./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- 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 11:59:28,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:59:28,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:59:28,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:59:28,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:59:28,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:59:28,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:59:28,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:59:28,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:59:28,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:59:28,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:59:28,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:59:28,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:59:28,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:59:28,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:59:28,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:59:28,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:59:28,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:59:28,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:59:28,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:59:28,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:59:28,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:59:28,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:59:28,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:59:28,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:59:28,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:59:28,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:59:28,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:59:28,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:59:28,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:59:28,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:59:28,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:59:28,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:59:28,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:59:28,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:59:28,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:59:28,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:59:28,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:59:28,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:59:28,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:59:28,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:59:28,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:59:28,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:59:28,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:59:28,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:59:28,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:59:28,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:59:28,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:59:28,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:59:28,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:59:28,391 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:59:28,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:59:28,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:59:28,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:59:28,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:59:28,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:59:28,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:59:28,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:59:28,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:59:28,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:59:28,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:59:28,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:59:28,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:59:28,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:28,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:59:28,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:59:28,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:59:28,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:59:28,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:59:28,408 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:59:28,409 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:59:28,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:59:28,409 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2022-11-20 11:59:28,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:59:28,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:59:28,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:59:28,779 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:59:28,779 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:59:28,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 11:59:32,119 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:59:33,162 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:59:33,163 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 11:59:33,245 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/084d49ef0/c932d1094f074bc2855ac87889a18680/FLAG8661595bd [2022-11-20 11:59:33,263 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/084d49ef0/c932d1094f074bc2855ac87889a18680 [2022-11-20 11:59:33,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:59:33,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:59:33,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:33,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:59:33,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:59:33,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:33" (1/1) ... [2022-11-20 11:59:33,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bebe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:33, skipping insertion in model container [2022-11-20 11:59:33,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:33" (1/1) ... [2022-11-20 11:59:33,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:59:33,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:59:34,677 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 11:59:34,689 INFO L158 Benchmark]: Toolchain (without parser) took 1415.28ms. Allocated memory is still 172.0MB. Free memory was 114.0MB in the beginning and 89.3MB in the end (delta: 24.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-11-20 11:59:34,690 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:59:34,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1409.75ms. Allocated memory is still 172.0MB. Free memory was 113.5MB in the beginning and 89.3MB in the end (delta: 24.2MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-11-20 11:59:34,693 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 172.0MB. Free memory is still 143.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1409.75ms. Allocated memory is still 172.0MB. Free memory was 113.5MB in the beginning and 89.3MB in the end (delta: 24.2MB). Peak memory consumption was 57.6MB. 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- 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 11:59:37,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:59:37,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:59:37,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:59:37,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:59:37,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:59:37,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:59:37,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:59:37,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:59:37,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:59:37,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:59:37,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:59:37,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:59:37,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:59:37,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:59:37,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:59:37,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:59:37,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:59:37,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:59:37,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:59:37,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:59:37,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:59:37,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:59:37,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:59:37,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:59:37,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:59:37,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:59:37,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:59:37,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:59:37,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:59:37,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:59:37,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:59:37,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:59:37,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:59:37,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:59:37,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:59:37,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:59:37,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:59:37,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:59:37,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:59:37,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:59:37,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:59:37,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:59:37,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:59:37,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:59:37,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:59:37,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:59:37,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:59:37,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:59:37,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:59:37,335 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:59:37,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:59:37,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:59:37,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:59:37,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:59:37,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:59:37,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:59:37,338 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:59:37,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:59:37,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:59:37,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:59:37,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:59:37,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:59:37,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:59:37,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:59:37,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:37,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:59:37,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:59:37,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:59:37,341 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:59:37,341 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:59:37,341 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:59:37,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:59:37,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:59:37,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:59:37,342 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2022-11-20 11:59:37,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:59:37,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:59:37,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:59:37,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:59:37,774 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:59:37,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 11:59:41,166 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:59:42,210 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:59:42,211 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 11:59:42,322 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/831d57ec2/0d29273dfc734eeeab30651d5e5f84f5/FLAGb4ed3dd17 [2022-11-20 11:59:42,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/data/831d57ec2/0d29273dfc734eeeab30651d5e5f84f5 [2022-11-20 11:59:42,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:59:42,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:59:42,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:42,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:59:42,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:59:42,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:42" (1/1) ... [2022-11-20 11:59:42,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f3581e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:42, skipping insertion in model container [2022-11-20 11:59:42,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:42" (1/1) ... [2022-11-20 11:59:42,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:59:43,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:59:47,524 WARN L569 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-11-20 11:59:50,554 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-20 11:59:50,558 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-20 11:59:50,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:50,666 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:59:50,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:59:51,558 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-20 11:59:51,559 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-20 11:59:51,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:51,634 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:59:52,479 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2022-11-20 11:59:52,480 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_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2022-11-20 11:59:52,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:53,070 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:59:53,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53 WrapperNode [2022-11-20 11:59:53,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:53,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:53,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:59:53,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:59:53,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:53,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:53,667 INFO L138 Inliner]: procedures = 711, calls = 7009, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13032 [2022-11-20 11:59:53,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:53,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:59:53,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:59:53,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:59:53,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:53,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:53,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:53,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,259 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:59:54,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:59:54,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:59:54,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:59:54,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (1/1) ... [2022-11-20 11:59:54,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:54,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:59:54,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:59:54,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:59:54,469 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2022-11-20 11:59:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2022-11-20 11:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2022-11-20 11:59:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2022-11-20 11:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-20 11:59:54,470 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2022-11-20 11:59:54,471 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2022-11-20 11:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 11:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2022-11-20 11:59:54,471 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2022-11-20 11:59:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 11:59:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 11:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2022-11-20 11:59:54,472 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2022-11-20 11:59:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:59:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:59:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2022-11-20 11:59:54,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2022-11-20 11:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2022-11-20 11:59:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2022-11-20 11:59:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:59:54,475 