./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- 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 12:17:44,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:17:44,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:17:44,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:17:44,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:17:44,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:17:44,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:17:44,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:17:44,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:17:44,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:17:44,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:17:44,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:17:44,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:17:44,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:17:44,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:17:44,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:17:44,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:17:44,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:17:44,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:17:44,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:17:44,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:17:44,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:17:44,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:17:44,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:17:44,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:17:44,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:17:44,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:17:44,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:17:44,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:17:44,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:17:44,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:17:44,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:17:44,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:17:44,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:17:44,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:17:44,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:17:44,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:17:44,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:17:44,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:17:44,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:17:44,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:17:44,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:17:44,357 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:17:44,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:17:44,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:17:44,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:17:44,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:17:44,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:17:44,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:17:44,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:17:44,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:17:44,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:17:44,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:17:44,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:17:44,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:17:44,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:17:44,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:17:44,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:17:44,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:17:44,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:17:44,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:17:44,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:17:44,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:17:44,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:17:44,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:17:44,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:17:44,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:17:44,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:17:44,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:17:44,372 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:17:44,372 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:17:44,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:17:44,373 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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2022-11-20 12:17:44,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:17:44,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:17:44,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:17:44,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:17:44,738 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:17:44,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-11-20 12:17:47,869 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:17:48,533 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:17:48,534 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-11-20 12:17:48,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/d30af06a1/ef91e3ae6b314f1fadbf289e42d5c3a9/FLAG436f8bf49 [2022-11-20 12:17:48,606 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/d30af06a1/ef91e3ae6b314f1fadbf289e42d5c3a9 [2022-11-20 12:17:48,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:17:48,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:17:48,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:17:48,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:17:48,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:17:48,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:48" (1/1) ... [2022-11-20 12:17:48,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c814a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:48, skipping insertion in model container [2022-11-20 12:17:48,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:48" (1/1) ... [2022-11-20 12:17:48,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:17:48,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:17:50,941 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.abstractShiftLeft(BitabsTranslation.java:148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 12:17:50,947 INFO L158 Benchmark]: Toolchain (without parser) took 2331.67ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 72.5MB in the end (delta: 56.7MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-11-20 12:17:50,948 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.2MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:17:50,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2328.16ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 72.5MB in the end (delta: 56.7MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-11-20 12:17:50,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.2MB in the end (delta: 153.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2328.16ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 72.5MB in the end (delta: 56.7MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 --- 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 12:17:53,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:17:53,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:17:53,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:17:53,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:17:53,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:17:53,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:17:53,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:17:53,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:17:53,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:17:53,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:17:53,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:17:53,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:17:53,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:17:53,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:17:53,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:17:53,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:17:53,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:17:53,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:17:53,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:17:53,488 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:17:53,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:17:53,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:17:53,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:17:53,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:17:53,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:17:53,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:17:53,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:17:53,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:17:53,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:17:53,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:17:53,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:17:53,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:17:53,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:17:53,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:17:53,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:17:53,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:17:53,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:17:53,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:17:53,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:17:53,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:17:53,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:17:53,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:17:53,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:17:53,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:17:53,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:17:53,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:17:53,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:17:53,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:17:53,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:17:53,570 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:17:53,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:17:53,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:17:53,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:17:53,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:17:53,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:17:53,572 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:17:53,572 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:17:53,573 