./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:01:44,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:01:44,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:01:45,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:01:45,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:01:45,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:01:45,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:01:45,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:01:45,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:01:45,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:01:45,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:01:45,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:01:45,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:01:45,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:01:45,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:01:45,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:01:45,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:01:45,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:01:45,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:01:45,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:01:45,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:01:45,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:01:45,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:01:45,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:01:45,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:01:45,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:01:45,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:01:45,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:01:45,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:01:45,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:01:45,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:01:45,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:01:45,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:01:45,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:01:45,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:01:45,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:01:45,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:01:45,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:01:45,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:01:45,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:01:45,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:01:45,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:01:45,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:01:45,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:01:45,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:01:45,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:01:45,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:01:45,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:01:45,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:01:45,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:01:45,175 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:01:45,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:01:45,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:01:45,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:01:45,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:01:45,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:01:45,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:01:45,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:01:45,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:01:45,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:01:45,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:01:45,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:01:45,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:01:45,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:01:45,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:01:45,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:01:45,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:01:45,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:01:45,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:01:45,180 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:01:45,180 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:01:45,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:01:45,181 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-11-20 11:01:45,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:01:45,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:01:45,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:01:45,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:01:45,528 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:01:45,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 11:01:48,605 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:01:49,422 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:01:49,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 11:01:49,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/9f2a1daad/072218ef217147dfb9424dc134264e37/FLAGdb70740f9 [2022-11-20 11:01:49,525 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/9f2a1daad/072218ef217147dfb9424dc134264e37 [2022-11-20 11:01:49,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:01:49,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:01:49,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:01:49,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:01:49,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:01:49,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:01:49" (1/1) ... [2022-11-20 11:01:49,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc0ff00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:01:49, skipping insertion in model container [2022-11-20 11:01:49,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:01:49" (1/1) ... [2022-11-20 11:01:49,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:01:49,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:01:50,660 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:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:01:50,673 INFO L158 Benchmark]: Toolchain (without parser) took 1136.92ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 95.6MB in the end (delta: 24.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2022-11-20 11:01:50,674 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory was 106.4MB in the beginning and 106.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:01:50,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1134.58ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 95.6MB in the end (delta: 24.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2022-11-20 11:01:50,677 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 132.1MB. Free memory was 106.4MB in the beginning and 106.3MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1134.58ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 95.6MB in the end (delta: 24.8MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:01:53,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:01:53,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:01:53,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:01:53,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:01:53,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:01:53,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:01:53,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:01:53,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:01:53,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:01:53,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:01:53,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:01:53,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:01:53,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:01:53,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:01:53,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:01:53,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:01:53,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:01:53,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:01:53,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:01:53,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:01:53,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:01:53,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:01:53,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:01:53,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:01:53,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:01:53,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:01:53,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:01:53,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:01:53,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:01:53,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:01:53,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:01:53,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:01:53,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:01:53,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:01:53,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:01:53,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:01:53,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:01:53,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:01:53,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:01:53,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:01:53,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:01:53,581 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:01:53,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:01:53,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:01:53,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:01:53,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:01:53,583 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:01:53,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:01:53,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:01:53,584 