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:59:54,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:59:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2022-11-20 11:59:54,476 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2022-11-20 11:59:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2022-11-20 11:59:54,477 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2022-11-20 11:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2022-11-20 11:59:54,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2022-11-20 11:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2022-11-20 11:59:54,478 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2022-11-20 11:59:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-20 11:59:54,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-20 11:59:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-20 11:59:54,479 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-20 11:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:59:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2022-11-20 11:59:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2022-11-20 11:59:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2022-11-20 11:59:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2022-11-20 11:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2022-11-20 11:59:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2022-11-20 11:59:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:59:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:59:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2022-11-20 11:59:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2022-11-20 11:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-11-20 11:59:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-11-20 11:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-20 11:59:54,483 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-20 11:59:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-20 11:59:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-20 11:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2022-11-20 11:59:54,484 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2022-11-20 11:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 11:59:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2022-11-20 11:59:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2022-11-20 11:59:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:59:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:59:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:59:54,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:59:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-20 11:59:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-20 11:59:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2022-11-20 11:59:54,486 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2022-11-20 11:59:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-20 11:59:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-20 11:59:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:59:54,488 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:59:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:59:54,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2022-11-20 11:59:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2022-11-20 11:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2022-11-20 11:59:54,490 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2022-11-20 11:59:54,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:59:54,491 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:59:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2022-11-20 11:59:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2022-11-20 11:59:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-20 11:59:54,492 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-20 11:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-20 11:59:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-20 11:59:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2022-11-20 11:59:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2022-11-20 11:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-20 11:59:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-20 11:59:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:59:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:59:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:59:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2022-11-20 11:59:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2022-11-20 11:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 11:59:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 11:59:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2022-11-20 11:59:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2022-11-20 11:59:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 11:59:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 11:59:54,498 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2022-11-20 11:59:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2022-11-20 11:59:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:59:54,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:59:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 11:59:54,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 11:59:54,504 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:59:54,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:59:54,506 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2022-11-20 11:59:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2022-11-20 11:59:54,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:59:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:59:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2022-11-20 11:59:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2022-11-20 11:59:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2022-11-20 11:59:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2022-11-20 11:59:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 11:59:54,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 11:59:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2022-11-20 11:59:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2022-11-20 11:59:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:59:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:59:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 11:59:54,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 11:59:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2022-11-20 11:59:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2022-11-20 11:59:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 11:59:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 11:59:54,516 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 11:59:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 11:59:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:59:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:59:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:59:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:59:54,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-20 11:59:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-20 11:59:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 11:59:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 11:59:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 11:59:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 11:59:54,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:59:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:59:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 11:59:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 11:59:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2022-11-20 11:59:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2022-11-20 11:59:54,519 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-20 11:59:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-20 11:59:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:59:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-20 11:59:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-20 11:59:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-20 11:59:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-20 11:59:54,520 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2022-11-20 11:59:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2022-11-20 11:59:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:59:54,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:59:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:59:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:59:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:59:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:59:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2022-11-20 11:59:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2022-11-20 11:59:54,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:59:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:59:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2022-11-20 11:59:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2022-11-20 11:59:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:59:54,523 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-20 11:59:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-20 11:59:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:59:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 11:59:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:59:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 11:59:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 11:59:54,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:59:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 11:59:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 11:59:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 11:59:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2022-11-20 11:59:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2022-11-20 11:59:54,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-20 11:59:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-20 11:59:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 11:59:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 11:59:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2022-11-20 11:59:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2022-11-20 11:59:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:59:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:59:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2022-11-20 11:59:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2022-11-20 11:59:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 11:59:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 11:59:54,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 11:59:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 11:59:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2022-11-20 11:59:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2022-11-20 11:59:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2022-11-20 11:59:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2022-11-20 11:59:54,528 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:59:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2022-11-20 11:59:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2022-11-20 11:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:59:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:59:54,529 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2022-11-20 11:59:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2022-11-20 11:59:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:59:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:59:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-20 11:59:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-20 11:59:54,530 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 11:59:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 11:59:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2022-11-20 11:59:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2022-11-20 11:59:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:59:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 11:59:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 11:59:54,531 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 11:59:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 11:59:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-20 11:59:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-20 11:59:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:59:54,532 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2022-11-20 11:59:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2022-11-20 11:59:54,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-20 11:59:54,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-20 11:59:54,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:59:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:59:54,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:59:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:59:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:59:54,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:59:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-20 11:59:54,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2022-11-20 11:59:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-11-20 11:59:54,540 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-11-20 11:59:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 11:59:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 11:59:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2022-11-20 11:59:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2022-11-20 11:59:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2022-11-20 11:59:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2022-11-20 11:59:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2022-11-20 11:59:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2022-11-20 11:59:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2022-11-20 11:59:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2022-11-20 11:59:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-20 11:59:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-20 11:59:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2022-11-20 11:59:54,546 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2022-11-20 11:59:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:59:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:59:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2022-11-20 11:59:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2022-11-20 11:59:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:59:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:59:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-20 11:59:54,548 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-20 11:59:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-20 11:59:54,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-20 11:59:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2022-11-20 11:59:54,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2022-11-20 11:59:54,548 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 11:59:54,548 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 11:59:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:59:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:59:54,549 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:59:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2022-11-20 11:59:54,549 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2022-11-20 11:59:54,549 INFO L130 BoogieDeclarations]: Found specification of procedure up [2022-11-20 11:59:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2022-11-20 11:59:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:59:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-20 11:59:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-20 11:59:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2022-11-20 11:59:54,550 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2022-11-20 11:59:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2022-11-20 11:59:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2022-11-20 11:59:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 11:59:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 11:59:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2022-11-20 11:59:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2022-11-20 11:59:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:59:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:59:54,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:59:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:59:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:59:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:59:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:59:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2022-11-20 11:59:54,552 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2022-11-20 11:59:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2022-11-20 11:59:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2022-11-20 