2022-11-21 16:32:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure probe___0 [2022-11-21 16:32:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___0 [2022-11-21 16:32:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure probe___1 [2022-11-21 16:32:47,805 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___1 [2022-11-21 16:32:47,805 INFO L130 BoogieDeclarations]: Found specification of procedure probe___3 [2022-11-21 16:32:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure probe___3 [2022-11-21 16:32:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_source [2022-11-21 16:32:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_source [2022-11-21 16:32:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_var_timing_info [2022-11-21 16:32:47,806 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_var_timing_info [2022-11-21 16:32:47,806 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:32:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:32:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2022-11-21 16:32:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2022-11-21 16:32:47,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:32:47,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:32:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2022-11-21 16:32:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2022-11-21 16:32:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-21 16:32:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-21 16:32:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg_mask [2022-11-21 16:32:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg_mask [2022-11-21 16:32:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-21 16:32:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~structbegin~~u16~0~u8~0~u8~0~structend~~TO~VOID [2022-11-21 16:32:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:32:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:32:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:32:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:32:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_resume [2022-11-21 16:32:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_resume [2022-11-21 16:32:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure via_resume [2022-11-21 16:32:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure via_resume [2022-11-21 16:32:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:32:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:32:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:32:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure cle266_encode_pll [2022-11-21 16:32:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure cle266_encode_pll [2022-11-21 16:32:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-11-21 16:32:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-11-21 16:32:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:32:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 16:32:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 16:32:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_write_regx [2022-11-21 16:32:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_write_regx [2022-11-21 16:32:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-21 16:32:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-21 16:32:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 16:32:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_free [2022-11-21 16:32:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_free [2022-11-21 16:32:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 16:32:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-21 16:32:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 16:32:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:32:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 16:32:47,814 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 16:32:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_suspend [2022-11-21 16:32:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_suspend [2022-11-21 16:32:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_sync [2022-11-21 16:32:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_sync [2022-11-21 16:32:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_gpio_probe [2022-11-21 16:32:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_gpio_probe [2022-11-21 16:32:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 16:32:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 16:32:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 16:32:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 16:32:47,816 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_framebuffer [2022-11-21 16:32:47,816 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_framebuffer [2022-11-21 16:32:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~~bool~0~TO~VOID [2022-11-21 16:32:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~~bool~0~TO~VOID [2022-11-21 16:32:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_best_mode [2022-11-21 16:32:47,817 INFO L138 BoogieDeclarations]: Found implementation of procedure get_best_mode [2022-11-21 16:32:47,817 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_i2c_probe [2022-11-21 16:32:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_i2c_probe [2022-11-21 16:32:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 16:32:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 16:32:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvp0_proc_write [2022-11-21 16:32:47,818 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvp0_proc_write [2022-11-21 16:32:47,818 INFO L130 BoogieDeclarations]: Found specification of procedure get_pll_config [2022-11-21 16:32:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pll_config [2022-11-21 16:32:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure parse_port [2022-11-21 16:32:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_port [2022-11-21 16:32:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_fix [2022-11-21 16:32:47,819 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_fix [2022-11-21 16:32:47,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~VOID [2022-11-21 16:32:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~VOID [2022-11-21 16:32:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-21 16:32:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-21 16:32:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure via_write_reg [2022-11-21 16:32:47,820 INFO L138 BoogieDeclarations]: Found implementation of procedure via_write_reg [2022-11-21 16:32:47,820 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-21 16:32:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-21 16:32:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure cfb_fillrect [2022-11-21 16:32:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cfb_fillrect [2022-11-21 16:32:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_setup_fixinfo [2022-11-21 16:32:47,821 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_setup_fixinfo [2022-11-21 16:32:47,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-21 16:32:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-21 16:32:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_vclock [2022-11-21 16:32:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_vclock [2022-11-21 16:32:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_sense [2022-11-21 16:32:47,822 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_sense [2022-11-21 16:32:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_iga_path [2022-11-21 16:32:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_iga_path [2022-11-21 16:32:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure check_tmds_chip [2022-11-21 