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:01:53,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:01:53,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:01:53,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:01:53,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:01:53,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:01:53,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:01:53,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:01:53,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:01:53,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:01:53,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:01:53,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:01:53,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:01:53,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:01:53,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:01:53,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:01:53,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:01:53,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:01:53,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:01:53,589 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:01:53,589 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:01:53,589 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:01:53,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:01:53,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:01:53,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:01:53,590 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2022-11-20 11:01:54,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:01:54,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:01:54,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:01:54,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:01:54,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:01:54,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 11:01:57,172 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:01:58,058 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:01:58,059 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 11:01:58,128 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/184d0dbd5/2e9420db4124400f9d48365e0a9a4b6e/FLAG2e2009575 [2022-11-20 11:01:58,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/data/184d0dbd5/2e9420db4124400f9d48365e0a9a4b6e [2022-11-20 11:01:58,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:01:58,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:01:58,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:01:58,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:01:58,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:01:58,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:01:58" (1/1) ... [2022-11-20 11:01:58,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a60fcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:01:58, skipping insertion in model container [2022-11-20 11:01:58,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:01:58" (1/1) ... [2022-11-20 11:01:58,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:01:58,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:03,141 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-11-20 11:02:03,146 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-11-20 11:02:03,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:03,294 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:02:03,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:02:04,108 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-11-20 11:02:04,110 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-11-20 11:02:04,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:04,257 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:02:04,886 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491185,491198] [2022-11-20 11:02:04,887 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_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i[491330,491343] [2022-11-20 11:02:04,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:02:05,223 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:02:05,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05 WrapperNode [2022-11-20 11:02:05,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:02:05,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:05,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:02:05,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:02:05,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:05,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:05,775 INFO L138 Inliner]: procedures = 488, calls = 4777, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8805 [2022-11-20 11:02:05,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:02:05,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:02:05,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:02:05,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:02:05,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:05,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:05,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:05,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:02:06,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:02:06,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:02:06,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:02:06,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (1/1) ... [2022-11-20 11:02:06,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:02:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:02:06,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:02:06,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:02:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-11-20 11:02:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-11-20 11:02:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-11-20 11:02:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-11-20 11:02:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-11-20 11:02:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-11-20 11:02:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-11-20 11:02:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-11-20 11:02:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:02:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:02:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-20 11:02:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-20 11:02:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-11-20 11:02:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-11-20 11:02:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:02:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:02:06,355 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-11-20 11:02:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-11-20 11:02:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-11-20 11:02:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-11-20 11:02:06,356 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-11-20 11:02:06,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-11-20 11:02:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-11-20 11:02:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-11-20 11:02:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-11-20 11:02:06,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-11-20 11:02:06,357 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-11-20 11:02:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-11-20 11:02:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-11-20 11:02:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-11-20 11:02:06,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:02:06,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:02:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-20 11:02:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-20 11:02:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:02:06,359 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:02:06,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:02:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:02:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:02:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-11-20 11:02:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-11-20 11:02:06,360 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-11-20 11:02:06,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-11-20 11:02:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:02:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:02:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:02:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:02:06,361 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-11-20 11:02:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-11-20 11:02:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 11:02:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 11:02:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:02:06,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:02:06,362 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-11-20 11:02:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-11-20 11:02:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-11-20 11:02:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-11-20 11:02:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-11-20 11:02:06,363 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-11-20 11:02:06,363 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-20 11:02:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-20 11:02:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-11-20 11:02:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-11-20 11:02:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-11-20 11:02:06,364 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-11-20 