11:59:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:59:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:59:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 11:59:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 11:59:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2022-11-20 11:59:54,553 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2022-11-20 11:59:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 11:59:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 11:59:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:59:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:59:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2022-11-20 11:59:54,554 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2022-11-20 11:59:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2022-11-20 11:59:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2022-11-20 11:59:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:59:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:59:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-11-20 11:59:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-11-20 11:59:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2022-11-20 11:59:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2022-11-20 11:59:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2022-11-20 11:59:54,556 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2022-11-20 11:59:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 11:59:54,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 11:59:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2022-11-20 11:59:54,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2022-11-20 11:59:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2022-11-20 11:59:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2022-11-20 11:59:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 11:59:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 11:59:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:59:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:59:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2022-11-20 11:59:54,557 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2022-11-20 11:59:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2022-11-20 11:59:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2022-11-20 11:59:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2022-11-20 11:59:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2022-11-20 11:59:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:59:54,558 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:59:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 11:59:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 11:59:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:59:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:59:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-20 11:59:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-20 11:59:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 11:59:54,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 11:59:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2022-11-20 11:59:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2022-11-20 11:59:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2022-11-20 11:59:54,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2022-11-20 11:59:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:59:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:59:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:59:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:59:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2022-11-20 11:59:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2022-11-20 11:59:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-20 11:59:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-20 11:59:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-20 11:59:54,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-20 11:59:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:59:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:59:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2022-11-20 11:59:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2022-11-20 11:59:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-20 11:59:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-20 11:59:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2022-11-20 11:59:54,562 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2022-11-20 11:59:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 11:59:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 11:59:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 11:59:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 11:59:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2022-11-20 11:59:54,564 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2022-11-20 11:59:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 11:59:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 11:59:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-20 11:59:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-20 11:59:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:59:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:59:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2022-11-20 11:59:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2022-11-20 11:59:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2022-11-20 11:59:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2022-11-20 11:59:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:59:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:59:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2022-11-20 11:59:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2022-11-20 11:59:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2022-11-20 11:59:54,566 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2022-11-20 11:59:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2022-11-20 11:59:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2022-11-20 11:59:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 11:59:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 11:59:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2022-11-20 11:59:54,567 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2022-11-20 11:59:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-20 11:59:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-20 11:59:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 11:59:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 11:59:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2022-11-20 11:59:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2022-11-20 11:59:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:59:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:59:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2022-11-20 11:59:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2022-11-20 11:59:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-20 11:59:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-20 11:59:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2022-11-20 11:59:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2022-11-20 11:59:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2022-11-20 11:59:54,569 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2022-11-20 11:59:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2022-11-20 11:59:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2022-11-20 11:59:54,570 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2022-11-20 11:59:54,570 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2022-11-20 11:59:56,481 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:59:56,486 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:59:59,093 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:02:58,403 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:02:58,433 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:02:58,434 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 12:02:58,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:58 BoogieIcfgContainer [2022-11-20 12:02:58,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:02:58,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:02:58,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:02:58,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:02:58,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:59:42" (1/3) ... [2022-11-20 12:02:58,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36551457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:58, skipping insertion in model container [2022-11-20 12:02:58,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:53" (2/3) ... [2022-11-20 12:02:58,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36551457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:02:58, skipping insertion in model container [2022-11-20 12:02:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:02:58" (3/3) ... [2022-11-20 12:02:58,449 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2022-11-20 12:02:58,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:02:58,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:02:58,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:02:58,656 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;@68f907d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:02:58,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:02:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 4370 states, 2852 states have (on average 1.30890603085554) internal successors, (3733), 3017 states have internal predecessors, (3733), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) [2022-11-20 12:02:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 12:02:58,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:58,727 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 12:02:58,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:58,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:58,741 INFO L85 PathProgramCache]: Analyzing trace with hash 606686175, now seen corresponding path program 1 times [2022-11-20 12:02:58,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:58,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926380831] [2022-11-20 12:02:58,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:58,772 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 12:02:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:58,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:02:58,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:05,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 4113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:05,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-20 12:03:05,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:05,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:05,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926380831] [2022-11-20 12:03:05,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926380831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:05,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:05,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:03:05,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425755019] [2022-11-20 12:03:05,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:05,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:05,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:05,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:05,948 INFO L87 Difference]: Start difference. First operand has 4370 states, 2852 states have (on average 1.30890603085554) internal successors, (3733), 3017 states have internal predecessors, (3733), 1326 states have call successors, (1326), 192 states have call predecessors, (1326), 191 states have return successors, (1313), 1250 states have call predecessors, (1313), 1313 states have call successors, (1313) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 12:03:07,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:08,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:08,402 INFO L93 Difference]: Finished difference Result 9411 states and 14063 transitions. [2022-11-20 12:03:08,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:08,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 196 [2022-11-20 12:03:08,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:08,487 INFO L225 Difference]: With dead ends: 9411 [2022-11-20 12:03:08,487 INFO L226 Difference]: Without dead ends: 4932 [2022-11-20 12:03:08,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 12:03:08,554 INFO L413 NwaCegarLoop]: 7407 mSDtfsCounter, 865 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1262 SdHoareTripleChecker+Valid, 13578 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:08,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1262 Valid, 13578 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 12:03:08,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2022-11-20 12:03:08,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4269. [2022-11-20 12:03:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4269 states, 2800 states have (on average 1.3017857142857143) internal successors, (3645), 2951 states have internal predecessors, (3645), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:03:08,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 4269 states and 6201 transitions. [2022-11-20 12:03:08,987 INFO L78 Accepts]: Start accepts. Automaton has 4269 states and 6201 transitions. Word has length 196 [2022-11-20 12:03:08,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:08,990 INFO L495 AbstractCegarLoop]: Abstraction has 4269 states and 6201 transitions. [2022-11-20 12:03:08,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 12:03:08,991 INFO L276 IsEmpty]: Start isEmpty. Operand 4269 states and 6201 transitions. [2022-11-20 12:03:08,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 12:03:08,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:08,998 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:03:09,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:09,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:09,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:09,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:09,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1636173973, now seen corresponding path program 1 times [2022-11-20 12:03:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:09,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436081944] [2022-11-20 12:03:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:09,240 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 12:03:09,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:09,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:09,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:17,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 4845 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:03:17,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 12:03:17,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:17,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:17,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436081944] [2022-11-20 12:03:17,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436081944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:17,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:17,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:17,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071407484] [2022-11-20 12:03:17,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:17,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:03:17,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:17,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:17,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:17,502 INFO L87 Difference]: Start difference. First operand 4269 states and 6201 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:03:19,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:21,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:24,033 INFO L93 Difference]: Finished difference Result 10520 states and 15462 transitions. [2022-11-20 12:03:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:03:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2022-11-20 12:03:24,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:24,090 INFO L225 Difference]: With dead ends: 10520 [2022-11-20 12:03:24,090 INFO L226 Difference]: Without dead ends: 6286 [2022-11-20 12:03:24,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:03:24,124 INFO L413 NwaCegarLoop]: 8306 mSDtfsCounter, 2808 mSDsluCounter, 21776 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1126 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3183 SdHoareTripleChecker+Valid, 30082 SdHoareTripleChecker+Invalid, 1139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1126 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:24,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3183 Valid, 30082 Invalid, 1139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1126 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 12:03:24,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6286 states. [2022-11-20 