16:32:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure check_tmds_chip [2022-11-21 16:32:47,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:32:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:32:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pm_unregister [2022-11-21 16:32:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pm_unregister [2022-11-21 16:32:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure via_aux_get_preferred_mode [2022-11-21 16:32:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure via_aux_get_preferred_mode [2022-11-21 16:32:47,824 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-21 16:32:47,824 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-21 16:32:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-21 16:32:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-21 16:32:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 16:32:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-21 16:32:47,825 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-11-21 16:32:47,825 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-11-21 16:32:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:32:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:32:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfph_proc_write [2022-11-21 16:32:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfph_proc_write [2022-11-21 16:32:47,826 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_disable [2022-11-21 16:32:47,826 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_disable [2022-11-21 16:32:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure k800_encode_pll [2022-11-21 16:32:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_encode_pll [2022-11-21 16:32:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 16:32:47,827 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 16:32:47,827 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 16:32:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 16:32:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_set_mode [2022-11-21 16:32:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_set_mode [2022-11-21 16:32:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_enable [2022-11-21 16:32:47,828 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_enable [2022-11-21 16:32:47,828 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_lcd_set_mode [2022-11-21 16:32:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_lcd_set_mode [2022-11-21 16:32:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-21 16:32:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-21 16:32:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dvi_query_EDID [2022-11-21 16:32:47,829 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dvi_query_EDID [2022-11-21 16:32:47,829 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_pan_display [2022-11-21 16:32:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_pan_display [2022-11-21 16:32:47,830 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-21 16:32:47,830 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-21 16:32:47,831 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-21 16:32:47,831 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-21 16:32:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure via_fb_pci_remove [2022-11-21 16:32:47,832 INFO L138 BoogieDeclarations]: Found implementation of procedure via_fb_pci_remove [2022-11-21 16:32:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_dpa_gfx [2022-11-21 16:32:47,833 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_dpa_gfx [2022-11-21 16:32:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure k800_set_secondary_pll_encoded [2022-11-21 16:32:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure k800_set_secondary_pll_encoded [2022-11-21 16:32:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_dfpl_proc_write [2022-11-21 16:32:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_dfpl_proc_write [2022-11-21 16:32:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_update_device_setting [2022-11-21 16:32:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_update_device_setting [2022-11-21 16:32:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_bus_free [2022-11-21 16:32:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_bus_free [2022-11-21 16:32:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure via_set_primary_address [2022-11-21 16:32:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure via_set_primary_address [2022-11-21 16:32:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 16:32:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 16:32:47,846 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_init_lvds_output_interface [2022-11-21 16:32:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_init_lvds_output_interface [2022-11-21 16:32:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_set_bpp [2022-11-21 16:32:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_set_bpp [2022-11-21 16:32:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-21 16:32:47,847 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-21 16:32:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_fill_crtc_timing [2022-11-21 16:32:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_fill_crtc_timing [2022-11-21 16:32:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure set_source_common [2022-11-21 16:32:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure set_source_common [2022-11-21 16:32:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-21 16:32:47,848 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-21 16:32:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure machine_is_olpc [2022-11-21 16:32:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure machine_is_olpc [2022-11-21 16:32:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 16:32:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 16:32:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_find_i2c_adapter [2022-11-21 16:32:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_find_i2c_adapter [2022-11-21 16:32:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_iga1_odev_proc_write [2022-11-21 16:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_iga1_odev_proc_write [2022-11-21 16:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_mmio_write [2022-11-21 16:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_mmio_write [2022-11-21 16:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure integrated_lvds_enable [2022-11-21 16:32:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure integrated_lvds_enable [2022-11-21 16:32:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure viafb_show_hw_cursor [2022-11-21 16:32:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure viafb_show_hw_cursor [2022-11-21 16:32:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2022-11-21 16:32:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2022-11-21 16:32:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-21 16:32:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-21 16:32:49,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:32:49,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:32:58,691 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:37:54,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:37:54,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:37:54,624 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:37:54,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:54 BoogieIcfgContainer [2022-11-21 16:37:54,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:37:54,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:37:54,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:37:54,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:37:54,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:32:38" (1/3) ... [2022-11-21 