11:02:06,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:02:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:02:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-11-20 11:02:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-11-20 11:02:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-11-20 11:02:06,365 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-11-20 11:02:06,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:02:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:02:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-11-20 11:02:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-11-20 11:02:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:02:06,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:02:06,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:02:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:02:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:02:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:02:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-20 11:02:06,367 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-20 11:02:06,367 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-11-20 11:02:06,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-11-20 11:02:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-11-20 11:02:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-11-20 11:02:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:02:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-11-20 11:02:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-11-20 11:02:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-11-20 11:02:06,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-11-20 11:02:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 11:02:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-11-20 11:02:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 11:02:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-11-20 11:02:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:02:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:02:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-11-20 11:02:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-20 11:02:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-11-20 11:02:06,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-11-20 11:02:06,446 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-11-20 11:02:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-11-20 11:02:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:02:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:02:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 11:02:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 11:02:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-11-20 11:02:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-11-20 11:02:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 11:02:06,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 11:02:06,447 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-11-20 11:02:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-20 11:02:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:02:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:02:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:02:06,448 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:02:06,448 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 11:02:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:02:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:02:06,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-11-20 11:02:06,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-11-20 11:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 11:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 11:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-11-20 11:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-11-20 11:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-11-20 11:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-11-20 11:02:06,450 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-20 11:02:06,450 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-11-20 11:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-11-20 11:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-11-20 11:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-11-20 11:02:06,451 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-11-20 11:02:06,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:02:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 11:02:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 11:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:02:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-11-20 11:02:06,452 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-11-20 11:02:06,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-11-20 11:02:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-11-20 11:02:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-11-20 11:02:06,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:02:06,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-20 11:02:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-11-20 11:02:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:02:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-11-20 11:02:06,454 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-11-20 11:02:06,454 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 11:02:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 11:02:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 11:02:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 11:02:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-11-20 11:02:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-11-20 11:02:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:02:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:02:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 11:02:06,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 11:02:06,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-11-20 11:02:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-11-20 11:02:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-20 11:02:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-20 11:02:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:02:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:02:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-11-20 11:02:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-11-20 11:02:06,456 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-11-20 11:02:06,456 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-11-20 11:02:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:02:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:02:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-11-20 11:02:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-11-20 11:02:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:02:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:02:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-11-20 11:02:06,457 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-11-20 11:02:06,457 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-11-20 11:02:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-11-20 11:02:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-11-20 11:02:06,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:02:06,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:02:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:02:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:02:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-11-20 11:02:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-11-20 11:02:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-20 11:02:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-20 11:02:06,459 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 11:02:06,459 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 11:02:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-11-20 11:02:06,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-11-20 11:02:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:02:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:02:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 11:02:06,481 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 11:02:06,481 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-11-20 11:02:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-11-20 11:02:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-11-20 11:02:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-11-20 11:02:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-11-20 11:02:06,482 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-11-20 11:02:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-11-20 11:02:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-11-20 11:02:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-11-20 11:02:06,483 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-11-20 11:02:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 11:02:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-20 11:02:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-20 11:02:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-11-20 11:02:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-11-20 11:02:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:02:06,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:02:07,931 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:02:07,942 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:02:15,035 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:04:27,486 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 11:04:33,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:04:33,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:04:33,068 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:04:33,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:04:33 BoogieIcfgContainer [2022-11-20 