12:03:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6286 to 4272. [2022-11-20 12:03:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4272 states, 2803 states have (on average 1.3014627185158758) internal successors, (3648), 2954 states have internal predecessors, (3648), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:03:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 6204 transitions. [2022-11-20 12:03:24,421 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 6204 transitions. Word has length 163 [2022-11-20 12:03:24,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:24,423 INFO L495 AbstractCegarLoop]: Abstraction has 4272 states and 6204 transitions. [2022-11-20 12:03:24,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:03:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 6204 transitions. [2022-11-20 12:03:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 12:03:24,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:24,434 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 12:03:24,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:24,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:24,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:24,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:24,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2005639777, now seen corresponding path program 1 times [2022-11-20 12:03:24,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:24,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287885640] [2022-11-20 12:03:24,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:24,664 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 12:03:24,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:24,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:24,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:30,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 4113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:03:30,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-11-20 12:03:31,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:31,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:31,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287885640] [2022-11-20 12:03:31,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287885640] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:31,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:31,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:03:31,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132107630] [2022-11-20 12:03:31,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:03:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:31,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:03:31,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:31,208 INFO L87 Difference]: Start difference. First operand 4272 states and 6204 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 12:03:33,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:35,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:38,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:38,008 INFO L93 Difference]: Finished difference Result 9545 states and 13952 transitions. [2022-11-20 12:03:38,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:03:38,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 196 [2022-11-20 12:03:38,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:38,060 INFO L225 Difference]: With dead ends: 9545 [2022-11-20 12:03:38,060 INFO L226 Difference]: Without dead ends: 5295 [2022-11-20 12:03:38,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:03:38,094 INFO L413 NwaCegarLoop]: 7075 mSDtfsCounter, 2436 mSDsluCounter, 19110 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1131 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 26185 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1131 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:38,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2436 Valid, 26185 Invalid, 1145 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1131 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-11-20 12:03:38,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-11-20 12:03:38,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 4275. [2022-11-20 12:03:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4275 states, 2806 states have (on average 1.3011404133998574) internal successors, (3651), 2957 states have internal predecessors, (3651), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:03:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 4275 states and 6207 transitions. [2022-11-20 12:03:38,381 INFO L78 Accepts]: Start accepts. Automaton has 4275 states and 6207 transitions. Word has length 196 [2022-11-20 12:03:38,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:38,381 INFO L495 AbstractCegarLoop]: Abstraction has 4275 states and 6207 transitions. [2022-11-20 12:03:38,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-20 12:03:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 4275 states and 6207 transitions. [2022-11-20 12:03:38,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 12:03:38,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:38,385 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:03:38,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:38,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:38,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:38,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash 700218537, now seen corresponding path program 1 times [2022-11-20 12:03:38,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:38,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1397326684] [2022-11-20 12:03:38,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:38,612 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 12:03:38,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:38,613 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:38,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:46,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 4845 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:03:46,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 12:03:46,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:46,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:46,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1397326684] [2022-11-20 12:03:46,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1397326684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:46,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:46,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:03:46,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214213218] [2022-11-20 12:03:46,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:46,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:03:46,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:46,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:03:46,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:03:46,175 INFO L87 Difference]: Start difference. First operand 4275 states and 6207 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:03:46,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:46,699 INFO L93 Difference]: Finished difference Result 9172 states and 13383 transitions. [2022-11-20 12:03:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:03:46,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2022-11-20 12:03:46,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:46,733 INFO L225 Difference]: With dead ends: 9172 [2022-11-20 12:03:46,733 INFO L226 Difference]: Without dead ends: 4939 [2022-11-20 12:03:46,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 161 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 12:03:46,754 INFO L413 NwaCegarLoop]: 7147 mSDtfsCounter, 490 mSDsluCounter, 6433 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 755 SdHoareTripleChecker+Valid, 13580 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:46,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [755 Valid, 13580 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:03:46,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2022-11-20 12:03:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4276. [2022-11-20 12:03:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4276 states, 2807 states have (on average 1.3010331314570716) internal successors, (3652), 2958 states have internal predecessors, (3652), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:03:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 6208 transitions. [2022-11-20 12:03:47,007 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 6208 transitions. Word has length 163 [2022-11-20 12:03:47,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:47,008 INFO L495 AbstractCegarLoop]: Abstraction has 4276 states and 6208 transitions. [2022-11-20 12:03:47,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:03:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 6208 transitions. [2022-11-20 12:03:47,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 12:03:47,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:47,012 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:03:47,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:47,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:47,226 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:47,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:47,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1888059757, now seen corresponding path program 1 times [2022-11-20 12:03:47,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:47,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503364294] [2022-11-20 12:03:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:47,233 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 12:03:47,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:47,235 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:47,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:55,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 4845 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:03:55,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:03:55,475 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-11-20 12:03:55,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:03:55,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:03:55,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503364294] [2022-11-20 12:03:55,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503364294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:55,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:55,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:03:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570099131] [2022-11-20 12:03:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:55,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:03:55,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:03:55,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:03:55,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:03:55,479 INFO L87 Difference]: Start difference. First operand 4276 states and 6208 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 12:03:56,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:56,561 INFO L93 Difference]: Finished difference Result 9500 states and 13888 transitions. [2022-11-20 12:03:56,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:03:56,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 163 [2022-11-20 12:03:56,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:56,622 INFO L225 Difference]: With dead ends: 9500 [2022-11-20 12:03:56,622 INFO L226 Difference]: Without dead ends: 5273 [2022-11-20 12:03:56,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:03:56,760 INFO L413 NwaCegarLoop]: 7321 mSDtfsCounter, 787 mSDsluCounter, 13770 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1159 SdHoareTripleChecker+Valid, 21091 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:56,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1159 Valid, 21091 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:03:56,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5273 states. [2022-11-20 12:03:56,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5273 to 4278. [2022-11-20 12:03:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4278 states, 2809 states have (on average 1.300818796724813) internal successors, (3654), 2960 states have internal predecessors, (3654), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:03:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 6210 transitions. [2022-11-20 12:03:57,020 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 6210 transitions. Word has length 163 [2022-11-20 12:03:57,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:57,021 INFO L495 AbstractCegarLoop]: Abstraction has 4278 states and 6210 transitions. [2022-11-20 12:03:57,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-20 12:03:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 6210 transitions. [2022-11-20 12:03:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 12:03:57,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:57,025 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-20 12:03:57,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:57,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:57,238 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:57,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:57,239 INFO L85 PathProgramCache]: Analyzing trace with hash -153444317, now seen corresponding path program 1 times [2022-11-20 12:03:57,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:03:57,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289968422] [2022-11-20 12:03:57,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:57,245 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 12:03:57,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:03:57,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:03:57,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:03,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 4113 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:04:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-20 12:04:06,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:06,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:06,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289968422] [2022-11-20 12:04:06,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289968422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:06,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:06,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:04:06,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126810764] [2022-11-20 12:04:06,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:06,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:04:06,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:06,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:04:06,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:06,171 INFO L87 Difference]: Start difference. First operand 4278 states and 6210 transitions. Second operand has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2022-11-20 12:04:21,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:21,080 INFO L93 Difference]: Finished difference Result 6119 states and 8874 transitions. [2022-11-20 12:04:21,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:04:21,080 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 196 [2022-11-20 12:04:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:21,115 INFO L225 Difference]: With dead ends: 6119 [2022-11-20 12:04:21,115 INFO L226 Difference]: Without dead ends: 4274 [2022-11-20 12:04:21,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2022-11-20 12:04:21,129 INFO L413 NwaCegarLoop]: 6144 mSDtfsCounter, 23 mSDsluCounter, 61302 mSDsCounter, 0 mSdLazyCounter, 753 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67446 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:21,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67446 Invalid, 763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 753 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2022-11-20 12:04:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4274 states. [2022-11-20 12:04:21,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4274 to 4273. [2022-11-20 12:04:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 2804 states have (on average 1.2999286733238231) internal successors, (3645), 2955 states have internal predecessors, (3645), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 190 states have return successors, (1278), 1216 states have call predecessors, (1278), 1278 states have call successors, (1278) [2022-11-20 12:04:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6201 transitions. [2022-11-20 12:04:21,365 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6201 transitions. Word has length 196 [2022-11-20 12:04:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:21,366 INFO L495 AbstractCegarLoop]: Abstraction has 4273 states and 6201 transitions. [2022-11-20 12:04:21,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.818181818181818) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2022-11-20 