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:17:53,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:17:53,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:17:53,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:17:53,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:17:53,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:17:53,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:17:53,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:17:53,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:17:53,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:17:53,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:17:53,576 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:17:53,576 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:17:53,576 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:17:53,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:17:53,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:17:53,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:17:53,577 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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0d7108b14cf7ade4256acdb7ea5c36ccda70628af318ac7331527caf0f1ef8 [2022-11-20 12:17:53,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:17:54,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:17:54,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:17:54,013 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:17:54,014 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:17:54,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-11-20 12:17:57,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:17:57,991 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:17:57,992 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-11-20 12:17:58,042 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/4cbbe8118/980a0208bbf447feb21afc4ab21442ad/FLAG6ad9570d8 [2022-11-20 12:17:58,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/data/4cbbe8118/980a0208bbf447feb21afc4ab21442ad [2022-11-20 12:17:58,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:17:58,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:17:58,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:17:58,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:17:58,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:17:58,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:58" (1/1) ... [2022-11-20 12:17:58,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1762334a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:17:58, skipping insertion in model container [2022-11-20 12:17:58,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:17:58" (1/1) ... [2022-11-20 12:17:58,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:17:58,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:18:00,875 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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2022-11-20 12:18:01,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:01,094 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:18:01,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:18:01,700 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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2022-11-20 12:18:01,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:01,786 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:18:02,216 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_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i[329752,329765] [2022-11-20 12:18:02,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:18:02,379 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:18:02,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02 WrapperNode [2022-11-20 12:18:02,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:18:02,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:02,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:18:02,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:18:02,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:02,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:02,828 INFO L138 Inliner]: procedures = 398, calls = 3776, calls flagged for inlining = 115, calls inlined = 109, statements flattened = 6513 [2022-11-20 12:18:02,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:18:02,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:18:02,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:18:02,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:18:02,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:02,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:02,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:02,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:18:03,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:18:03,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:18:03,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:18:03,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (1/1) ... [2022-11-20 12:18:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:18:03,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:18:03,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:18:03,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:18:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 12:18:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 12:18:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-11-20 12:18:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-11-20 12:18:03,513 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-20 12:18:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-20 12:18:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-11-20 12:18:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-11-20 12:18:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 12:18:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 12:18:03,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:18:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:18:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-11-20 12:18:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-11-20 12:18:03,515 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-11-20 12:18:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-11-20 12:18:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-11-20 12:18:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-11-20 12:18:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-11-20 12:18:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-11-20 12:18:03,516 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-11-20 12:18:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-11-20 12:18:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 12:18:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 12:18:03,517 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-11-20 12:18:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-11-20 12:18:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-11-20 12:18:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-11-20 12:18:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-11-20 12:18:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-11-20 12:18:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-11-20 12:18:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-11-20 12:18:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-11-20 12:18:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-11-20 12:18:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-11-20 12:18:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-11-20 12:18:03,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_SHORT~TO~C_INT [2022-11-20 12:18:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_SHORT~TO~C_INT [2022-11-20 12:18:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:18:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:18:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-11-20 12:18:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-11-20 12:18:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-11-20 12:18:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-11-20 12:18:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-11-20 12:18:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-11-20 12:18:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-11-20 12:18:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cached_activate_gru_mq_desc_mutex_of_xpc_partition_uv [2022-11-20 12:18:03,523 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-11-20 12:18:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-11-20 12:18:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_ULONG [2022-11-20 12:18:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_ULONG [2022-11-20 12:18:03,524 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-20 12:18:03,525 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:18:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:18:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-11-20 12:18:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-11-20 12:18:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-20 12:18:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-20 12:18:03,526 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-11-20 12:18:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-11-20 12:18:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:18:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-11-20 12:18:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-11-20 12:18:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-11-20 12:18:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-11-20 12:18:03,527 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-11-20 12:18:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-11-20 12:18:03,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:18:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:18:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:18:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:18:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 12:18:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 12:18:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 12:18:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 12:18:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-11-20 12:18:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-11-20 12:18:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-20 12:18:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-20 12:18:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-11-20 12:18:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-11-20 12:18:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-11-20 12:18:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-11-20 12:18:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-11-20 12:18:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-11-20 