11:04:33,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:04:33,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:04:33,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:04:33,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:04:33,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:01:58" (1/3) ... [2022-11-20 11:04:33,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef411c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:04:33, skipping insertion in model container [2022-11-20 11:04:33,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:02:05" (2/3) ... [2022-11-20 11:04:33,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ef411c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:04:33, skipping insertion in model container [2022-11-20 11:04:33,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:04:33" (3/3) ... [2022-11-20 11:04:33,081 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-11-20 11:04:33,100 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:04:33,100 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:04:33,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:04:33,229 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;@1e9efd28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:04:33,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:04:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand has 2663 states, 1852 states have (on average 1.3077753779697625) internal successors, (2422), 1854 states have internal predecessors, (2422), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) [2022-11-20 11:04:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-20 11:04:33,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:33,328 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:33,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:33,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:33,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2016295737, now seen corresponding path program 1 times [2022-11-20 11:04:33,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:33,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016064744] [2022-11-20 11:04:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:33,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:33,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:33,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:04:33,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:04:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:37,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 4476 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:37,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:04:38,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:04:38,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:04:38,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016064744] [2022-11-20 11:04:38,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016064744] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:38,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:38,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:04:38,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840313963] [2022-11-20 11:04:38,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:38,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:04:38,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:04:38,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:38,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:38,553 INFO L87 Difference]: Start difference. First operand has 2663 states, 1852 states have (on average 1.3077753779697625) internal successors, (2422), 1854 states have internal predecessors, (2422), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:40,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:40,326 INFO L93 Difference]: Finished difference Result 7734 states and 11356 transitions. [2022-11-20 11:04:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:40,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2022-11-20 11:04:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:40,389 INFO L225 Difference]: With dead ends: 7734 [2022-11-20 11:04:40,389 INFO L226 Difference]: Without dead ends: 5071 [2022-11-20 11:04:40,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:40,425 INFO L413 NwaCegarLoop]: 4429 mSDtfsCounter, 3546 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3546 SdHoareTripleChecker+Valid, 8164 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:40,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3546 Valid, 8164 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:04:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-11-20 11:04:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 5067. [2022-11-20 11:04:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5067 states, 3568 states have (on average 1.3071748878923768) internal successors, (4664), 3572 states have internal predecessors, (4664), 1272 states have call successors, (1272), 226 states have call predecessors, (1272), 226 states have return successors, (1272), 1270 states have call predecessors, (1272), 1272 states have call successors, (1272) [2022-11-20 11:04:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 5067 states and 7208 transitions. [2022-11-20 11:04:40,843 INFO L78 Accepts]: Start accepts. Automaton has 5067 states and 7208 transitions. Word has length 456 [2022-11-20 11:04:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:40,847 INFO L495 AbstractCegarLoop]: Abstraction has 5067 states and 7208 transitions. [2022-11-20 11:04:40,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 7208 transitions. [2022-11-20 11:04:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-11-20 11:04:40,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:40,869 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:40,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:41,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:41,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:41,085 INFO L85 PathProgramCache]: Analyzing trace with hash 921650109, now seen corresponding path program 1 times [2022-11-20 11:04:41,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:41,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436914128] [2022-11-20 11:04:41,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:41,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:41,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:41,094 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:04:41,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:04:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:45,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 4477 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:45,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:04:45,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:04:45,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:04:45,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436914128] [2022-11-20 11:04:45,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436914128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:45,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:45,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:04:45,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878835354] [2022-11-20 11:04:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:45,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:04:45,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:04:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:45,847 INFO L87 Difference]: Start difference. First operand 5067 states and 7208 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:47,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:47,654 INFO L93 Difference]: Finished difference Result 14897 states and 21176 transitions. [2022-11-20 11:04:47,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:47,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 457 [2022-11-20 11:04:47,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:47,730 INFO L225 Difference]: With dead ends: 14897 [2022-11-20 11:04:47,730 INFO L226 Difference]: Without dead ends: 9907 [2022-11-20 11:04:47,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:47,760 INFO L413 NwaCegarLoop]: 4410 mSDtfsCounter, 3477 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:47,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3477 Valid, 8077 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 11:04:47,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9907 states. [2022-11-20 11:04:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9907 to 9901. [2022-11-20 11:04:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9901 states, 6992 states have (on average 1.3077803203661327) internal successors, (9144), 7002 states have internal predecessors, (9144), 2456 states have call successors, (2456), 452 states have call predecessors, (2456), 452 states have return successors, (2456), 2450 states have call predecessors, (2456), 2456 states have call successors, (2456) [2022-11-20 11:04:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 14056 transitions. [2022-11-20 11:04:48,531 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 14056 transitions. Word has length 457 [2022-11-20 11:04:48,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:48,533 INFO L495 AbstractCegarLoop]: Abstraction has 9901 states and 14056 transitions. [2022-11-20 11:04:48,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:48,534 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 14056 transitions. [2022-11-20 11:04:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2022-11-20 11:04:48,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:48,549 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:48,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:48,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:48,768 