./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:13,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:13,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:13,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:13,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:13,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:13,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:13,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:13,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:13,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:13,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:13,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:13,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:13,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:13,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:13,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:13,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:13,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:13,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:13,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:13,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:13,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:13,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:13,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:13,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:13,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:13,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:13,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:13,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:13,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:13,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:13,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:13,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:13,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:13,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:13,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:13,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:13,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:13,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:13,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:13,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:13,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:30:13,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:13,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:13,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:13,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:13,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:13,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:13,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:13,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:13,649 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:13,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:13,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:13,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:13,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:13,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:13,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:13,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:13,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:13,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:13,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:13,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:13,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:13,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:13,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:13,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:13,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:13,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:13,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:30:13,654 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:13,654 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:13,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:13,654 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_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2022-11-20 10:30:13,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:13,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:13,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:13,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:13,976 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:13,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-11-20 10:30:17,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:17,901 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:17,902 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-11-20 10:30:17,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/de17b0910/e02eb3a0133249b689817fa570fce1f4/FLAG795fab2c1 [2022-11-20 10:30:17,967 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/de17b0910/e02eb3a0133249b689817fa570fce1f4 [2022-11-20 10:30:17,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:17,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:17,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:17,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:17,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:17,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:17" (1/1) ... [2022-11-20 10:30:17,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0e0430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:17, skipping insertion in model container [2022-11-20 10:30:17,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:17" (1/1) ... [2022-11-20 10:30:17,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:18,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:20,450 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:30:20,461 INFO L158 Benchmark]: Toolchain (without parser) took 2485.53ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 80.3MB in the end (delta: -7.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:20,462 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:20,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2481.51ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 80.3MB in the end (delta: -7.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:20,465 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 102.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2481.51ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 73.1MB in the beginning and 80.3MB in the end (delta: -7.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:30:22,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:22,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:22,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:22,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:22,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:22,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:22,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:22,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:22,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:22,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:22,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:22,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:22,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:22,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:22,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:22,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:22,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:22,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:22,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:22,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:22,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:22,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:22,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:22,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:22,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:22,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:22,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:22,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:22,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:22,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:22,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:22,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:22,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:22,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:22,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:22,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:22,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:22,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:22,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:22,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:22,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:30:22,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:22,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:22,822 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:22,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:22,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:30:22,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:30:22,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:22,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:22,825 