16:37:54,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@986ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:54, skipping insertion in model container [2022-11-21 16:37:54,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:45" (2/3) ... [2022-11-21 16:37:54,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@986ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:37:54, skipping insertion in model container [2022-11-21 16:37:54,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:37:54" (3/3) ... [2022-11-21 16:37:54,641 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 [2022-11-21 16:37:54,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:37:54,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:37:54,808 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:37:54,819 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;@c901da2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:37:54,820 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:37:54,843 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) [2022-11-21 16:37:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-21 16:37:54,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:37:54,897 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] [2022-11-21 16:37:54,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:37:54,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:37:54,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1085887458, now seen corresponding path program 1 times [2022-11-21 16:37:54,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:37:54,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116620437] [2022-11-21 16:37:54,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:37:54,945 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 [2022-11-21 16:37:54,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:37:54,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:37:54,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:38:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:25,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 10292 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:38:25,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:25,917 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 16:38:25,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:38:25,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:38:25,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116620437] [2022-11-21 16:38:25,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116620437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:38:25,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:38:25,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:38:25,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981856100] [2022-11-21 16:38:25,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:38:25,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:38:25,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:38:25,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:38:25,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:38:25,982 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) [2022-11-21 16:38:26,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:38:26,920 INFO L93 Difference]: Finished difference Result 9068 states and 13878 transitions. [2022-11-21 16:38:26,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:38:26,923 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 [2022-11-21 16:38:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:38:26,969 INFO L225 Difference]: With dead ends: 9068 [2022-11-21 16:38:26,969 INFO L226 Difference]: Without dead ends: 4495 [2022-11-21 16:38:26,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:38:26,998 INFO L413 NwaCegarLoop]: 6867 mSDtfsCounter, 2 mSDsluCounter, 13727 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:38:26,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 20594 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:38:27,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4495 states. [2022-11-21 16:38:27,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4495 to 4495. [2022-11-21 16:38:27,312 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) [2022-11-21 16:38:27,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4495 states to 4495 states and 6810 transitions. [2022-11-21 16:38:27,355 INFO L78 Accepts]: Start accepts. Automaton has 4495 states and 6810 transitions. Word has length 84 [2022-11-21 16:38:27,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:38:27,357 INFO L495 AbstractCegarLoop]: Abstraction has 4495 states and 6810 transitions. [2022-11-21 16:38:27,357 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) [2022-11-21 16:38:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 4495 states and 6810 transitions. [2022-11-21 16:38:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-21 16:38:27,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:38:27,376 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] [2022-11-21 16:38:27,603 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:38:27,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:38:27,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:38:27,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:38:27,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:38:27,632 INFO L85 PathProgramCache]: Analyzing trace with hash -275279309, now seen corresponding path program 1 times [2022-11-21 16:38:27,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:38:27,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65655656] [2022-11-21 16:38:27,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:38:27,655 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 [2022-11-21 16:38:27,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:38:27,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:38:27,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:38:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:38:58,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 10303 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:38:58,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:38:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 16:38:58,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:39:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-21 16:39:00,380 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:39:00,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65655656] [2022-11-21 16:39:00,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65655656] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:39:00,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 16:39:00,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-21 16:39:00,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135277974] [2022-11-21 16:39:00,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 16:39:00,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:39:00,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:39:00,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:39:00,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:39:00,383 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) [2022-11-21 16:39:03,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:03,868 INFO L93 Difference]: Finished difference Result 8995 states and 13635 transitions. [2022-11-21 16:39:03,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:39:03,869 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 [2022-11-21 16:39:03,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:03,905 INFO L225 Difference]: With dead ends: 8995 [2022-11-21 16:39:03,905 INFO L226 Difference]: Without dead ends: 4504 [2022-11-21 16:39:03,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:39:03,930 