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:48,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:48,768 INFO L85 PathProgramCache]: Analyzing trace with hash 985411556, now seen corresponding path program 1 times [2022-11-20 11:04:48,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:48,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370611376] [2022-11-20 11:04:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:48,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:48,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:48,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:04:48,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:04:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:04:52,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 4478 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:04:52,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:04:53,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:04:53,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:04:53,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:04:53,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370611376] [2022-11-20 11:04:53,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370611376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:04:53,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:04:53,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:04:53,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783959100] [2022-11-20 11:04:53,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:04:53,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:04:53,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:04:53,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:04:53,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:53,448 INFO L87 Difference]: Start difference. First operand 9901 states and 14056 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:04:55,711 INFO L93 Difference]: Finished difference Result 29014 states and 41179 transitions. [2022-11-20 11:04:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:04:55,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 458 [2022-11-20 11:04:55,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:04:55,842 INFO L225 Difference]: With dead ends: 29014 [2022-11-20 11:04:55,843 INFO L226 Difference]: Without dead ends: 19190 [2022-11-20 11:04:55,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:04:55,888 INFO L413 NwaCegarLoop]: 4807 mSDtfsCounter, 3477 mSDsluCounter, 3668 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3477 SdHoareTripleChecker+Valid, 8475 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:04:55,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3477 Valid, 8475 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 11:04:55,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19190 states. [2022-11-20 11:04:57,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19190 to 19182. [2022-11-20 11:04:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19182 states, 13573 states have (on average 1.307816989611729) internal successors, (17751), 13595 states have internal predecessors, (17751), 4719 states have call successors, (4719), 889 states have call predecessors, (4719), 889 states have return successors, (4719), 4705 states have call predecessors, (4719), 4719 states have call successors, (4719) [2022-11-20 11:04:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19182 states to 19182 states and 27189 transitions. [2022-11-20 11:04:57,192 INFO L78 Accepts]: Start accepts. Automaton has 19182 states and 27189 transitions. Word has length 458 [2022-11-20 11:04:57,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:04:57,194 INFO L495 AbstractCegarLoop]: Abstraction has 19182 states and 27189 transitions. [2022-11-20 11:04:57,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:04:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 19182 states and 27189 transitions. [2022-11-20 11:04:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-20 11:04:57,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:04:57,211 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:04:57,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:04:57,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:57,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:04:57,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:04:57,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1856479661, now seen corresponding path program 1 times [2022-11-20 11:04:57,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:04:57,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046378403] [2022-11-20 11:04:57,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:04:57,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:04:57,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:04:57,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:04:57,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:05:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:02,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 4456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:02,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-11-20 11:05:02,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:02,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:02,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046378403] [2022-11-20 11:05:02,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046378403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:02,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:02,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:02,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667316231] [2022-11-20 11:05:02,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:02,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:02,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:02,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:02,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:02,764 INFO L87 Difference]: Start difference. First operand 19182 states and 27189 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:05:05,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:05,936 INFO L93 Difference]: Finished difference Result 48869 states and 68820 transitions. [2022-11-20 11:05:05,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:05,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 462 [2022-11-20 11:05:05,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:06,114 INFO L225 Difference]: With dead ends: 48869 [2022-11-20 11:05:06,114 INFO L226 Difference]: Without dead ends: 29764 [2022-11-20 11:05:06,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:06,201 INFO L413 NwaCegarLoop]: 4326 mSDtfsCounter, 2037 mSDsluCounter, 3633 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 7959 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:06,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 7959 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 11:05:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29764 states. [2022-11-20 11:05:08,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29764 to 29746. [2022-11-20 11:05:08,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29746 states, 21192 states have (on average 1.3023310683276708) internal successors, (27599), 21244 states have internal predecessors, (27599), 7028 states have call successors, (7028), 1525 states have call predecessors, (7028), 1525 states have return successors, (7028), 6984 states have call predecessors, (7028), 7028 states have call successors, (7028) [2022-11-20 11:05:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29746 states to 29746 states and 41655 transitions. [2022-11-20 11:05:08,691 INFO L78 Accepts]: Start accepts. Automaton has 29746 states and 41655 transitions. Word has length 462 [2022-11-20 11:05:08,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:05:08,693 INFO L495 AbstractCegarLoop]: Abstraction has 29746 states and 41655 transitions. [2022-11-20 11:05:08,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:05:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 29746 states and 41655 transitions. [2022-11-20 11:05:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-11-20 11:05:08,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:05:08,718 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:05:08,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:08,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:08,944 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:05:08,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:08,945 INFO L85 PathProgramCache]: Analyzing trace with hash 365202848, now seen corresponding path program 1 times [2022-11-20 11:05:08,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:05:08,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210886073] [2022-11-20 11:05:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:05:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:05:08,954 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:05:08,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:05:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:13,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:13,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:05:14,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:14,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:14,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210886073] [2022-11-20 11:05:14,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210886073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:14,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:14,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790524770] [2022-11-20 11:05:14,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:14,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:14,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:14,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:14,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:14,147 