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:22,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:22,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:22,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:30:22,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:30:22,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:30:22,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:30:22,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:30:22,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:30:22,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:22,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:22,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:30:22,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:22,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:22,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:30:22,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:22,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:22,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:30:22,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:30:22,830 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:30:22,830 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:30:22,830 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:30:22,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:30:22,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:30:22,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:30:22,831 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_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2022-11-20 10:30:23,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:23,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:23,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:23,246 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:23,246 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:23,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-11-20 10:30:26,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:27,064 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:27,065 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-11-20 10:30:27,117 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/6f404dc04/a5fff45a7ab340079ac7cbc581d7c683/FLAG126887a7e [2022-11-20 10:30:27,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/data/6f404dc04/a5fff45a7ab340079ac7cbc581d7c683 [2022-11-20 10:30:27,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:27,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:27,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:27,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:27,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:27,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:27" (1/1) ... [2022-11-20 10:30:27,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d85b34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:27, skipping insertion in model container [2022-11-20 10:30:27,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:27" (1/1) ... [2022-11-20 10:30:27,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:27,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:30,228 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_900ac33f-3328-4cfa-979d-85d751124644/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-11-20 10:30:30,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:30,465 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:30:30,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:31,035 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_900ac33f-3328-4cfa-979d-85d751124644/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-11-20 10:30:31,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:31,108 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:31,592 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_900ac33f-3328-4cfa-979d-85d751124644/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2022-11-20 10:30:31,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:31,756 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:31,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31 WrapperNode [2022-11-20 10:30:31,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:31,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:31,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:31,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:31,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:31,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,282 INFO L138 Inliner]: procedures = 335, calls = 4517, calls flagged for inlining = 132, calls inlined = 122, statements flattened = 8601 [2022-11-20 10:30:32,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:32,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:32,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:32,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:32,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:32,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:32,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:32,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:32,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (1/1) ... [2022-11-20 10:30:32,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:30:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:32,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:32,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:32,963 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2022-11-20 10:30:32,963 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2022-11-20 10:30:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:30:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 10:30:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 10:30:32,965 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2022-11-20 10:30:32,965 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2022-11-20 10:30:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:30:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-20 10:30:32,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-20 10:30:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:30:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2022-11-20 10:30:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2022-11-20 10:30:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2022-11-20 10:30:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2022-11-20 10:30:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:30:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-20 10:30:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-20 10:30:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2022-11-20 10:30:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2022-11-20 10:30:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2022-11-20 10:30:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2022-11-20 10:30:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2022-11-20 10:30:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2022-11-20 10:30:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2022-11-20 10:30:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2022-11-20 10:30:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:30:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:30:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-20 10:30:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-20 10:30:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2022-11-20 10:30:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2022-11-20 10:30:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2022-11-20 10:30:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2022-11-20 10:30:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2022-11-20 10:30:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2022-11-20 10:30:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2022-11-20 10:30:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2022-11-20 10:30:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2022-11-20 10:30:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2022-11-20 10:30:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2022-11-20 10:30:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2022-11-20 10:30:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2022-11-20 10:30:32,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2022-11-20 10:30:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:30:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:30:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 10:30:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 10:30:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2022-11-20 10:30:32,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2022-11-20 10:30:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2022-11-20 10:30:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2022-11-20 10:30:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2022-11-20 10:30:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2022-11-20 10:30:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:30:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:30:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:30:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:30:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2022-11-20 10:30:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2022-11-20 10:30:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2022-11-20 10:30:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2022-11-20 10:30:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2022-11-20 