INFO L413 NwaCegarLoop]: 6803 mSDtfsCounter, 11 mSDsluCounter, 33990 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:03,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40793 Invalid, 81 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 16:39:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-11-21 16:39:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 4504. [2022-11-21 16:39:04,113 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) [2022-11-21 16:39:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 6821 transitions. [2022-11-21 16:39:04,143 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 6821 transitions. Word has length 85 [2022-11-21 16:39:04,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:04,143 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 6821 transitions. [2022-11-21 16:39:04,144 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) [2022-11-21 16:39:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 6821 transitions. [2022-11-21 16:39:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-21 16:39:04,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:04,156 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] [2022-11-21 16:39:04,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:04,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:04,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:04,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1084618402, now seen corresponding path program 2 times [2022-11-21 16:39:04,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:39:04,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223647064] [2022-11-21 16:39:04,392 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 16:39:04,392 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 [2022-11-21 16:39:04,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:39:04,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:39:04,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:35,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 16:39:35,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 16:39:36,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 10159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:39:36,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:39:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-21 16:39:37,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:39:37,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:39:37,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223647064] [2022-11-21 16:39:37,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223647064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:39:37,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:39:37,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:39:37,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942516850] [2022-11-21 16:39:37,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:39:37,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:39:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:39:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:39:37,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:39:37,351 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) [2022-11-21 16:39:40,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:39:40,023 INFO L93 Difference]: Finished difference Result 9008 states and 13645 transitions. [2022-11-21 16:39:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:39:40,024 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 [2022-11-21 16:39:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:39:40,056 INFO L225 Difference]: With dead ends: 9008 [2022-11-21 16:39:40,057 INFO L226 Difference]: Without dead ends: 4519 [2022-11-21 16:39:40,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:39:40,081 INFO L413 NwaCegarLoop]: 6809 mSDtfsCounter, 50 mSDsluCounter, 20382 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:39:40,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 27191 Invalid, 38 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:39:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4519 states. [2022-11-21 16:39:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4519 to 4519. [2022-11-21 16:39:40,272 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) [2022-11-21 16:39:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 4519 states and 6840 transitions. [2022-11-21 16:39:40,298 INFO L78 Accepts]: Start accepts. Automaton has 4519 states and 6840 transitions. Word has length 88 [2022-11-21 16:39:40,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:39:40,299 INFO L495 AbstractCegarLoop]: Abstraction has 4519 states and 6840 transitions. [2022-11-21 16:39:40,300 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) [2022-11-21 16:39:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4519 states and 6840 transitions. [2022-11-21 16:39:40,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 16:39:40,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:39:40,312 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] [2022-11-21 16:39:40,535 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:40,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:40,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:39:40,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:39:40,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:39:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash -841734673, now seen corresponding path program 1 times [2022-11-21 16:39:40,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:39:40,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [10423495] [2022-11-21 16:39:40,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:39:40,546 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 [2022-11-21 16:39:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:39:40,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:39:40,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:10,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 10338 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:40:10,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-21 16:40:11,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:40:11,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:40:11,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [10423495] [2022-11-21 16:40:11,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [10423495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:11,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:11,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:40:11,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069608750] [2022-11-21 16:40:11,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:11,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:40:11,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:40:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:40:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:40:11,036 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) [2022-11-21 16:40:13,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:15,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:16,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:16,563 INFO L93 Difference]: Finished difference Result 12781 states and 19256 transitions. [2022-11-21 16:40:16,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:40:16,564 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 [2022-11-21 16:40:16,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:16,622 INFO L225 Difference]: With dead ends: 12781 [2022-11-21 16:40:16,622 INFO L226 Difference]: Without dead ends: 8277 [2022-11-21 16:40:16,647 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 [2022-11-21 16:40:16,648 INFO L413 NwaCegarLoop]: 8161 mSDtfsCounter, 5595 mSDsluCounter, 6758 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s 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, 5.