12:18:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:18:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:18:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-11-20 12:18:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-11-20 12:18:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 12:18:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 12:18:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:18:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:18:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-11-20 12:18:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-11-20 12:18:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~X~C_ULONG~X~C_ULONG~TO~C_INT [2022-11-20 12:18:03,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~X~C_ULONG~X~C_ULONG~TO~C_INT [2022-11-20 12:18:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_SHORT~TO~VOID [2022-11-20 12:18:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_SHORT~TO~VOID [2022-11-20 12:18:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~X~C_ULONG~TO~C_INT [2022-11-20 12:18:03,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~X~C_ULONG~TO~C_INT [2022-11-20 12:18:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:18:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:18:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-11-20 12:18:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-11-20 12:18:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-11-20 12:18:03,537 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-11-20 12:18:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-11-20 12:18:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-11-20 12:18:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-11-20 12:18:03,539 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-11-20 12:18:03,542 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-11-20 12:18:03,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-11-20 12:18:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-11-20 12:18:03,543 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-11-20 12:18:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-11-20 12:18:03,544 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-11-20 12:18:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-20 12:18:03,546 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-20 12:18:03,546 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-11-20 12:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-11-20 12:18:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-11-20 12:18:03,552 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-11-20 12:18:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2022-11-20 12:18:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_xpc_registration [2022-11-20 12:18:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-11-20 12:18:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-11-20 12:18:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:18:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-11-20 12:18:03,553 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-11-20 12:18:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-11-20 12:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-11-20 12:18:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-20 12:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-20 12:18:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-20 12:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-20 12:18:03,554 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-11-20 12:18:03,554 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-11-20 12:18:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-11-20 12:18:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-11-20 12:18:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:18:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-11-20 12:18:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-11-20 12:18:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-20 12:18:03,555 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-20 12:18:03,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:18:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:18:03,556 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-11-20 12:18:03,556 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-11-20 12:18:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 12:18:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 12:18:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:18:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 12:18:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 12:18:03,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:18:03,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:18:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-11-20 12:18:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-11-20 12:18:03,558 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 12:18:03,558 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-11-20 12:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-11-20 12:18:03,559 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-11-20 12:18:03,559 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-11-20 12:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-11-20 12:18:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-11-20 12:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-11-20 12:18:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:18:03,560 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-11-20 12:18:03,560 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-11-20 12:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:18:03,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-11-20 12:18:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-11-20 12:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-11-20 12:18:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-11-20 12:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-11-20 12:18:03,562 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-11-20 12:18:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 12:18:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 12:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-20 12:18:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-20 12:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-11-20 12:18:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-11-20 12:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 12:18:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-11-20 12:18:03,563 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-11-20 12:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-11-20 12:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-11-20 12:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-11-20 12:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-11-20 12:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 12:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 12:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-11-20 12:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-11-20 12:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-11-20 12:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-11-20 12:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-11-20 12:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-11-20 12:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 12:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 12:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-20 12:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-20 12:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 12:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 12:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-11-20 12:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-11-20 12:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-20 12:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-20 12:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-11-20 12:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-11-20 12:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-11-20 12:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-11-20 12:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-11-20 12:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-11-20 12:18:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:18:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-11-20 12:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-11-20 12:18:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 12:18:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 12:18:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-11-20 12:18:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-11-20 12:18:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-11-20 12:18:03,569 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-11-20 12:18:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 12:18:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 12:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:18:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:18:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:18:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-11-20 12:18:03,575 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-11-20 12:18:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:18:03,575 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-11-20 12:18:03,576 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-11-20 12:18:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-11-20 12:18:03,577 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-11-20 12:18:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 12:18:03,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 12:18:03,577 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 12:18:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 12:18:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-20 12:18:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-20 12:18:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~C_INT [2022-11-20 12:18:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~C_INT [2022-11-20 12:18:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-11-20 12:18:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-11-20 12:18:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-11-20 12:18:03,578 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-11-20 12:18:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-11-20 12:18:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-11-20 12:18:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-11-20 