12:04:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6201 transitions. [2022-11-20 12:04:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 12:04:21,369 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:21,369 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-20 12:04:21,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:21,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:21,590 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:21,591 INFO L85 PathProgramCache]: Analyzing trace with hash -720727701, now seen corresponding path program 1 times [2022-11-20 12:04:21,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:21,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990826745] [2022-11-20 12:04:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:21,596 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 12:04:21,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:21,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:21,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:29,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 4847 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:04:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:30,570 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 12:04:30,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:30,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:30,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990826745] [2022-11-20 12:04:30,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990826745] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:30,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:30,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:04:30,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082925198] [2022-11-20 12:04:30,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:30,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:04:30,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:30,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:04:30,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:04:30,573 INFO L87 Difference]: Start difference. First operand 4273 states and 6201 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:04:33,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:35,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:35,781 INFO L93 Difference]: Finished difference Result 8507 states and 12361 transitions. [2022-11-20 12:04:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:04:35,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2022-11-20 12:04:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:35,809 INFO L225 Difference]: With dead ends: 8507 [2022-11-20 12:04:35,809 INFO L226 Difference]: Without dead ends: 4280 [2022-11-20 12:04:35,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:04:35,831 INFO L413 NwaCegarLoop]: 6195 mSDtfsCounter, 5 mSDsluCounter, 24758 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 30953 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:35,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 30953 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 12:04:35,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2022-11-20 12:04:36,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4278. [2022-11-20 12:04:36,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4278 states, 2808 states have (on average 1.2995014245014245) internal successors, (3649), 2959 states have internal predecessors, (3649), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 191 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:04:36,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 4278 states and 6207 transitions. [2022-11-20 12:04:36,054 INFO L78 Accepts]: Start accepts. Automaton has 4278 states and 6207 transitions. Word has length 163 [2022-11-20 12:04:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:36,055 INFO L495 AbstractCegarLoop]: Abstraction has 4278 states and 6207 transitions. [2022-11-20 12:04:36,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-20 12:04:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4278 states and 6207 transitions. [2022-11-20 12:04:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-20 12:04:36,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:36,060 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:04:36,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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)] Ended with exit code 0 [2022-11-20 12:04:36,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:36,278 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:36,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1558670833, now seen corresponding path program 1 times [2022-11-20 12:04:36,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:36,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943774328] [2022-11-20 12:04:36,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:36,282 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 12:04:36,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:36,283 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:36,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 12:04:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:44,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 5040 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:04:44,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 12:04:44,876 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:44,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:44,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943774328] [2022-11-20 12:04:44,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943774328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:44,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:44,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:04:44,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428144797] [2022-11-20 12:04:44,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:44,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:04:44,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:44,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:04:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:44,879 INFO L87 Difference]: Start difference. First operand 4278 states and 6207 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-20 12:04:46,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:46,256 INFO L93 Difference]: Finished difference Result 8513 states and 12562 transitions. [2022-11-20 12:04:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:04:46,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 195 [2022-11-20 12:04:46,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:46,283 INFO L225 Difference]: With dead ends: 8513 [2022-11-20 12:04:46,283 INFO L226 Difference]: Without dead ends: 4279 [2022-11-20 12:04:46,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:04:46,311 INFO L413 NwaCegarLoop]: 6194 mSDtfsCounter, 2 mSDsluCounter, 12353 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18547 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:46,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18547 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:04:46,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4279 states. [2022-11-20 12:04:46,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4279 to 4279. [2022-11-20 12:04:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4279 states, 2809 states have (on average 1.2993948024207904) internal successors, (3650), 2960 states have internal predecessors, (3650), 1278 states have call successors, (1278), 190 states have call predecessors, (1278), 191 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:04:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6208 transitions. [2022-11-20 12:04:46,527 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 6208 transitions. Word has length 195 [2022-11-20 12:04:46,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:46,528 INFO L495 AbstractCegarLoop]: Abstraction has 4279 states and 6208 transitions. [2022-11-20 12:04:46,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-20 12:04:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 6208 transitions. [2022-11-20 12:04:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 12:04:46,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:46,532 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:04:46,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:46,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:46,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:46,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:46,747 INFO L85 PathProgramCache]: Analyzing trace with hash -88333445, now seen corresponding path program 1 times [2022-11-20 12:04:46,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:46,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886732456] [2022-11-20 12:04:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:46,752 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 12:04:46,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:46,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:04:46,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 12:04:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:55,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 5051 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:55,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 12:04:55,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:57,665 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 12:04:57,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:57,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886732456] [2022-11-20 12:04:57,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886732456] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:57,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:04:57,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:04:57,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371868517] [2022-11-20 12:04:57,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:57,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:04:57,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:57,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:04:57,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:04:57,668 INFO L87 Difference]: Start difference. First operand 4279 states and 6208 transitions. Second operand has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 12:05:02,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:02,523 INFO L93 Difference]: Finished difference Result 8523 states and 12577 transitions. [2022-11-20 12:05:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:05:02,524 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 196 [2022-11-20 12:05:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:02,552 INFO L225 Difference]: With dead ends: 8523 [2022-11-20 12:05:02,552 INFO L226 Difference]: Without dead ends: 4288 [2022-11-20 12:05:02,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:05:02,650 INFO L413 NwaCegarLoop]: 6163 mSDtfsCounter, 16 mSDsluCounter, 18450 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24613 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:02,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 24613 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-20 12:05:02,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2022-11-20 12:05:02,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 4288. [2022-11-20 12:05:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4288 states, 2817 states have (on average 1.2996095136670216) internal successors, (3661), 2968 states have internal predecessors, (3661), 1278 states have call successors, (1278), 191 states have call predecessors, (1278), 192 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:05:02,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 6219 transitions. [2022-11-20 12:05:02,843 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 6219 transitions. Word has length 196 [2022-11-20 12:05:02,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:02,844 INFO L495 AbstractCegarLoop]: Abstraction has 4288 states and 6219 transitions. [2022-11-20 12:05:02,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 12:05:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 6219 transitions. [2022-11-20 12:05:02,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-20 12:05:02,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:02,848 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:05:02,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:03,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:03,069 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:03,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:03,070 INFO L85 PathProgramCache]: Analyzing trace with hash 942116111, now seen corresponding path program 2 times [2022-11-20 12:05:03,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:03,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613005897] [2022-11-20 12:05:03,075 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:05:03,075 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 12:05:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:03,076 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:03,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 12:05:08,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:05:08,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:05:09,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 4031 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:05:09,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-11-20 12:05:15,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:15,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:15,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613005897] [2022-11-20 12:05:15,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [613005897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:15,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:15,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:05:15,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542233836] [2022-11-20 12:05:15,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:15,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:15,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:15,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:15,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:15,398 INFO L87 Difference]: Start difference. First operand 4288 states and 6219 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:15,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:15,689 INFO L93 Difference]: Finished difference Result 8530 states and 12445 transitions. [2022-11-20 12:05:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:15,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 199 [2022-11-20 12:05:15,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:15,715 INFO L225 Difference]: With dead ends: 8530 [2022-11-20 12:05:15,715 INFO L226 Difference]: Without dead ends: 4288 [2022-11-20 12:05:15,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 197 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 12:05:15,738 INFO L413 NwaCegarLoop]: 6194 mSDtfsCounter, 6058 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6058 SdHoareTripleChecker+Valid, 6194 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:15,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6058 Valid, 6194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:05:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4288 states. [2022-11-20 12:05:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4288 to 4288. [2022-11-20 12:05:16,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4288 states, 2817 states have (on average 1.2992545260915869) internal successors, (3660), 2968 states have internal predecessors, (3660), 1278 states have call successors, (1278), 191 states have call predecessors, (1278), 192 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:05:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4288 states to 4288 states and 6218 transitions. [2022-11-20 12:05:16,134 INFO L78 Accepts]: Start accepts. Automaton has 4288 states and 6218 transitions. Word has length 199 [2022-11-20 12:05:16,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:16,134 INFO L495 AbstractCegarLoop]: Abstraction has 4288 states and 6218 transitions. [2022-11-20 12:05:16,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:16,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4288 states and 6218 transitions. [2022-11-20 12:05:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-20 12:05:16,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:16,138 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:05:16,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:16,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:16,354 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:16,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:16,355 INFO L85 PathProgramCache]: Analyzing trace with hash -702560925, now seen corresponding path program 1 times [2022-11-20 