10:30:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2022-11-20 10:30:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2022-11-20 10:30:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2022-11-20 10:30:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 10:30:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 10:30:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:30:32,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:30:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2022-11-20 10:30:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2022-11-20 10:30:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2022-11-20 10:30:32,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2022-11-20 10:30:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2022-11-20 10:30:32,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2022-11-20 10:30:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 10:30:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 10:30:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 10:30:32,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 10:30:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:30:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2022-11-20 10:30:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2022-11-20 10:30:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 10:30:32,987 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 10:30:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:30:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2022-11-20 10:30:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2022-11-20 10:30:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2022-11-20 10:30:32,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2022-11-20 10:30:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2022-11-20 10:30:32,989 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2022-11-20 10:30:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2022-11-20 10:30:32,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2022-11-20 10:30:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2022-11-20 10:30:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2022-11-20 10:30:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:30:32,991 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:30:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2022-11-20 10:30:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2022-11-20 10:30:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2022-11-20 10:30:32,992 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2022-11-20 10:30:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2022-11-20 10:30:32,993 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2022-11-20 10:30:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:30:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:30:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:30:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:30:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:30:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2022-11-20 10:30:32,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2022-11-20 10:30:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2022-11-20 10:30:32,999 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2022-11-20 10:30:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:30:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2022-11-20 10:30:33,000 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2022-11-20 10:30:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-20 10:30:33,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-20 10:30:33,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:30:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2022-11-20 10:30:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2022-11-20 10:30:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:30:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2022-11-20 10:30:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2022-11-20 10:30:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-20 10:30:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-20 10:30:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:30:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 10:30:33,011 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 10:30:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-20 10:30:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-20 10:30:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:30:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:30:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:30:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:30:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 10:30:33,013 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 10:30:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2022-11-20 10:30:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2022-11-20 10:30:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2022-11-20 10:30:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2022-11-20 10:30:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:30:33,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:30:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-20 10:30:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-20 10:30:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2022-11-20 10:30:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2022-11-20 10:30:33,015 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2022-11-20 10:30:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2022-11-20 10:30:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2022-11-20 10:30:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2022-11-20 10:30:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:30:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:30:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 10:30:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 10:30:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 10:30:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 10:30:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2022-11-20 10:30:33,017 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2022-11-20 10:30:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2022-11-20 10:30:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2022-11-20 10:30:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-20 10:30:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-20 10:30:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2022-11-20 10:30:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2022-11-20 10:30:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2022-11-20 10:30:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2022-11-20 10:30:33,019 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2022-11-20 10:30:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2022-11-20 10:30:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2022-11-20 10:30:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2022-11-20 10:30:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2022-11-20 10:30:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2022-11-20 10:30:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2022-11-20 10:30:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2022-11-20 10:30:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2022-11-20 10:30:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2022-11-20 10:30:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2022-11-20 10:30:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2022-11-20 10:30:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:30:33,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:30:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2022-11-20 10:30:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2022-11-20 10:30:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2022-11-20 10:30:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2022-11-20 10:30:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2022-11-20 10:30:33,023 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2022-11-20 10:30:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2022-11-20 10:30:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2022-11-20 10:30:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:30:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:30:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2022-11-20 10:30:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2022-11-20 10:30:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-20 10:30:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-20 10:30:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2022-11-20 10:30:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2022-11-20 10:30:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2022-11-20 10:30:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2022-11-20 10:30:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2022-11-20 10:30:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2022-11-20 10:30:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 10:30:33,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 10:30:33,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:30:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:30:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2022-11-20 10:30:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2022-11-20 