12:18:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-11-20 12:18:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-11-20 12:18:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-11-20 12:18:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-11-20 12:18:03,579 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-11-20 12:18:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 12:18:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 12:18:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-11-20 12:18:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-11-20 12:18:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-11-20 12:18:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-11-20 12:18:03,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:18:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:18:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-11-20 12:18:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-11-20 12:18:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-20 12:18:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-20 12:18:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:18:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:18:03,581 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-11-20 12:18:03,581 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:18:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:18:03,582 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-11-20 12:18:03,582 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-11-20 12:18:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-11-20 12:18:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-11-20 12:18:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-11-20 12:18:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-11-20 12:18:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-11-20 12:18:03,583 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-11-20 12:18:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-11-20 12:18:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-11-20 12:18:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-20 12:18:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-20 12:18:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 12:18:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 12:18:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-11-20 12:18:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-11-20 12:18:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-11-20 12:18:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-11-20 12:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-11-20 12:18:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-11-20 12:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-20 12:18:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-20 12:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 12:18:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 12:18:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 12:18:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 12:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-11-20 12:18:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-11-20 12:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 12:18:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 12:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_SHORT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-20 12:18:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_SHORT~X~C_INT~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-20 12:18:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-11-20 12:18:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-11-20 12:18:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-11-20 12:18:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-11-20 12:18:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 12:18:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 12:18:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-11-20 12:18:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-11-20 12:18:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-11-20 12:18:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-11-20 12:18:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 12:18:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 12:18:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-20 12:18:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-20 12:18:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-11-20 12:18:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-11-20 12:18:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:18:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:18:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-20 12:18:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-20 12:18:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-20 12:18:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-20 12:18:04,810 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:18:04,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:19:11,905 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:19:11,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:19:11,926 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:19:11,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:19:11 BoogieIcfgContainer [2022-11-20 12:19:11,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:19:11,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:19:11,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:19:11,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:19:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:17:58" (1/3) ... [2022-11-20 12:19:11,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a119ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:19:11, skipping insertion in model container [2022-11-20 12:19:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:02" (2/3) ... [2022-11-20 12:19:11,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a119ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:19:11, skipping insertion in model container [2022-11-20 12:19:11,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:19:11" (3/3) ... [2022-11-20 12:19:11,941 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--sgi-xp--xpc.ko-main.cil.out.i [2022-11-20 12:19:11,964 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:19:11,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:19:12,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:19:12,082 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;@1cb87157, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:19:12,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:19:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 2720 states, 1846 states have (on average 1.3699891657638137) internal successors, (2529), 1947 states have internal predecessors, (2529), 716 states have call successors, (716), 156 states have call predecessors, (716), 156 states have return successors, (716), 684 states have call predecessors, (716), 716 states have call successors, (716) [2022-11-20 12:19:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 12:19:12,124 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:12,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:12,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:12,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:12,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1052280664, now seen corresponding path program 1 times [2022-11-20 12:19:12,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:12,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332902031] [2022-11-20 12:19:12,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:12,160 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 12:19:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:12,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:12,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:15,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2794 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:15,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:15,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:15,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:15,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:15,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332902031] [2022-11-20 12:19:15,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332902031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:15,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:15,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369834749] [2022-11-20 12:19:15,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:15,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:15,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:15,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:15,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:15,524 INFO L87 Difference]: Start difference. First operand has 2720 states, 1846 states have (on average 1.3699891657638137) internal successors, (2529), 1947 states have internal predecessors, (2529), 716 states have call successors, (716), 156 states have call predecessors, (716), 156 states have return successors, (716), 684 states have call predecessors, (716), 716 states have call successors, (716) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:19:17,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:17,555 INFO L93 Difference]: Finished difference Result 7795 states and 11609 transitions. [2022-11-20 12:19:17,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 12:19:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:17,628 INFO L225 Difference]: With dead ends: 7795 [2022-11-20 12:19:17,628 INFO L226 Difference]: Without dead ends: 5054 [2022-11-20 12:19:17,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:17,670 INFO L413 NwaCegarLoop]: 5241 mSDtfsCounter, 3348 mSDsluCounter, 3697 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 8938 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:17,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 8938 Invalid, 251 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 12:19:17,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5054 states. [2022-11-20 12:19:18,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5054 to 5036. [2022-11-20 12:19:18,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5036 states, 3400 states have (on average 1.349705882352941) internal successors, (4589), 3589 states have internal predecessors, (4589), 1328 states have call successors, (1328), 308 states have call predecessors, (1328), 307 states have return successors, (1319), 1254 states have call predecessors, (1319), 1319 states have call