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:40:16,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5595 Valid, 14919 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-21 16:40:16,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8277 states. [2022-11-21 16:40:17,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8277 to 8272. [2022-11-21 16:40:17,086 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) [2022-11-21 16:40:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8272 states to 8272 states and 12430 transitions. [2022-11-21 16:40:17,124 INFO L78 Accepts]: Start accepts. Automaton has 8272 states and 12430 transitions. Word has length 89 [2022-11-21 16:40:17,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:17,125 INFO L495 AbstractCegarLoop]: Abstraction has 8272 states and 12430 transitions. [2022-11-21 16:40:17,125 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) [2022-11-21 16:40:17,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8272 states and 12430 transitions. [2022-11-21 16:40:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 16:40:17,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:17,142 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] [2022-11-21 16:40:17,367 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:17,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:17,386 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:17,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1878637892, now seen corresponding path program 1 times [2022-11-21 16:40:17,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:17,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152070858] [2022-11-21 16:40:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:17,396 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 [2022-11-21 16:40:17,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:17,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:17,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:40:49,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 10752 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:40:49,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:40:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-21 16:40:50,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:40:50,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:40:50,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152070858] [2022-11-21 16:40:50,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152070858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:40:50,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:40:50,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:40:50,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054212704] [2022-11-21 16:40:50,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:40:50,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:40:50,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:40:50,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:40:50,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:40:50,402 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) [2022-11-21 16:40:52,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:40:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:40:53,411 INFO L93 Difference]: Finished difference Result 22503 states and 33834 transitions. [2022-11-21 16:40:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:40:53,412 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 [2022-11-21 16:40:53,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:40:53,505 INFO L225 Difference]: With dead ends: 22503 [2022-11-21 16:40:53,505 INFO L226 Difference]: Without dead ends: 14244 [2022-11-21 16:40:53,547 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 [2022-11-21 16:40:53,548 INFO L413 NwaCegarLoop]: 8228 mSDtfsCounter, 5226 mSDsluCounter, 6782 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-11-21 16:40:53,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5226 Valid, 15010 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-21 16:40:53,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14244 states. [2022-11-21 16:40:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14244 to 14241. [2022-11-21 16:40:54,652 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) [2022-11-21 16:40:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14241 states to 14241 states and 21416 transitions. [2022-11-21 16:40:54,726 INFO L78 Accepts]: Start accepts. Automaton has 14241 states and 21416 transitions. Word has length 134 [2022-11-21 16:40:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:40:54,727 INFO L495 AbstractCegarLoop]: Abstraction has 14241 states and 21416 transitions. [2022-11-21 16:40:54,727 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) [2022-11-21 16:40:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 14241 states and 21416 transitions. [2022-11-21 16:40:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-21 16:40:54,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:40:54,765 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] [2022-11-21 16:40:54,987 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:54,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:54,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:40:54,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:40:55,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:40:55,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1277868621, now seen corresponding path program 1 times [2022-11-21 16:40:55,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:40:55,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359248067] [2022-11-21 16:40:55,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:40:55,010 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 [2022-11-21 16:40:55,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:40:55,011 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:40:55,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:41:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:41:27,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 10891 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:41:27,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:41:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-21 16:41:27,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:41:27,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:41:27,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359248067] [2022-11-21 16:41:27,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359248067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:41:27,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:41:27,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:41:27,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715350857] [2022-11-21 16:41:27,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:41:27,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:41:27,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:41:27,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:41:27,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:41:27,952 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) [2022-11-21 16:41:28,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:41:28,839 INFO L93 Difference]: Finished difference Result 28910 states and 43534 transitions. [2022-11-21 16:41:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:41:28,840 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 [2022-11-21 16:41:28,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:41:28,917 INFO L225 Difference]: With dead ends: 28910 [2022-11-21 16:41:28,918 INFO L226 Difference]: Without dead ends: 14684 [2022-11-21 