10:30:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:30:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2022-11-20 10:30:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2022-11-20 10:30:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2022-11-20 10:30:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2022-11-20 10:30:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2022-11-20 10:30:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2022-11-20 10:30:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 10:30:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 10:30:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2022-11-20 10:30:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2022-11-20 10:30:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-20 10:30:33,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-20 10:30:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:30:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:30:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:30:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2022-11-20 10:30:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2022-11-20 10:30:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2022-11-20 10:30:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2022-11-20 10:30:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2022-11-20 10:30:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2022-11-20 10:30:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:30:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2022-11-20 10:30:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2022-11-20 10:30:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 10:30:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 10:30:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2022-11-20 10:30:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2022-11-20 10:30:33,033 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2022-11-20 10:30:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2022-11-20 10:30:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-20 10:30:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-20 10:30:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:30:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:30:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2022-11-20 10:30:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2022-11-20 10:30:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-11-20 10:30:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-11-20 10:30:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2022-11-20 10:30:33,035 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2022-11-20 10:30:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2022-11-20 10:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2022-11-20 10:30:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2022-11-20 10:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2022-11-20 10:30:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2022-11-20 10:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2022-11-20 10:30:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2022-11-20 10:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2022-11-20 10:30:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2022-11-20 10:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2022-11-20 10:30:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2022-11-20 10:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2022-11-20 10:30:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2022-11-20 10:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2022-11-20 10:30:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-11-20 10:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2022-11-20 10:30:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:30:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-20 10:30:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-20 10:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2022-11-20 10:30:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2022-11-20 10:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:30:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2022-11-20 10:30:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2022-11-20 10:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2022-11-20 10:30:33,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2022-11-20 10:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-20 10:30:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-20 10:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:30:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2022-11-20 10:30:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2022-11-20 10:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2022-11-20 10:30:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2022-11-20 10:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2022-11-20 10:30:33,039 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2022-11-20 10:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2022-11-20 10:30:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2022-11-20 10:30:34,396 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:34,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:40,080 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:40,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:40,119 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:31:40,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:40 BoogieIcfgContainer [2022-11-20 10:31:40,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:40,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:40,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:40,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:40,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:30:27" (1/3) ... [2022-11-20 10:31:40,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b380662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:40, skipping insertion in model container [2022-11-20 10:31:40,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:31" (2/3) ... [2022-11-20 10:31:40,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b380662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:40, skipping insertion in model container [2022-11-20 10:31:40,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:40" (3/3) ... [2022-11-20 10:31:40,140 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2022-11-20 10:31:40,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:40,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:31:40,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:40,336 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;@166b43f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:40,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:31:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 3312 states, 2331 states have (on average 1.3946803946803947) internal successors, (3251), 2402 states have internal predecessors, (3251), 847 states have call successors, (847), 136 states have call predecessors, (847), 136 states have return successors, (847), 838 states have call predecessors, (847), 847 states have call successors, (847) [2022-11-20 10:31:40,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:31:40,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:40,374 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:40,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 318875296, now seen corresponding path program 1 times [2022-11-20 10:31:40,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:31:40,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60328767] [2022-11-20 10:31:40,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:40,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:31:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:31:40,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:31:40,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:31:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 3283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:31:43,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:43,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:43,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:31:43,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60328767] [2022-11-20 10:31:43,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60328767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:43,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:43,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:43,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035784046] [2022-11-20 10:31:43,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:43,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:43,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:31:43,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:43,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:43,812 INFO L87 Difference]: Start difference. First operand has 3312 states, 2331 states have (on average 1.3946803946803947) internal successors, (3251), 2402 states have internal predecessors, (3251), 847 states have call successors, (847), 136 states have call predecessors, (847), 136 states have return successors, (847), 838 states have call predecessors, (847), 847 states have call successors, (847) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:44,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:44,998 