successors, (1319) [2022-11-20 12:19:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5036 states to 5036 states and 7236 transitions. [2022-11-20 12:19:18,124 INFO L78 Accepts]: Start accepts. Automaton has 5036 states and 7236 transitions. Word has length 20 [2022-11-20 12:19:18,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:18,125 INFO L495 AbstractCegarLoop]: Abstraction has 5036 states and 7236 transitions. [2022-11-20 12:19:18,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (5), 1 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:19:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5036 states and 7236 transitions. [2022-11-20 12:19:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:19:18,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:18,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:18,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:18,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:18,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:18,330 INFO L85 PathProgramCache]: Analyzing trace with hash -444187920, now seen corresponding path program 1 times [2022-11-20 12:19:18,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:18,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [546808554] [2022-11-20 12:19:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:18,336 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 12:19:18,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:18,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:18,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:21,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:21,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:21,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:21,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:21,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [546808554] [2022-11-20 12:19:21,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [546808554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:21,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:21,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:21,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441007569] [2022-11-20 12:19:21,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:21,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:21,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:21,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:21,584 INFO L87 Difference]: Start difference. First operand 5036 states and 7236 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:22,543 INFO L93 Difference]: Finished difference Result 5176 states and 7378 transitions. [2022-11-20 12:19:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:22,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-20 12:19:22,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:22,586 INFO L225 Difference]: With dead ends: 5176 [2022-11-20 12:19:22,586 INFO L226 Difference]: Without dead ends: 5172 [2022-11-20 12:19:22,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:22,594 INFO L413 NwaCegarLoop]: 3962 mSDtfsCounter, 3839 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3839 SdHoareTripleChecker+Valid, 4093 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:22,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3839 Valid, 4093 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:19:22,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5172 states. [2022-11-20 12:19:22,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5172 to 5170. [2022-11-20 12:19:22,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5170 states, 3500 states have (on average 1.3434285714285714) internal successors, (4702), 3687 states have internal predecessors, (4702), 1338 states have call successors, (1338), 332 states have call predecessors, (1338), 331 states have return successors, (1331), 1266 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-11-20 12:19:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5170 states to 5170 states and 7371 transitions. [2022-11-20 12:19:22,979 INFO L78 Accepts]: Start accepts. Automaton has 5170 states and 7371 transitions. Word has length 24 [2022-11-20 12:19:22,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:22,980 INFO L495 AbstractCegarLoop]: Abstraction has 5170 states and 7371 transitions. [2022-11-20 12:19:22,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 5170 states and 7371 transitions. [2022-11-20 12:19:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 12:19:22,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:22,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:23,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:23,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:23,205 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:23,205 INFO L85 PathProgramCache]: Analyzing trace with hash -886279904, now seen corresponding path program 1 times [2022-11-20 12:19:23,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:23,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1532499195] [2022-11-20 12:19:23,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:23,209 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 12:19:23,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:23,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:23,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:26,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:26,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:26,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:26,624 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:26,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1532499195] [2022-11-20 12:19:26,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1532499195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:26,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:26,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:26,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140346498] [2022-11-20 12:19:26,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:26,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:26,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:26,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:26,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:26,626 INFO L87 Difference]: Start difference. First operand 5170 states and 7371 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:27,436 INFO L93 Difference]: Finished difference Result 5172 states and 7372 transitions. [2022-11-20 12:19:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:27,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-20 12:19:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:27,466 INFO L225 Difference]: With dead ends: 5172 [2022-11-20 12:19:27,466 INFO L226 Difference]: Without dead ends: 5169 [2022-11-20 12:19:27,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:27,473 INFO L413 NwaCegarLoop]: 3921 mSDtfsCounter, 3900 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3900 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:27,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3900 Valid, 3921 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:19:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2022-11-20 12:19:27,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 5169. [2022-11-20 12:19:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5169 states, 3500 states have (on average 1.3431428571428572) internal successors, (4701), 3686 states have internal predecessors, (4701), 1337 states have call successors, (1337), 332 states have call predecessors, (1337), 331 states have return successors, (1331), 1266 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-11-20 12:19:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 7369 transitions. [2022-11-20 12:19:27,880 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 7369 transitions. Word has length 25 [2022-11-20 12:19:27,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:27,881 INFO L495 AbstractCegarLoop]: Abstraction has 5169 states and 7369 transitions. [2022-11-20 12:19:27,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 7369 transitions. [2022-11-20 12:19:27,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 12:19:27,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:27,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:27,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:28,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:28,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:28,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:28,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1706224653, now seen corresponding path program 1 times [2022-11-20 12:19:28,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:28,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390910232] [2022-11-20 12:19:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:28,111 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 12:19:28,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:28,136 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:30,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:30,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:31,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:31,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:31,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390910232] [2022-11-20 12:19:31,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390910232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:31,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:31,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:31,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292079609] [2022-11-20 12:19:31,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:31,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:31,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:31,174 INFO L87 Difference]: Start difference. First operand 5169 states and 7369 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:31,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:31,945 INFO L93 Difference]: Finished difference Result 5171 states and 7370 transitions. [2022-11-20 12:19:31,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:31,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-20 12:19:31,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:31,974 INFO L225 Difference]: With dead ends: 5171 [2022-11-20 12:19:31,974 INFO L226 Difference]: Without dead ends: 5168 [2022-11-20 12:19:31,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:31,981 INFO L413 NwaCegarLoop]: 3919 mSDtfsCounter, 3897 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3897 