16:41:28,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:41:28,976 INFO L413 NwaCegarLoop]: 7233 mSDtfsCounter, 1939 mSDsluCounter, 19630 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 26863 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:41:28,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2300 Valid, 26863 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-21 16:41:28,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14684 states. [2022-11-21 16:41:29,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14684 to 14241. [2022-11-21 16:41:29,920 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) [2022-11-21 16:41:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14241 states to 14241 states and 21412 transitions. [2022-11-21 16:41:29,993 INFO L78 Accepts]: Start accepts. Automaton has 14241 states and 21412 transitions. Word has length 252 [2022-11-21 16:41:29,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:41:29,993 INFO L495 AbstractCegarLoop]: Abstraction has 14241 states and 21412 transitions. [2022-11-21 16:41:29,994 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) [2022-11-21 16:41:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 14241 states and 21412 transitions. [2022-11-21 16:41:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-21 16:41:30,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:30,027 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] [2022-11-21 16:41:30,244 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:41:30,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:41:30,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:41:30,309 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:30,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:30,309 INFO L85 PathProgramCache]: Analyzing trace with hash -90891279, now seen corresponding path program 1 times [2022-11-21 16:41:30,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:41:30,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734730826] [2022-11-21 16:41:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:30,323 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 [2022-11-21 16:41:30,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:41:30,324 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:41:30,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:42:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:04,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 10890 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:42:04,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-21 16:42:05,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:05,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:05,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734730826] [2022-11-21 16:42:05,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734730826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:05,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:05,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:05,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148338195] [2022-11-21 16:42:05,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:05,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:05,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:05,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:05,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:05,155 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) [2022-11-21 16:42:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:06,077 INFO L93 Difference]: Finished difference Result 28495 states and 42867 transitions. [2022-11-21 16:42:06,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:06,079 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 [2022-11-21 16:42:06,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:06,151 INFO L225 Difference]: With dead ends: 28495 [2022-11-21 16:42:06,151 INFO L226 Difference]: Without dead ends: 14269 [2022-11-21 16:42:06,213 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 [2022-11-21 16:42:06,214 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 [2022-11-21 16:42:06,215 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] [2022-11-21 16:42:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14269 states. [2022-11-21 16:42:07,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14269 to 14245. [2022-11-21 16:42:07,159 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) [2022-11-21 16:42:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14245 states to 14245 states and 21416 transitions. [2022-11-21 16:42:07,225 INFO L78 Accepts]: Start accepts. Automaton has 14245 states and 21416 transitions. Word has length 252 [2022-11-21 16:42:07,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:07,225 INFO L495 AbstractCegarLoop]: Abstraction has 14245 states and 21416 transitions. [2022-11-21 16:42:07,226 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) [2022-11-21 16:42:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 14245 states and 21416 transitions. [2022-11-21 16:42:07,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-21 16:42:07,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:07,254 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] [2022-11-21 16:42:07,470 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:42:07,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:42:07,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:42:07,524 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:07,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1717615328, now seen corresponding path program 1 times [2022-11-21 16:42:07,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:07,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920271733] [2022-11-21 16:42:07,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:07,537 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 [2022-11-21 16:42:07,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:07,539 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:42:07,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:42:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:40,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 10865 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 16:42:40,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-21 16:42:46,076 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:46,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:46,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920271733] [2022-11-21 16:42:46,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920271733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:46,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:46,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:42:46,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779001604] [2022-11-21 16:42:46,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:46,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:46,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:46,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:46,079 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) [2022-11-21 16:42:48,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:44:34,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:44:34,287 INFO L93 Difference]: Finished difference Result 28483 states and 42831 transitions. [2022-11-21 16:44:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:44:34,288 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 [2022-11-21 16:44:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:44:34,349 INFO L225 Difference]: With dead ends: 28483 [2022-11-21 16:44:34,350 INFO L226 Difference]: Without dead ends: 14253 [2022-11-21 16:44:34,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:44:34,397 INFO L413 NwaCegarLoop]: 6797 mSDtfsCounter, 6764 mSDsluCounter, 9177 mSDsCounter, 0 mSdLazyCounter, 4414 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.1s 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, 107.