INFO L87 Difference]: Start difference. First operand 29746 states and 41655 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:05:17,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:17,331 INFO L93 Difference]: Finished difference Result 86159 states and 120715 transitions. [2022-11-20 11:05:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:17,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2022-11-20 11:05:17,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:17,614 INFO L225 Difference]: With dead ends: 86159 [2022-11-20 11:05:17,614 INFO L226 Difference]: Without dead ends: 56490 [2022-11-20 11:05:17,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:17,723 INFO L413 NwaCegarLoop]: 4515 mSDtfsCounter, 3425 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3425 SdHoareTripleChecker+Valid, 8199 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:17,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3425 Valid, 8199 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 11:05:17,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56490 states. [2022-11-20 11:05:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56490 to 56456. [2022-11-20 11:05:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56456 states, 40321 states have (on average 1.3020014384563874) internal successors, (52498), 40457 states have internal predecessors, (52498), 13233 states have call successors, (13233), 2901 states have call predecessors, (13233), 2901 states have return successors, (13233), 13113 states have call predecessors, (13233), 13233 states have call successors, (13233) [2022-11-20 11:05:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56456 states to 56456 states and 78964 transitions. [2022-11-20 11:05:21,603 INFO L78 Accepts]: Start accepts. Automaton has 56456 states and 78964 transitions. Word has length 473 [2022-11-20 11:05:21,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:05:21,604 INFO L495 AbstractCegarLoop]: Abstraction has 56456 states and 78964 transitions. [2022-11-20 11:05:21,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-20 11:05:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 56456 states and 78964 transitions. [2022-11-20 11:05:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-11-20 11:05:21,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:05:21,625 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:05:21,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:21,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:21,848 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:05:21,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:21,849 INFO L85 PathProgramCache]: Analyzing trace with hash 118660051, now seen corresponding path program 1 times [2022-11-20 11:05:21,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:05:21,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096772326] [2022-11-20 11:05:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:05:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:21,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:05:21,855 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:05:21,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:05:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:26,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 4513 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:26,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:05:26,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:26,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:26,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096772326] [2022-11-20 11:05:26,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096772326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:26,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:26,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789179765] [2022-11-20 11:05:26,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:26,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:26,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:26,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:26,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:26,998 INFO L87 Difference]: Start difference. First operand 56456 states and 78964 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-20 11:05:30,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:30,624 INFO L93 Difference]: Finished difference Result 114290 states and 159553 transitions. [2022-11-20 11:05:30,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:30,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 485 [2022-11-20 11:05:30,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:30,952 INFO L225 Difference]: With dead ends: 114290 [2022-11-20 11:05:30,952 INFO L226 Difference]: Without dead ends: 57911 [2022-11-20 11:05:31,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:31,379 INFO L413 NwaCegarLoop]: 3992 mSDtfsCounter, 1168 mSDsluCounter, 3656 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1168 SdHoareTripleChecker+Valid, 7648 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:31,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1168 Valid, 7648 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:05:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57911 states. [2022-11-20 11:05:34,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57911 to 57909. [2022-11-20 11:05:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57909 states, 41396 states have (on average 1.2993284375301961) internal successors, (53787), 41534 states have internal predecessors, (53787), 13447 states have call successors, (13447), 3065 states have call predecessors, (13447), 3065 states have return successors, (13447), 13325 states have call predecessors, (13447), 13447 states have call successors, (13447) [2022-11-20 11:05:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57909 states to 57909 states and 80681 transitions. [2022-11-20 11:05:35,200 INFO L78 Accepts]: Start accepts. Automaton has 57909 states and 80681 transitions. Word has length 485 [2022-11-20 11:05:35,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:05:35,201 INFO L495 AbstractCegarLoop]: Abstraction has 57909 states and 80681 transitions. [2022-11-20 11:05:35,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 3 states have call predecessors, (50), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-20 11:05:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 57909 states and 80681 transitions. [2022-11-20 11:05:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-11-20 11:05:35,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:05:35,208 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:05:35,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:05:35,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:35,424 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:05:35,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:05:35,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1493983520, now seen corresponding path program 1 times [2022-11-20 11:05:35,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:05:35,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769752179] [2022-11-20 11:05:35,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:05:35,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:05:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:05:35,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:05:35,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f881ace0-69d8-42e7-a1cd-b569dcfec4c3/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:05:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:05:39,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 4553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:05:39,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:05:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-11-20 11:05:40,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:05:40,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:05:40,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769752179] [2022-11-20 11:05:40,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769752179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:05:40,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:05:40,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:05:40,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75564039] [2022-11-20 11:05:40,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:05:40,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:05:40,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:05:40,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:05:40,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:40,135 INFO L87 Difference]: Start difference. First operand 57909 states and 80681 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-11-20 11:05:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:05:46,197 INFO L93 Difference]: Finished difference Result 171416 states and 238982 transitions. [2022-11-20 11:05:46,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:05:46,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 500 [2022-11-20 11:05:46,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:05:46,796 INFO L225 Difference]: With dead ends: 171416 [2022-11-20 11:05:46,796 INFO L226 Difference]: Without dead ends: 113584 [2022-11-20 11:05:46,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:05:46,988 INFO L413 NwaCegarLoop]: 7040 mSDtfsCounter, 3579 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 10754 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:05:46,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 10754 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:05:47,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113584 states.