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:31,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3897 Valid, 3919 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:19:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-11-20 12:19:32,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 5168. [2022-11-20 12:19:32,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5168 states, 3500 states have (on average 1.3428571428571427) internal successors, (4700), 3685 states have internal predecessors, (4700), 1336 states have call successors, (1336), 332 states have call predecessors, (1336), 331 states have return successors, (1331), 1266 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-11-20 12:19:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5168 states to 5168 states and 7367 transitions. [2022-11-20 12:19:32,510 INFO L78 Accepts]: Start accepts. Automaton has 5168 states and 7367 transitions. Word has length 26 [2022-11-20 12:19:32,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:32,511 INFO L495 AbstractCegarLoop]: Abstraction has 5168 states and 7367 transitions. [2022-11-20 12:19:32,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5168 states and 7367 transitions. [2022-11-20 12:19:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 12:19:32,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:32,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:32,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:32,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:32,735 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:32,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:32,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1354703229, now seen corresponding path program 1 times [2022-11-20 12:19:32,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:32,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638185574] [2022-11-20 12:19:32,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:32,739 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 12:19:32,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:32,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:32,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:35,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2574 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:35,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:35,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:35,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:35,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638185574] [2022-11-20 12:19:35,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638185574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:35,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:35,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:35,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626043606] [2022-11-20 12:19:35,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:35,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:35,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:35,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:35,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:35,945 INFO L87 Difference]: Start difference. First operand 5168 states and 7367 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:36,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:36,783 INFO L93 Difference]: Finished difference Result 5170 states and 7368 transitions. [2022-11-20 12:19:36,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:36,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-11-20 12:19:36,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:36,825 INFO L225 Difference]: With dead ends: 5170 [2022-11-20 12:19:36,825 INFO L226 Difference]: Without dead ends: 5167 [2022-11-20 12:19:36,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:36,829 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 3894 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3894 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:36,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3894 Valid, 3917 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:19:36,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2022-11-20 12:19:37,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 5167. [2022-11-20 12:19:37,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5167 states, 3500 states have (on average 1.3425714285714285) internal successors, (4699), 3684 states have internal predecessors, (4699), 1335 states have call successors, (1335), 332 states have call predecessors, (1335), 331 states have return successors, (1331), 1266 states have call predecessors, (1331), 1331 states have call successors, (1331) [2022-11-20 12:19:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 5167 states and 7365 transitions. [2022-11-20 12:19:37,300 INFO L78 Accepts]: Start accepts. Automaton has 5167 states and 7365 transitions. Word has length 27 [2022-11-20 12:19:37,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:37,301 INFO L495 AbstractCegarLoop]: Abstraction has 5167 states and 7365 transitions. [2022-11-20 12:19:37,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5167 states and 7365 transitions. [2022-11-20 12:19:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 12:19:37,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:37,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:37,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:37,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:37,523 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:37,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:37,523 INFO L85 PathProgramCache]: Analyzing trace with hash 952531190, now seen corresponding path program 1 times [2022-11-20 12:19:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:37,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068996032] [2022-11-20 12:19:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:37,526 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 12:19:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:37,527 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:40,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 2575 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:40,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:40,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:40,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068996032] [2022-11-20 12:19:40,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068996032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:40,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:40,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:40,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176617799] [2022-11-20 12:19:40,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:40,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:40,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:40,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:40,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:40,470 INFO L87 Difference]: Start difference. First operand 5167 states and 7365 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:41,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:41,893 INFO L93 Difference]: Finished difference Result 15453 states and 22211 transitions. [2022-11-20 12:19:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:41,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-20 12:19:41,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:41,955 INFO L225 Difference]: With dead ends: 15453 [2022-11-20 12:19:41,955 INFO L226 Difference]: Without dead ends: 10282 [2022-11-20 12:19:41,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:41,992 INFO L413 NwaCegarLoop]: 4782 mSDtfsCounter, 3908 mSDsluCounter, 3901 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3908 SdHoareTripleChecker+Valid, 8683 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:41,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3908 Valid, 8683 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:19:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10282 states. [2022-11-20 12:19:43,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10282 to 10269. [2022-11-20 12:19:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10269 states, 6962 states have (on average 1.343292157426027) internal successors, (9352), 7331 states have internal predecessors, (9352), 2646 states have call successors, (2646), 662 states have call predecessors, (2646), 660 states have return successors, (2726), 2507 states have call predecessors, (2726), 2636 states have call successors, (2726) [2022-11-20 12:19:43,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10269 states to 10269 states and 14724 transitions. [2022-11-20 12:19:43,333 INFO L78 Accepts]: Start accepts. Automaton has 10269 states and 14724 transitions. Word has length 28 [2022-11-20 12:19:43,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:43,335 INFO L495 AbstractCegarLoop]: Abstraction has 10269 states and 14724 transitions. [2022-11-20 12:19:43,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:19:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 10269 states and 14724 transitions. [2022-11-20 12:19:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 12:19:43,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:43,357 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:43,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:43,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:43,572 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1192167519, now seen corresponding path program 1 times [2022-11-20 12:19:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:43,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315553117] [2022-11-20 12:19:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:43,575 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 12:19:43,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:43,576 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:43,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:46,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 2907 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:19:46,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:46,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:46,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:46,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315553117] [2022-11-20 12:19:46,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315553117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:46,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:46,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:19:46,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637237933] [2022-11-20 