INFO L93 Difference]: Finished difference Result 9880 states and 15002 transitions. [2022-11-20 10:31:45,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:45,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-20 10:31:45,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:45,092 INFO L225 Difference]: With dead ends: 9880 [2022-11-20 10:31:45,092 INFO L226 Difference]: Without dead ends: 6561 [2022-11-20 10:31:45,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:45,146 INFO L413 NwaCegarLoop]: 6021 mSDtfsCounter, 4869 mSDsluCounter, 4894 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4869 SdHoareTripleChecker+Valid, 10915 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:45,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4869 Valid, 10915 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:31:45,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6561 states. [2022-11-20 10:31:45,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6561 to 6547. [2022-11-20 10:31:45,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6547 states, 4600 states have (on average 1.3932608695652173) internal successors, (6409), 4734 states have internal predecessors, (6409), 1676 states have call successors, (1676), 271 states have call predecessors, (1676), 270 states have return successors, (1670), 1651 states have call predecessors, (1670), 1670 states have call successors, (1670) [2022-11-20 10:31:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6547 states to 6547 states and 9755 transitions. [2022-11-20 10:31:45,742 INFO L78 Accepts]: Start accepts. Automaton has 6547 states and 9755 transitions. Word has length 14 [2022-11-20 10:31:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:45,743 INFO L495 AbstractCegarLoop]: Abstraction has 6547 states and 9755 transitions. [2022-11-20 10:31:45,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6547 states and 9755 transitions. [2022-11-20 10:31:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 10:31:45,757 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:45,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:45,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:45,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:31:45,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:45,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:45,983 INFO L85 PathProgramCache]: Analyzing trace with hash -519181412, now seen corresponding path program 1 times [2022-11-20 10:31:45,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:31:45,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586341612] [2022-11-20 10:31:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:45,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:31:45,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:31:45,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:31:46,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:31:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:49,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 3287 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:31:49,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:49,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:49,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:31:49,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586341612] [2022-11-20 10:31:49,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586341612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:49,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:49,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:49,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512402898] [2022-11-20 10:31:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:49,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:31:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:49,364 INFO L87 Difference]: Start difference. First operand 6547 states and 9755 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:50,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:50,515 INFO L93 Difference]: Finished difference Result 19591 states and 29185 transitions. [2022-11-20 10:31:50,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:50,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 10:31:50,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:50,646 INFO L225 Difference]: With dead ends: 19591 [2022-11-20 10:31:50,646 INFO L226 Difference]: Without dead ends: 13047 [2022-11-20 10:31:50,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:50,698 INFO L413 NwaCegarLoop]: 6368 mSDtfsCounter, 4861 mSDsluCounter, 4888 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4861 SdHoareTripleChecker+Valid, 11256 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:50,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4861 Valid, 11256 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:31:50,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13047 states. [2022-11-20 10:31:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13047 to 13033. [2022-11-20 10:31:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13033 states, 9154 states have (on average 1.3922875245794188) internal successors, (12745), 9418 states have internal predecessors, (12745), 3338 states have call successors, (3338), 541 states have call predecessors, (3338), 540 states have return successors, (3332), 3293 states have call predecessors, (3332), 3332 states have call successors, (3332) [2022-11-20 10:31:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13033 states to 13033 states and 19415 transitions. [2022-11-20 10:31:51,834 INFO L78 Accepts]: Start accepts. Automaton has 13033 states and 19415 transitions. Word has length 16 [2022-11-20 10:31:51,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:51,834 INFO L495 AbstractCegarLoop]: Abstraction has 13033 states and 19415 transitions. [2022-11-20 10:31:51,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13033 states and 19415 transitions. [2022-11-20 10:31:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 10:31:51,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:51,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:51,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:31:52,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:31:52,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:52,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1109669362, now seen corresponding path program 1 times [2022-11-20 10:31:52,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:31:52,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240821950] [2022-11-20 10:31:52,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:52,061 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:31:52,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:31:52,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:31:52,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:31:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:55,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 3291 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:31:55,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:55,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:55,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:31:55,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:31:55,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240821950] [2022-11-20 10:31:55,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240821950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:55,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:55,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:55,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103789511] [2022-11-20 10:31:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:55,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:55,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:31:55,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:55,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:55,499 INFO L87 Difference]: Start difference. First operand 13033 states and 19415 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:57,181 INFO L93 Difference]: Finished difference Result 38827 states and 57839 transitions. [2022-11-20 10:31:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:57,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-20 10:31:57,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:57,422 INFO L225 Difference]: With dead ends: 38827 [2022-11-20 10:31:57,423 INFO L226 Difference]: Without dead ends: 25797 [2022-11-20 10:31:57,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:57,531 INFO L413 NwaCegarLoop]: 7192 mSDtfsCounter, 4859 mSDsluCounter, 4888 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4859 SdHoareTripleChecker+Valid, 12080 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:57,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4859 Valid, 12080 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:31:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25797 states. [2022-11-20 10:31:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25797 to 25783. [2022-11-20 10:31:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25783 states, 18093 states have (on average 1.3916431769192505) internal successors, (25179), 18615 states have internal predecessors, (25179), 6617 states have call successors, (6617), 1073 states have call predecessors, (6617), 1072 states have return successors, (6611), 6532 states have call