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:44:34,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6773 Valid, 15974 Invalid, 4422 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 4414 Invalid, 0 Unknown, 0 Unchecked, 107.0s Time] [2022-11-21 16:44:34,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14253 states. [2022-11-21 16:44:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14253 to 14253. [2022-11-21 16:44:35,447 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) [2022-11-21 16:44:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14253 states to 14253 states and 21426 transitions. [2022-11-21 16:44:35,513 INFO L78 Accepts]: Start accepts. Automaton has 14253 states and 21426 transitions. Word has length 254 [2022-11-21 16:44:35,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:44:35,514 INFO L495 AbstractCegarLoop]: Abstraction has 14253 states and 21426 transitions. [2022-11-21 16:44:35,514 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) [2022-11-21 16:44:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 14253 states and 21426 transitions. [2022-11-21 16:44:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-21 16:44:35,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:44:35,542 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] [2022-11-21 16:44:35,755 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:44:35,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:44:35,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:44:35,818 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:44:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:44:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash 497620613, now seen corresponding path program 1 times [2022-11-21 16:44:35,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:44:35,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615337776] [2022-11-21 16:44:35,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:44:35,833 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 [2022-11-21 16:44:35,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:44:35,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:44:35,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:08,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 10909 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:45:08,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:08,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-21 16:45:08,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:45:08,820 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:45:08,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615337776] [2022-11-21 16:45:08,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615337776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:08,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:08,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:45:08,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245168850] [2022-11-21 16:45:08,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:08,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:45:08,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:45:08,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:45:08,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:45:08,822 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) [2022-11-21 16:45:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:10,503 INFO L93 Difference]: Finished difference Result 28519 states and 42883 transitions. [2022-11-21 16:45:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:45:10,504 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 [2022-11-21 16:45:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:45:10,562 INFO L225 Difference]: With dead ends: 28519 [2022-11-21 16:45:10,562 INFO L226 Difference]: Without dead ends: 14263 [2022-11-21 16:45:10,604 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 [2022-11-21 16:45:10,605 INFO L413 NwaCegarLoop]: 6804 mSDtfsCounter, 29 mSDsluCounter, 13564 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-11-21 16:45:10,605 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] [2022-11-21 16:45:10,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2022-11-21 16:45:11,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 14263. [2022-11-21 16:45:11,606 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) [2022-11-21 16:45:11,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14263 states to 14263 states and 21440 transitions. [2022-11-21 16:45:11,673 INFO L78 Accepts]: Start accepts. Automaton has 14263 states and 21440 transitions. Word has length 257 [2022-11-21 16:45:11,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:45:11,674 INFO L495 AbstractCegarLoop]: Abstraction has 14263 states and 21440 transitions. [2022-11-21 16:45:11,674 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) [2022-11-21 16:45:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 14263 states and 21440 transitions. [2022-11-21 16:45:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-21 16:45:11,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:45:11,821 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] [2022-11-21 16:45:12,044 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:12,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:12,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:12,095 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:45:12,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:12,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1736574971, now seen corresponding path program 1 times [2022-11-21 16:45:12,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:45:12,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399783521] [2022-11-21 16:45:12,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:12,113 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 [2022-11-21 16:45:12,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:45:12,115 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:45:12,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:45:43,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 10910 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:45:43,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:45:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1213 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 1114 trivial. 0 not checked. [2022-11-21 16:45:44,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:45:44,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:45:44,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399783521] [2022-11-21 16:45:44,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399783521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:45:44,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:45:44,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:45:44,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455837108] [2022-11-21 16:45:44,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:45:44,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:45:44,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:45:44,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:45:44,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:45:44,465 INFO L87 Difference]: Start difference. First operand 14263 states and 21440 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2022-11-21 16:45:46,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:45:46,103 INFO L93 Difference]: Finished difference Result 28535 states and 42903 transitions. [2022-11-21 16:45:46,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:45:46,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 258 [2022-11-21 