12:05:16,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:16,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394151363] [2022-11-20 12:05:16,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:16,358 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 12:05:16,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:16,359 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:16,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (12)] Waiting until timeout for monitored process [2022-11-20 12:05:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:25,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 5085 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:05:25,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 12:05:26,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 12:05:30,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:30,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394151363] [2022-11-20 12:05:30,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394151363] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:05:30,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:05:30,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 12:05:30,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233596607] [2022-11-20 12:05:30,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:05:30,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:05:30,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:30,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:05:30,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:05:30,369 INFO L87 Difference]: Start difference. First operand 4288 states and 6218 transitions. Second operand has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 12:05:38,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:38,783 INFO L93 Difference]: Finished difference Result 8545 states and 12662 transitions. [2022-11-20 12:05:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 12:05:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 200 [2022-11-20 12:05:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:38,810 INFO L225 Difference]: With dead ends: 8545 [2022-11-20 12:05:38,811 INFO L226 Difference]: Without dead ends: 4293 [2022-11-20 12:05:38,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2022-11-20 12:05:38,836 INFO L413 NwaCegarLoop]: 6164 mSDtfsCounter, 42 mSDsluCounter, 30806 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 36970 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:38,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 36970 Invalid, 614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [278 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-11-20 12:05:38,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2022-11-20 12:05:39,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2022-11-20 12:05:39,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2822 states have (on average 1.2980155917788803) internal successors, (3663), 2973 states have internal predecessors, (3663), 1278 states have call successors, (1278), 191 states have call predecessors, (1278), 192 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:05:39,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6221 transitions. [2022-11-20 12:05:39,207 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6221 transitions. Word has length 200 [2022-11-20 12:05:39,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:39,208 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6221 transitions. [2022-11-20 12:05:39,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-20 12:05:39,208 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6221 transitions. [2022-11-20 12:05:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-20 12:05:39,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:39,210 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:05:39,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:39,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:39,426 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:39,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:39,427 INFO L85 PathProgramCache]: Analyzing trace with hash 2104362979, now seen corresponding path program 2 times [2022-11-20 12:05:39,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:39,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [417932698] [2022-11-20 12:05:39,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:05:39,431 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 12:05:39,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:39,433 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:39,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (13)] Waiting until timeout for monitored process [2022-11-20 12:05:45,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:05:45,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:05:45,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 4032 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:05:45,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:05:52,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:52,060 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:52,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [417932698] [2022-11-20 12:05:52,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [417932698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:52,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:52,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:05:52,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432884630] [2022-11-20 12:05:52,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:52,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:52,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:52,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:52,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:52,062 INFO L87 Difference]: Start difference. First operand 4293 states and 6221 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:52,294 INFO L93 Difference]: Finished difference Result 8540 states and 12449 transitions. [2022-11-20 12:05:52,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:52,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 202 [2022-11-20 12:05:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:52,320 INFO L225 Difference]: With dead ends: 8540 [2022-11-20 12:05:52,320 INFO L226 Difference]: Without dead ends: 4293 [2022-11-20 12:05:52,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 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 12:05:52,342 INFO L413 NwaCegarLoop]: 6193 mSDtfsCounter, 6056 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6056 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:52,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6056 Valid, 6193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:05:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2022-11-20 12:05:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2022-11-20 12:05:52,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2822 states have (on average 1.297661233167966) internal successors, (3662), 2973 states have internal predecessors, (3662), 1278 states have call successors, (1278), 191 states have call predecessors, (1278), 192 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:05:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6220 transitions. [2022-11-20 12:05:52,804 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6220 transitions. Word has length 202 [2022-11-20 12:05:52,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:52,805 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6220 transitions. [2022-11-20 12:05:52,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:05:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6220 transitions. [2022-11-20 12:05:52,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-11-20 12:05:52,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:52,808 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:05:52,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:53,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:53,022 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:53,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:53,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1081870219, now seen corresponding path program 1 times [2022-11-20 12:05:53,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:53,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002596545] [2022-11-20 12:05:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:53,029 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 12:05:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:53,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:05:53,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (14)] Waiting until timeout for monitored process [2022-11-20 12:06:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:02,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 5108 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:06:02,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:06:09,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:06:09,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:09,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002596545] [2022-11-20 12:06:09,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2002596545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:06:09,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:06:09,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:06:09,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343022768] [2022-11-20 12:06:09,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:06:09,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:06:09,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:09,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:06:09,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:06:09,118 INFO L87 Difference]: Start difference. First operand 4293 states and 6220 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:09,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:09,382 INFO L93 Difference]: Finished difference Result 8540 states and 12447 transitions. [2022-11-20 12:06:09,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:06:09,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 203 [2022-11-20 12:06:09,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:09,409 INFO L225 Difference]: With dead ends: 8540 [2022-11-20 12:06:09,409 INFO L226 Difference]: Without dead ends: 4293 [2022-11-20 12:06:09,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 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 12:06:09,432 INFO L413 NwaCegarLoop]: 6192 mSDtfsCounter, 6054 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 6192 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:09,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 6192 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:06:09,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4293 states. [2022-11-20 12:06:09,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4293 to 4293. [2022-11-20 12:06:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4293 states, 2822 states have (on average 1.2973068745570517) internal successors, (3661), 2973 states have internal predecessors, (3661), 1278 states have call successors, (1278), 191 states have call predecessors, (1278), 192 states have return successors, (1280), 1217 states have call predecessors, (1280), 1278 states have call successors, (1280) [2022-11-20 12:06:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 4293 states and 6219 transitions. [2022-11-20 12:06:09,889 INFO L78 Accepts]: Start accepts. Automaton has 4293 states and 6219 transitions. Word has length 203 [2022-11-20 12:06:09,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:09,890 INFO L495 AbstractCegarLoop]: Abstraction has 4293 states and 6219 transitions. [2022-11-20 12:06:09,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 6219 transitions. [2022-11-20 12:06:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 12:06:09,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:09,893 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:06:09,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:10,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:10,107 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:10,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:10,107 INFO L85 PathProgramCache]: Analyzing trace with hash -436117665, now seen corresponding path program 1 times [2022-11-20 12:06:10,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:10,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511013392] [2022-11-20 12:06:10,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:10,110 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 12:06:10,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:10,113 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:10,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (15)] Waiting until timeout for monitored process [2022-11-20 12:06:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:19,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 5109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:06:19,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:06:25,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:06:25,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:25,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511013392] [2022-11-20 12:06:25,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511013392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:06:25,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:06:25,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:06:25,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11458132] [2022-11-20 12:06:25,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:06:25,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:06:25,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:25,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:06:25,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:06:25,698 INFO L87 Difference]: Start difference. First operand 4293 states and 6219 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:26,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:26,173 INFO L93 Difference]: Finished difference Result 8596 states and 12499 transitions. [2022-11-20 12:06:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:06:26,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 204 [2022-11-20 12:06:26,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:26,199 INFO L225 Difference]: With dead ends: 8596 [2022-11-20 12:06:26,199 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:06:26,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 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 12:06:26,219 INFO L413 NwaCegarLoop]: 6199 mSDtfsCounter, 5968 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5968 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:26,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5968 Valid, 6335 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:06:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:06:26,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:06:26,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2944055944055943) internal successors, (3702), 3011 states have internal predecessors, (3702), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:06:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6272 transitions. [2022-11-20 12:06:26,656 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6272 transitions. Word has length 204 [2022-11-20 12:06:26,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:26,657 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6272 transitions. [2022-11-20 12:06:26,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6272 transitions. [2022-11-20 12:06:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-20 12:06:26,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:26,660 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:06:26,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:26,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:26,887 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:26,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:26,887 INFO L85 PathProgramCache]: Analyzing trace with hash -134585209, now seen corresponding path program 1 times [2022-11-20 12:06:26,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:26,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1698815831] [2022-11-20 12:06:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:26,892 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 12:06:26,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:26,894 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:26,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (16)] Waiting until timeout for monitored process [2022-11-20 12:06:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:36,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 5110 