predecessors, (6611), 6611 states have call successors, (6611) [2022-11-20 10:31:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25783 states to 25783 states and 38407 transitions. [2022-11-20 10:31:59,817 INFO L78 Accepts]: Start accepts. Automaton has 25783 states and 38407 transitions. Word has length 18 [2022-11-20 10:31:59,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:59,818 INFO L495 AbstractCegarLoop]: Abstraction has 25783 states and 38407 transitions. [2022-11-20 10:31:59,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25783 states and 38407 transitions. [2022-11-20 10:31:59,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 10:31:59,825 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:59,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:59,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:00,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:00,038 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:00,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:00,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1013278979, now seen corresponding path program 1 times [2022-11-20 10:32:00,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:00,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [830329561] [2022-11-20 10:32:00,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:00,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:00,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:00,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:00,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:32:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:03,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 3293 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:32:03,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:03,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:03,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:03,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [830329561] [2022-11-20 10:32:03,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [830329561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:03,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:03,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:32:03,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86990158] [2022-11-20 10:32:03,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:03,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:32:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:03,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:32:03,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:32:03,403 INFO L87 Difference]: Start difference. First operand 25783 states and 38407 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:05,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:05,503 INFO L93 Difference]: Finished difference Result 51598 states and 76864 transitions. [2022-11-20 10:32:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:32:05,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-20 10:32:05,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:05,763 INFO L225 Difference]: With dead ends: 51598 [2022-11-20 10:32:05,763 INFO L226 Difference]: Without dead ends: 25818 [2022-11-20 10:32:05,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:32:05,933 INFO L413 NwaCegarLoop]: 4903 mSDtfsCounter, 22 mSDsluCounter, 9801 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 14704 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:05,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 14704 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:32:05,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25818 states. [2022-11-20 10:32:07,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25818 to 25786. [2022-11-20 10:32:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25786 states, 18096 states have (on average 1.39157824933687) internal successors, (25182), 18618 states have internal predecessors, (25182), 6617 states have call successors, (6617), 1073 states have call predecessors, (6617), 1072 states have return successors, (6611), 6532 states have call predecessors, (6611), 6611 states have call successors, (6611) [2022-11-20 10:32:08,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25786 states to 25786 states and 38410 transitions. [2022-11-20 10:32:08,162 INFO L78 Accepts]: Start accepts. Automaton has 25786 states and 38410 transitions. Word has length 29 [2022-11-20 10:32:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:08,162 INFO L495 AbstractCegarLoop]: Abstraction has 25786 states and 38410 transitions. [2022-11-20 10:32:08,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 25786 states and 38410 transitions. [2022-11-20 10:32:08,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 10:32:08,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:08,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:08,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:08,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:08,394 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:08,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash -956020677, now seen corresponding path program 1 times [2022-11-20 10:32:08,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:08,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989210803] [2022-11-20 10:32:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:08,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:08,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:32:11,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:11,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3285 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:11,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:11,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:11,931 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:11,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989210803] [2022-11-20 10:32:11,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989210803] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:11,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:11,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:11,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546446637] [2022-11-20 10:32:11,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:11,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:11,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:11,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:11,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:11,934 INFO L87 Difference]: Start difference. First operand 25786 states and 38410 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:13,583 INFO L93 Difference]: Finished difference Result 25788 states and 38411 transitions. [2022-11-20 10:32:13,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:13,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-11-20 10:32:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:13,768 INFO L225 Difference]: With dead ends: 25788 [2022-11-20 10:32:13,769 INFO L226 Difference]: Without dead ends: 25785 [2022-11-20 10:32:13,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:13,791 INFO L413 NwaCegarLoop]: 4903 mSDtfsCounter, 4878 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4878 SdHoareTripleChecker+Valid, 4903 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:13,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4878 Valid, 4903 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:32:13,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25785 states. [2022-11-20 10:32:15,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25785 to 25785. [2022-11-20 10:32:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25785 states, 18096 states have (on average 1.3915229885057472) internal successors, (25181), 18617 states have internal predecessors, (25181), 6616 states have call successors, (6616), 1073 states have call predecessors, (6616), 1072 states have return successors, (6611), 6532 states have call predecessors, (6611), 6611 states have call successors, (6611) [2022-11-20 10:32:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25785 states to 25785 states and 38408 transitions. [2022-11-20 10:32:16,030 INFO L78 Accepts]: Start accepts. Automaton has 25785 states and 38408 transitions. Word has length 29 [2022-11-20 10:32:16,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:16,031 INFO L495 AbstractCegarLoop]: Abstraction has 25785 states and 38408 transitions. [2022-11-20 10:32:16,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:16,031 INFO L276 IsEmpty]: Start isEmpty. Operand 25785 states and 38408 transitions. [2022-11-20 10:32:16,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 10:32:16,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:16,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:16,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:16,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:16,250 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:16,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:16,251 INFO L85 PathProgramCache]: Analyzing trace with hash 426637623, now seen corresponding path program 1 times [2022-11-20 10:32:16,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:16,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241878889] [2022-11-20 