12:19:46,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:46,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:19:46,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:46,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:19:46,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:19:46,449 INFO L87 Difference]: Start difference. First operand 10269 states and 14724 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:19:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:48,045 INFO L93 Difference]: Finished difference Result 20560 states and 29479 transitions. [2022-11-20 12:19:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:19:48,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 62 [2022-11-20 12:19:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:48,102 INFO L225 Difference]: With dead ends: 20560 [2022-11-20 12:19:48,102 INFO L226 Difference]: Without dead ends: 10286 [2022-11-20 12:19:48,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:19:48,150 INFO L413 NwaCegarLoop]: 3923 mSDtfsCounter, 28 mSDsluCounter, 11726 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 15649 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:48,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 15649 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:19:48,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10286 states. [2022-11-20 12:19:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10286 to 10273. [2022-11-20 12:19:49,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10273 states, 6966 states have (on average 1.342807924203273) internal successors, (9354), 7335 states have internal predecessors, (9354), 2646 states have call successors, (2646), 662 states have call predecessors, (2646), 660 states have return successors, (2726), 2507 states have call predecessors, (2726), 2636 states have call successors, (2726) [2022-11-20 12:19:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10273 states to 10273 states and 14726 transitions. [2022-11-20 12:19:49,361 INFO L78 Accepts]: Start accepts. Automaton has 10273 states and 14726 transitions. Word has length 62 [2022-11-20 12:19:49,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:49,362 INFO L495 AbstractCegarLoop]: Abstraction has 10273 states and 14726 transitions. [2022-11-20 12:19:49,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:19:49,362 INFO L276 IsEmpty]: Start isEmpty. Operand 10273 states and 14726 transitions. [2022-11-20 12:19:49,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 12:19:49,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:49,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:19:49,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:19:49,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:49,584 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:49,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 849198691, now seen corresponding path program 1 times [2022-11-20 12:19:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:49,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455207634] [2022-11-20 12:19:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:49,588 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 12:19:49,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:49,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:49,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:19:52,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 2753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:19:52,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:19:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:19:52,415 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:19:52,415 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:19:52,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455207634] [2022-11-20 12:19:52,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455207634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:19:52,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:19:52,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:19:52,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162693743] [2022-11-20 12:19:52,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:19:52,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:19:52,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:19:52,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:19:52,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:52,418 INFO L87 Difference]: Start difference. First operand 10273 states and 14726 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:19:54,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:19:54,185 INFO L93 Difference]: Finished difference Result 30557 states and 43776 transitions. [2022-11-20 12:19:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:19:54,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 67 [2022-11-20 12:19:54,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:19:54,291 INFO L225 Difference]: With dead ends: 30557 [2022-11-20 12:19:54,291 INFO L226 Difference]: Without dead ends: 20287 [2022-11-20 12:19:54,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:19:54,332 INFO L413 NwaCegarLoop]: 6309 mSDtfsCounter, 3810 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:19:54,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 10218 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:19:54,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20287 states. [2022-11-20 12:19:56,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20287 to 20261. [2022-11-20 12:19:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20261 states, 13696 states have (on average 1.34053738317757) internal successors, (18360), 14419 states have internal predecessors, (18360), 5248 states have call successors, (5248), 1318 states have call predecessors, (5248), 1316 states have return successors, (5416), 4975 states have call predecessors, (5416), 5236 states have call successors, (5416) [2022-11-20 12:19:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20261 states to 20261 states and 29024 transitions. [2022-11-20 12:19:56,817 INFO L78 Accepts]: Start accepts. Automaton has 20261 states and 29024 transitions. Word has length 67 [2022-11-20 12:19:56,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:19:56,817 INFO L495 AbstractCegarLoop]: Abstraction has 20261 states and 29024 transitions. [2022-11-20 12:19:56,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 12:19:56,818 INFO L276 IsEmpty]: Start isEmpty. Operand 20261 states and 29024 transitions. [2022-11-20 12:19:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 12:19:56,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:19:56,826 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:19:56,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:57,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:57,043 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:19:57,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:19:57,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1204557544, now seen corresponding path program 1 times [2022-11-20 12:19:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:19:57,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1672515085] [2022-11-20 12:19:57,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:19:57,048 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 12:19:57,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:19:57,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:19:57,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:00,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:20:00,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:01,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:01,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:01,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1672515085] [2022-11-20 12:20:01,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1672515085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:01,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:01,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:20:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178403333] [2022-11-20 12:20:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:01,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:20:01,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:01,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:20:01,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:01,040 INFO L87 Difference]: Start difference. First operand 20261 states and 29024 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:02,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:02,601 INFO L93 Difference]: Finished difference Result 43131 states and 62365 transitions. [2022-11-20 12:20:02,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:20:02,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2022-11-20 12:20:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:02,710 INFO L225 Difference]: With dead ends: 43131 [2022-11-20 12:20:02,710 INFO L226 Difference]: Without dead ends: 22873 [2022-11-20 12:20:02,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:02,784 INFO L413 NwaCegarLoop]: 4093 mSDtfsCounter, 582 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 7998 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:02,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 7998 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:20:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22873 states. [2022-11-20 12:20:05,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22873 to 20277. [2022-11-20 12:20:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20277 states, 13712 states have (on average 1.3407234539089847) internal successors, (18384), 14435 states have internal predecessors, (18384), 5248 states have call successors, (5248), 1318 states have call predecessors, (5248), 1316 states have return successors, (5416), 4975 states have call predecessors, (5416), 5236 states have call successors, (5416) [2022-11-20 12:20:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20277 states to 20277 states and 29048 transitions. [2022-11-20 12:20:05,198 INFO L78 Accepts]: Start accepts. Automaton has 20277 states and 29048 transitions. Word has length 71 [2022-11-20 12:20:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:05,199 INFO L495 AbstractCegarLoop]: Abstraction has 20277 states and 29048 transitions. [2022-11-20 12:20:05,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20277 states and 29048 transitions. [2022-11-20 12:20:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 12:20:05,207 