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:06:36,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:06:42,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:06:42,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:42,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1698815831] [2022-11-20 12:06:42,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1698815831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:06:42,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:06:42,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:06:42,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719192954] [2022-11-20 12:06:42,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:06:42,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:06:42,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:42,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:06:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:06:42,897 INFO L87 Difference]: Start difference. First operand 4349 states and 6272 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:43,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:43,345 INFO L93 Difference]: Finished difference Result 8652 states and 12551 transitions. [2022-11-20 12:06:43,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:06:43,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 205 [2022-11-20 12:06:43,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:43,372 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:06:43,372 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:06:43,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 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 12:06:43,395 INFO L413 NwaCegarLoop]: 6190 mSDtfsCounter, 6050 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 6190 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:43,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 6190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:06:43,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:06:43,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:06:43,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.294055944055944) internal successors, (3701), 3011 states have internal predecessors, (3701), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:06:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6271 transitions. [2022-11-20 12:06:43,964 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6271 transitions. Word has length 205 [2022-11-20 12:06:43,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:43,965 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6271 transitions. [2022-11-20 12:06:43,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:06:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6271 transitions. [2022-11-20 12:06:43,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-20 12:06:43,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:43,968 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:06:44,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:44,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:44,169 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash 737502939, now seen corresponding path program 1 times [2022-11-20 12:06:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:44,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1890537953] [2022-11-20 12:06:44,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:44,173 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 12:06:44,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:44,174 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:06:44,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (17)] Waiting until timeout for monitored process [2022-11-20 12:06:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:53,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 5111 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:06:53,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:07:00,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:07:00,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:07:00,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1890537953] [2022-11-20 12:07:00,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1890537953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:07:00,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:07:00,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:07:00,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940849563] [2022-11-20 12:07:00,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:07:00,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:07:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:07:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:07:00,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:07:00,052 INFO L87 Difference]: Start difference. First operand 4349 states and 6271 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:07:00,503 INFO L93 Difference]: Finished difference Result 8652 states and 12549 transitions. [2022-11-20 12:07:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:07:00,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 206 [2022-11-20 12:07:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:07:00,526 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:07:00,527 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:07:00,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 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 12:07:00,547 INFO L413 NwaCegarLoop]: 6189 mSDtfsCounter, 6048 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6048 SdHoareTripleChecker+Valid, 6189 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:07:00,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6048 Valid, 6189 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:07:00,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:07:01,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:07:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2937062937062938) internal successors, (3700), 3011 states have internal predecessors, (3700), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:07:01,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6270 transitions. [2022-11-20 12:07:01,115 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6270 transitions. Word has length 206 [2022-11-20 12:07:01,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:07:01,116 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6270 transitions. [2022-11-20 12:07:01,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 2 states have internal predecessors, (102), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6270 transitions. [2022-11-20 12:07:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-20 12:07:01,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:07:01,119 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:07:01,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:01,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:01,335 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:07:01,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:01,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2116948355, now seen corresponding path program 1 times [2022-11-20 12:07:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:07:01,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [579553386] [2022-11-20 12:07:01,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:01,339 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 12:07:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:07:01,340 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (18)] Waiting until timeout for monitored process [2022-11-20 12:07:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:10,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 5112 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:07:10,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:07:17,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:07:17,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:07:17,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [579553386] [2022-11-20 12:07:17,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [579553386] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:07:17,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:07:17,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:07:17,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240725416] [2022-11-20 12:07:17,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:07:17,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:07:17,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:07:17,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:07:17,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:07:17,268 INFO L87 Difference]: Start difference. First operand 4349 states and 6270 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:17,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:07:17,717 INFO L93 Difference]: Finished difference Result 8652 states and 12547 transitions. [2022-11-20 12:07:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:07:17,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 207 [2022-11-20 12:07:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:07:17,738 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:07:17,738 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:07:17,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 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 12:07:17,753 INFO L413 NwaCegarLoop]: 6188 mSDtfsCounter, 6046 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 6188 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:07:17,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 6188 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:07:17,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:07:18,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:07:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2933566433566435) internal successors, (3699), 3011 states have internal predecessors, (3699), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:07:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6269 transitions. [2022-11-20 12:07:18,297 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6269 transitions. Word has length 207 [2022-11-20 12:07:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:07:18,297 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6269 transitions. [2022-11-20 12:07:18,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6269 transitions. [2022-11-20 12:07:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 12:07:18,300 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:07:18,300 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:07:18,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:18,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:18,522 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:07:18,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:18,523 INFO L85 PathProgramCache]: Analyzing trace with hash 2044599895, now seen corresponding path program 1 times [2022-11-20 12:07:18,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:07:18,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329423147] [2022-11-20 12:07:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:18,526 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 12:07:18,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:07:18,527 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:18,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (19)] Waiting until timeout for monitored process [2022-11-20 12:07:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:27,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 5113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:07:27,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:07:34,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:07:34,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:07:34,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329423147] [2022-11-20 12:07:34,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329423147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:07:34,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:07:34,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:07:34,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539942811] [2022-11-20 12:07:34,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:07:34,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:07:34,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:07:34,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:07:34,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:07:34,555 INFO L87 Difference]: Start difference. First operand 4349 states and 6269 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:07:35,035 INFO L93 Difference]: Finished difference Result 8652 states and 12545 transitions. [2022-11-20 12:07:35,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:07:35,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 208 [2022-11-20 12:07:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:07:35,050 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:07:35,050 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:07:35,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 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 12:07:35,063 INFO L413 NwaCegarLoop]: 6187 mSDtfsCounter, 6044 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6044 SdHoareTripleChecker+Valid, 6187 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:07:35,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6044 Valid, 6187 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:07:35,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:07:35,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:07:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.293006993006993) internal successors, (3698), 3011 states have internal predecessors, (3698), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:07:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6268 transitions. [2022-11-20 12:07:35,685 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6268 transitions. Word has length 208 [2022-11-20 12:07:35,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:07:35,685 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6268 transitions. [2022-11-20 12:07:35,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 2 states have internal predecessors, (104), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:35,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6268 transitions. [2022-11-20 12:07:35,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-20 12:07:35,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:07:35,688 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:07:35,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:35,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:35,899 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:07:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:35,899 INFO L85 PathProgramCache]: Analyzing trace with hash -83685761, now seen corresponding path program 1 times [2022-11-20 12:07:35,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:07:35,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195906145] [2022-11-20 12:07:35,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:35,903 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 12:07:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:07:35,904 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:35,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (20)] Waiting until timeout for monitored process [2022-11-20 12:07:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:45,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 5114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:07:45,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:52,077 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:07:52,077 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:07:52,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:07:52,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195906145] [2022-11-20 12:07:52,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195906145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:07:52,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:07:52,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:07:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248872749] [2022-11-20 12:07:52,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:07:52,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:07:52,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:07:52,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:07:52,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:07:52,081 INFO L87 Difference]: Start difference. First operand 4349 states and 6268 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:07:52,580 INFO L93 Difference]: Finished difference Result 8652 states and 12543 transitions. [2022-11-20 12:07:52,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:07:52,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 209 [2022-11-20 12:07:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:07:52,598 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:07:52,598 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:07:52,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 