16:45:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:45:46,167 INFO L225 Difference]: With dead ends: 28535 [2022-11-21 16:45:46,168 INFO L226 Difference]: Without dead ends: 14231 [2022-11-21 16:45:46,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:45:46,223 INFO L413 NwaCegarLoop]: 6807 mSDtfsCounter, 25 mSDsluCounter, 13564 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 20371 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:45:46,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 20371 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:45:46,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14231 states. [2022-11-21 16:45:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14231 to 14217. [2022-11-21 16:45:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14217 states, 10003 states have (on average 1.4232730180945716) internal successors, (14237), 10528 states have internal predecessors, (14237), 3562 states have call successors, (3562), 646 states have call predecessors, (3562), 651 states have return successors, (3571), 3356 states have call predecessors, (3571), 3561 states have call successors, (3571) [2022-11-21 16:45:47,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14217 states to 14217 states and 21370 transitions. [2022-11-21 16:45:47,381 INFO L78 Accepts]: Start accepts. Automaton has 14217 states and 21370 transitions. Word has length 258 [2022-11-21 16:45:47,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:45:47,382 INFO L495 AbstractCegarLoop]: Abstraction has 14217 states and 21370 transitions. [2022-11-21 16:45:47,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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) [2022-11-21 16:45:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 14217 states and 21370 transitions. [2022-11-21 16:45:47,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-21 16:45:47,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:45:47,404 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:45:47,629 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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)] Forcibly destroying the process [2022-11-21 16:45:47,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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)] Forceful destruction successful, exit code 0 [2022-11-21 16:45:47,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:45:47,683 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:45:47,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:45:47,683 INFO L85 PathProgramCache]: Analyzing trace with hash -849914420, now seen corresponding path program 1 times [2022-11-21 16:45:47,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:45:47,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767874207] [2022-11-21 16:45:47,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:45:47,696 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 [2022-11-21 16:45:47,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:45:47,697 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:45:47,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 (12)] Waiting until timeout for monitored process [2022-11-21 16:46:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:46:21,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 10878 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:46:21,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:46:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2022-11-21 16:46:22,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:46:22,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:46:22,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767874207] [2022-11-21 16:46:22,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767874207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:46:22,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:46:22,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:46:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113554717] [2022-11-21 16:46:22,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:46:22,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:46:22,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:46:22,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:46:22,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:46:22,247 INFO L87 Difference]: Start difference. First operand 14217 states and 21370 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 16:46:23,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:46:23,794 INFO L93 Difference]: Finished difference Result 28425 states and 42747 transitions. [2022-11-21 16:46:23,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:46:23,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 258 [2022-11-21 16:46:23,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:46:23,853 INFO L225 Difference]: With dead ends: 28425 [2022-11-21 16:46:23,853 INFO L226 Difference]: Without dead ends: 14223 [2022-11-21 16:46:23,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:46:23,911 INFO L413 NwaCegarLoop]: 6809 mSDtfsCounter, 3 mSDsluCounter, 20415 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27224 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:46:23,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27224 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 16:46:23,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14223 states. [2022-11-21 16:46:24,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14223 to 14217. [2022-11-21 16:46:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14217 states, 10003 states have (on average 1.4226731980405878) internal successors, (14231), 10528 states have internal predecessors, (14231), 3562 states have call successors, (3562), 646 states have call predecessors, (3562), 651 states have return successors, (3571), 3356 states have call predecessors, (3571), 3561 states have call successors, (3571) [2022-11-21 16:46:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14217 states to 14217 states and 21364 transitions. [2022-11-21 16:46:24,988 INFO L78 Accepts]: Start accepts. Automaton has 14217 states and 21364 transitions. Word has length 258 [2022-11-21 16:46:24,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:46:24,989 INFO L495 AbstractCegarLoop]: Abstraction has 14217 states and 21364 transitions. [2022-11-21 16:46:24,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 16:46:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 14217 states and 21364 transitions. [2022-11-21 16:46:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-21 16:46:25,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:46:25,010 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:46:25,235 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 (12)] Forcibly destroying the process [2022-11-21 16:46:25,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:46:25,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 16:46:25,291 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:46:25,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:46:25,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1119079798, now seen corresponding path program 1 times [2022-11-21 16:46:25,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:46:25,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [199447493] [2022-11-21 16:46:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:46:25,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:46:25,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:46:25,307 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 16:46:25,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396d2a9b-c559-4277-91e4-b0b10a8037ba/bin/uautomizer-vX5HgA9Q3a/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 (13)] Waiting until timeout for monitored process