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:05,207 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:20:05,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:05,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:05,427 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:05,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:05,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1220076262, now seen corresponding path program 1 times [2022-11-20 12:20:05,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:05,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1842192020] [2022-11-20 12:20:05,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:05,431 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 12:20:05,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:05,433 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:05,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:09,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:20:09,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:20:09,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:09,257 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:09,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1842192020] [2022-11-20 12:20:09,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1842192020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:09,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:09,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:20:09,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019776543] [2022-11-20 12:20:09,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:09,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:20:09,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:09,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:20:09,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:20:09,260 INFO L87 Difference]: Start difference. First operand 20277 states and 29048 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:11,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:20:13,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:20:16,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:16,714 INFO L93 Difference]: Finished difference Result 46619 states and 68189 transitions. [2022-11-20 12:20:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:20:16,715 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2022-11-20 12:20:16,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:16,838 INFO L225 Difference]: With dead ends: 46619 [2022-11-20 12:20:16,838 INFO L226 Difference]: Without dead ends: 26345 [2022-11-20 12:20:16,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:20:16,910 INFO L413 NwaCegarLoop]: 5276 mSDtfsCounter, 2264 mSDsluCounter, 13754 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 535 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 19030 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:16,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 19030 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-11-20 12:20:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26345 states. [2022-11-20 12:20:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26345 to 20301. [2022-11-20 12:20:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20301 states, 13736 states have (on average 1.340128130460105) internal successors, (18408), 14459 states have internal predecessors, (18408), 5248 states have call successors, (5248), 1318 states have call predecessors, (5248), 1316 states have return successors, (5416), 4975 states have call predecessors, (5416), 5236 states have call successors, (5416) [2022-11-20 12:20:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20301 states to 20301 states and 29072 transitions. [2022-11-20 12:20:18,679 INFO L78 Accepts]: Start accepts. Automaton has 20301 states and 29072 transitions. Word has length 71 [2022-11-20 12:20:18,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:18,680 INFO L495 AbstractCegarLoop]: Abstraction has 20301 states and 29072 transitions. [2022-11-20 12:20:18,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 12:20:18,680 INFO L276 IsEmpty]: Start isEmpty. Operand 20301 states and 29072 transitions. [2022-11-20 12:20:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 12:20:18,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:18,689 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 12:20:18,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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)] Ended with exit code 0 [2022-11-20 12:20:18,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:18,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:18,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:18,903 INFO L85 PathProgramCache]: Analyzing trace with hash 518998268, now seen corresponding path program 1 times [2022-11-20 12:20:18,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:18,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454304460] [2022-11-20 12:20:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:18,906 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 12:20:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:18,907 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:18,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:22,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 3057 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:20:22,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:20:22,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:22,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:22,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454304460] [2022-11-20 12:20:22,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454304460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:22,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:22,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:20:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54752851] [2022-11-20 12:20:22,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:22,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:20:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:20:22,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:22,352 INFO L87 Difference]: Start difference. First operand 20301 states and 29072 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 12:20:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:25,773 INFO L93 Difference]: Finished difference Result 60801 states and 87050 transitions. [2022-11-20 12:20:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:20:25,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 99 [2022-11-20 12:20:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:25,952 INFO L225 Difference]: With dead ends: 60801 [2022-11-20 12:20:25,953 INFO L226 Difference]: Without dead ends: 40503 [2022-11-20 12:20:26,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:26,033 INFO L413 NwaCegarLoop]: 5625 mSDtfsCounter, 3890 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3890 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:26,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3890 Valid, 9534 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:20:26,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40503 states. [2022-11-20 12:20:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40503 to 40477. [2022-11-20 12:20:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40477 states, 27364 states have (on average 1.3391317058909515) internal successors, (36644), 28807 states have internal predecessors, (36644), 10480 states have call successors, (10480), 2634 states have call predecessors, (10480), 2632 states have return successors, (10824), 9939 states have call predecessors, (10824), 10464 states have call successors, (10824) [2022-11-20 12:20:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40477 states to 40477 states and 57948 transitions. [2022-11-20 12:20:30,222 INFO L78 Accepts]: Start accepts. Automaton has 40477 states and 57948 transitions. Word has length 99 [2022-11-20 12:20:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:20:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 40477 states and 57948 transitions. [2022-11-20 12:20:30,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 12:20:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 40477 states and 57948 transitions. [2022-11-20 12:20:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 12:20:30,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:20:30,234 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-20 12:20:30,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:30,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:30,447 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:20:30,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:20:30,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1575766939, now seen corresponding path program 1 times [2022-11-20 12:20:30,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:20:30,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707626806] [2022-11-20 12:20:30,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:20:30,450 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 12:20:30,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:20:30,452 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:30,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ee00a9a-608a-4024-a0c7-a6a2f13d0650/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 12:20:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:20:33,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 3043 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:20:33,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:20:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 12:20:33,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:20:33,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:20:33,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707626806] [2022-11-20 12:20:33,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707626806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:20:33,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:20:33,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:20:33,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332317451] [2022-11-20 12:20:33,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:20:33,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:20:33,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:20:33,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:20:33,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:20:33,681 INFO L87 Difference]: Start difference. First operand 40477 states and 57948 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)