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 12:07:52,611 INFO L413 NwaCegarLoop]: 6186 mSDtfsCounter, 6042 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:07:52,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 6186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:07:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:07:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:07:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2926573426573427) internal successors, (3697), 3011 states have internal predecessors, (3697), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:07:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6267 transitions. [2022-11-20 12:07:53,316 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6267 transitions. Word has length 209 [2022-11-20 12:07:53,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:07:53,317 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6267 transitions. [2022-11-20 12:07:53,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:07:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6267 transitions. [2022-11-20 12:07:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-20 12:07:53,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:07:53,319 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:07:53,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:53,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:53,519 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:07:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:53,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1521515053, now seen corresponding path program 1 times [2022-11-20 12:07:53,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:07:53,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878857924] [2022-11-20 12:07:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:53,524 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 12:07:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:07:53,524 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:07:53,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (21)] Waiting until timeout for monitored process [2022-11-20 12:08:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:02,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 5115 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:08:02,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:08:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:08:09,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:08:09,688 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:09,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878857924] [2022-11-20 12:08:09,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878857924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:09,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:09,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:09,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30907590] [2022-11-20 12:08:09,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:09,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:09,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:09,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:09,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:09,690 INFO L87 Difference]: Start difference. First operand 4349 states and 6267 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:10,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:10,246 INFO L93 Difference]: Finished difference Result 8652 states and 12541 transitions. [2022-11-20 12:08:10,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:10,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 210 [2022-11-20 12:08:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:10,268 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:08:10,268 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:08:10,289 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 208 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 12:08:10,289 INFO L413 NwaCegarLoop]: 6185 mSDtfsCounter, 6040 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6040 SdHoareTripleChecker+Valid, 6185 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:10,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6040 Valid, 6185 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:10,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:08:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:08:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2923076923076924) internal successors, (3696), 3011 states have internal predecessors, (3696), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:08:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6266 transitions. [2022-11-20 12:08:10,893 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6266 transitions. Word has length 210 [2022-11-20 12:08:10,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:10,894 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6266 transitions. [2022-11-20 12:08:10,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:10,894 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6266 transitions. [2022-11-20 12:08:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-20 12:08:10,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:10,897 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:08:10,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:08:11,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:11,098 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1264933755, now seen corresponding path program 1 times [2022-11-20 12:08:11,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:08:11,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099744887] [2022-11-20 12:08:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:11,102 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 12:08:11,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:08:11,103 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:11,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (22)] Waiting until timeout for monitored process [2022-11-20 12:08:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:20,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:08:20,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:08:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:08:27,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:08:27,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:27,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099744887] [2022-11-20 12:08:27,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099744887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:27,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:27,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852149911] [2022-11-20 12:08:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:27,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:27,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:27,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:27,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:27,354 INFO L87 Difference]: Start difference. First operand 4349 states and 6266 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:27,992 INFO L93 Difference]: Finished difference Result 8652 states and 12539 transitions. [2022-11-20 12:08:27,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:27,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 211 [2022-11-20 12:08:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:28,017 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:08:28,017 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:08:28,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 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 12:08:28,036 INFO L413 NwaCegarLoop]: 6184 mSDtfsCounter, 6038 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6038 SdHoareTripleChecker+Valid, 6184 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:28,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6038 Valid, 6184 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:28,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:08:28,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:08:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2919580419580419) internal successors, (3695), 3011 states have internal predecessors, (3695), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:08:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6265 transitions. [2022-11-20 12:08:28,629 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6265 transitions. Word has length 211 [2022-11-20 12:08:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:28,630 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6265 transitions. [2022-11-20 12:08:28,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6265 transitions. [2022-11-20 12:08:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-20 12:08:28,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:28,632 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:08:28,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:08:28,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:28,833 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1860017487, now seen corresponding path program 1 times [2022-11-20 12:08:28,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:08:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444796071] [2022-11-20 12:08:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:28,837 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 12:08:28,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:08:28,838 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:28,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (23)] Waiting until timeout for monitored process [2022-11-20 12:08:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:38,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 5117 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:08:38,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:08:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:08:45,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:08:45,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:45,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444796071] [2022-11-20 12:08:45,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444796071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:45,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:45,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:08:45,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571989857] [2022-11-20 12:08:45,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:45,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:08:45,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:45,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:08:45,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:08:45,156 INFO L87 Difference]: Start difference. First operand 4349 states and 6265 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:45,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:45,779 INFO L93 Difference]: Finished difference Result 8652 states and 12537 transitions. [2022-11-20 12:08:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:08:45,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 212 [2022-11-20 12:08:45,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:45,797 INFO L225 Difference]: With dead ends: 8652 [2022-11-20 12:08:45,798 INFO L226 Difference]: Without dead ends: 4349 [2022-11-20 12:08:45,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 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 12:08:45,811 INFO L413 NwaCegarLoop]: 6183 mSDtfsCounter, 6036 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6036 SdHoareTripleChecker+Valid, 6183 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:45,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6036 Valid, 6183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:08:45,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-11-20 12:08:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 4349. [2022-11-20 12:08:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 2860 states have (on average 1.2916083916083916) internal successors, (3694), 3011 states have internal predecessors, (3694), 1284 states have call successors, (1284), 203 states have call predecessors, (1284), 204 states have return successors, (1286), 1223 states have call predecessors, (1286), 1284 states have call successors, (1286) [2022-11-20 12:08:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 6264 transitions. [2022-11-20 12:08:46,389 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 6264 transitions. Word has length 212 [2022-11-20 12:08:46,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:46,389 INFO L495 AbstractCegarLoop]: Abstraction has 4349 states and 6264 transitions. [2022-11-20 12:08:46,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:46,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 6264 transitions. [2022-11-20 12:08:46,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-11-20 12:08:46,392 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:08:46,392 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:08:46,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:08:46,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:46,610 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:08:46,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:08:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1888646638, now seen corresponding path program 1 times [2022-11-20 12:08:46,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:08:46,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1153997461] [2022-11-20 12:08:46,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:08:46,614 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 12:08:46,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:08:46,615 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:46,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (24)] Waiting until timeout for monitored process [2022-11-20 12:08:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:56,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 5117 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:08:56,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:08:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-20 12:08:56,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:08:56,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:56,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1153997461] [2022-11-20 12:08:56,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1153997461] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:08:56,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:08:56,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:08:56,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856591860] [2022-11-20 12:08:56,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:56,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:08:56,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:56,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:08:56,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:08:56,645 INFO L87 Difference]: Start difference. First operand 4349 states and 6264 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:57,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:08:57,331 INFO L93 Difference]: Finished difference Result 4351 states and 6269 transitions. [2022-11-20 12:08:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:08:57,332 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 212 [2022-11-20 12:08:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:08:57,333 INFO L225 Difference]: With dead ends: 4351 [2022-11-20 12:08:57,333 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:08:57,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:08:57,342 INFO L413 NwaCegarLoop]: 6185 mSDtfsCounter, 3 mSDsluCounter, 18549 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 24734 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:08:57,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 24734 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:08:57,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:08:57,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:08:57,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:08:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:08:57,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2022-11-20 12:08:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:08:57,345 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:08:57,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 12:08:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:08:57,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:08:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:08:57,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 (24)] Ended with exit code 0 [2022-11-20 12:08:57,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd29227e-cdf2-4ac2-957d-3e79f4d4fb31/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 12:08:57,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.