10:32:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:16,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:16,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:16,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:16,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:32:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:19,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 3286 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:19,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:19,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:19,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:19,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:19,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [241878889] [2022-11-20 10:32:19,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [241878889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:19,732 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:19,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:19,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489411880] [2022-11-20 10:32:19,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:19,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:19,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:19,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:19,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:19,735 INFO L87 Difference]: Start difference. First operand 25785 states and 38408 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:21,468 INFO L93 Difference]: Finished difference Result 25787 states and 38409 transitions. [2022-11-20 10:32:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:21,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-20 10:32:21,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:21,669 INFO L225 Difference]: With dead ends: 25787 [2022-11-20 10:32:21,669 INFO L226 Difference]: Without dead ends: 25784 [2022-11-20 10:32:21,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:21,691 INFO L413 NwaCegarLoop]: 4901 mSDtfsCounter, 4875 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4875 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:21,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4875 Valid, 4901 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:32:21,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25784 states. [2022-11-20 10:32:23,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25784 to 25784. [2022-11-20 10:32:23,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25784 states, 18096 states have (on average 1.3914677276746241) internal successors, (25180), 18616 states have internal predecessors, (25180), 6615 states have call successors, (6615), 1073 states have call predecessors, (6615), 1072 states have return successors, (6611), 6532 states have call predecessors, (6611), 6611 states have call successors, (6611) [2022-11-20 10:32:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25784 states to 25784 states and 38406 transitions. [2022-11-20 10:32:23,907 INFO L78 Accepts]: Start accepts. Automaton has 25784 states and 38406 transitions. Word has length 30 [2022-11-20 10:32:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:23,907 INFO L495 AbstractCegarLoop]: Abstraction has 25784 states and 38406 transitions. [2022-11-20 10:32:23,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 25784 states and 38406 transitions. [2022-11-20 10:32:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:32:23,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:23,912 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:23,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:24,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:24,134 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:24,135 INFO L85 PathProgramCache]: Analyzing trace with hash 339376830, now seen corresponding path program 1 times [2022-11-20 10:32:24,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:24,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617054752] [2022-11-20 10:32:24,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:24,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:24,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:24,143 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:24,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:32:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:27,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 3287 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:27,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:27,448 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:27,449 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:27,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617054752] [2022-11-20 10:32:27,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617054752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:27,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:27,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:27,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149337117] [2022-11-20 10:32:27,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:27,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:27,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:27,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:27,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:27,451 INFO L87 Difference]: Start difference. First operand 25784 states and 38406 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:29,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:29,724 INFO L93 Difference]: Finished difference Result 28105 states and 41803 transitions. [2022-11-20 10:32:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:29,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 10:32:29,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:29,874 INFO L225 Difference]: With dead ends: 28105 [2022-11-20 10:32:29,874 INFO L226 Difference]: Without dead ends: 28101 [2022-11-20 10:32:29,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:29,892 INFO L413 NwaCegarLoop]: 4953 mSDtfsCounter, 4655 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4655 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:29,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4655 Valid, 5650 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:32:29,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28101 states. [2022-11-20 10:32:32,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28101 to 28099. [2022-11-20 10:32:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28099 states, 19846 states have (on average 1.4006348886425477) internal successors, (27797), 20364 states have internal predecessors, (27797), 6998 states have call successors, (6998), 1255 states have call predecessors, (6998), 1254 states have return successors, (6996), 6917 states have call predecessors, (6996), 6996 states have call successors, (6996) [2022-11-20 10:32:32,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28099 states to 28099 states and 41791 transitions. [2022-11-20 10:32:32,272 INFO L78 Accepts]: Start accepts. Automaton has 28099 states and 41791 transitions. Word has length 31 [2022-11-20 10:32:32,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:32,273 INFO L495 AbstractCegarLoop]: Abstraction has 28099 states and 41791 transitions. [2022-11-20 10:32:32,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28099 states and 41791 transitions. [2022-11-20 10:32:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:32:32,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:32,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:32:32,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:32,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:32,495 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:32,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:32,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1929264410, now seen corresponding path program 1 times [2022-11-20 10:32:32,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:32,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442419423] [2022-11-20 10:32:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:32,500 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:32,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:32,502 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:32:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:35,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 3288 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:32:35,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:35,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:35,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:35,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442419423] [2022-11-20 10:32:35,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442419423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:35,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:35,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:32:35,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726091646] [2022-11-20 10:32:35,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:35,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:32:35,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:35,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:32:35,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:35,614 INFO L87 Difference]: Start difference. First operand 28099 states and 41791 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:37,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:37,891 INFO L93 Difference]: Finished difference Result 28101 states and 41792 transitions. [2022-11-20 10:32:37,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:32:37,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-20 10:32:37,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:38,114 INFO L225 Difference]: With dead ends: 28101 [2022-11-20 10:32:38,114 INFO L226 Difference]: Without dead ends: 28009 [2022-11-20 10:32:38,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:32:38,145 INFO L413 NwaCegarLoop]: 4896 mSDtfsCounter, 4867 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4867 SdHoareTripleChecker+Valid, 4896 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:38,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4867 Valid, 4896 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:32:38,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28009 states. [2022-11-20 10:32:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28009 to 28009. [2022-11-20 10:32:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28009 states, 19797 states have (on average 1.4004142041723493) internal successors, (27724), 20307 states have internal predecessors, (27724), 6965 states have call successors, (6965), 1247 states have call predecessors, (6965), 1246 states have return successors, (6964), 6892 states have call predecessors, (6964), 6964 states have call successors, (6964) [2022-11-20 10:32:40,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28009 states to 28009 states and 41653 transitions. [2022-11-20 10:32:40,828 INFO L78 Accepts]: Start accepts. Automaton has 28009 states and 41653 transitions. Word has length 32 [2022-11-20 10:32:40,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:40,829 INFO L495 AbstractCegarLoop]: Abstraction has 28009 states and 41653 transitions. [2022-11-20 10:32:40,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:32:40,829 INFO L276 IsEmpty]: Start isEmpty. Operand 28009 states and 41653 transitions. [2022-11-20 10:32:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 10:32:40,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:40,856 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 10:32:40,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:41,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:41,082 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:41,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:41,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1827961313, now seen corresponding path program 1 times [2022-11-20 10:32:41,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:41,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535741533] [2022-11-20 10:32:41,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:41,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:41,092 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:41,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:32:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:44,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 3475 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:32:44,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:44,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:44,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:44,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535741533] [2022-11-20 10:32:44,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535741533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:44,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:44,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:32:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411905035] [2022-11-20 10:32:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:44,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:32:44,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:44,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:32:44,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:32:44,354 INFO L87 Difference]: Start difference. First operand 28009 states and 41653 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-20 10:32:47,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:47,215 INFO L93 Difference]: Finished difference Result 56055 states and 83359 transitions. [2022-11-20 10:32:47,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:32:47,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 77 [2022-11-20 10:32:47,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:47,381 INFO L225 Difference]: With dead ends: 56055 [2022-11-20 10:32:47,381 INFO L226 Difference]: Without dead ends: 28009 [2022-11-20 10:32:47,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:32:47,534 INFO L413 NwaCegarLoop]: 4876 mSDtfsCounter, 6 mSDsluCounter, 14609 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 19485 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:47,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 19485 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 10:32:47,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28009 states. [2022-11-20 10:32:49,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28009 to 28009. [2022-11-20 10:32:49,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28009 states, 19797 states have (on average 1.400010102540789) internal successors, (27716), 20307 states have internal predecessors, (27716), 6965 states have call successors, (6965), 1247 states have call predecessors, (6965), 1246 states have return successors, (6964), 6892 states have call predecessors, (6964), 6964 states have call successors, (6964) [2022-11-20 10:32:49,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28009 states to 28009 states and 41645 transitions. [2022-11-20 10:32:49,601 INFO L78 Accepts]: Start accepts. Automaton has 28009 states and 41645 transitions. Word has length 77 [2022-11-20 10:32:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:32:49,603 INFO L495 AbstractCegarLoop]: Abstraction has 28009 states and 41645 transitions. [2022-11-20 10:32:49,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-20 10:32:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 28009 states and 41645 transitions. [2022-11-20 10:32:49,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 10:32:49,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:32:49,628 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 10:32:49,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:32:49,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:49,851 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:32:49,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:32:49,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1217920717, now seen corresponding path program 1 times [2022-11-20 10:32:49,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:32:49,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [998944655] [2022-11-20 10:32:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:32:49,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:32:49,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:32:49,856 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:32:49,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900ac33f-3328-4cfa-979d-85d751124644/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 10:32:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:32:53,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 3488 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:32:53,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:32:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:32:53,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:32:53,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:32:53,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [998944655] [2022-11-20 10:32:53,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [998944655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:32:53,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:32:53,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:32:53,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917566509] [2022-11-20 10:32:53,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:32:53,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:32:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:32:53,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:32:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:32:53,351 INFO L87 Difference]: Start difference. First operand 28009 states and 41645 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:32:58,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:32:58,387 INFO L93 Difference]: Finished difference Result 84017 states and 125085 transitions. [2022-11-20 10:32:58,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:32:58,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 75 [2022-11-20 10:32:58,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:32:58,749 INFO L225 Difference]: With dead ends: 84017 [2022-11-20 10:32:58,750 INFO L226 Difference]: Without dead ends: 55987 [2022-11-20 10:32:58,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:32:58,896 INFO L413 NwaCegarLoop]: 6033 mSDtfsCounter, 4857 mSDsluCounter, 28966 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4870 SdHoareTripleChecker+Valid, 34999 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:32:58,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4870 Valid, 34999 Invalid, 45 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:32:58,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55987 states.