./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:36:11,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:36:11,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:36:11,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:36:11,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:36:11,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:36:11,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:36:11,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:36:11,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:36:11,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:36:11,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:36:11,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:36:11,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:36:11,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:36:11,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:36:11,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:36:11,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:36:11,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:36:11,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:36:11,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:36:11,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:36:11,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:36:11,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:36:11,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:36:11,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:36:11,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:36:11,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:36:11,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:36:11,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:36:11,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:36:11,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:36:11,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:36:11,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:36:11,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:36:11,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:36:11,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:36:11,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:36:11,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:36:11,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:36:11,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:36:11,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:36:11,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:36:11,207 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:36:11,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:36:11,208 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:36:11,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:36:11,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:36:11,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:36:11,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:36:11,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:36:11,211 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:36:11,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:36:11,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:36:11,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:36:11,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:36:11,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:36:11,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:36:11,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:36:11,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:36:11,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:36:11,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:36:11,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:36:11,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:36:11,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:11,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:36:11,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:36:11,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:36:11,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:36:11,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:36:11,216 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:36:11,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:36:11,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:36:11,217 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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-20 10:36:11,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:36:11,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:36:11,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:36:11,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:36:11,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:36:11,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-20 10:36:14,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:36:15,206 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:36:15,207 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-20 10:36:15,270 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/46f836edd/80e09d1e6ba847cc8ca5d5fe3879975a/FLAGe26b9cc58 [2022-11-20 10:36:15,290 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/46f836edd/80e09d1e6ba847cc8ca5d5fe3879975a [2022-11-20 10:36:15,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:36:15,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:36:15,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:15,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:36:15,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:36:15,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:15" (1/1) ... [2022-11-20 10:36:15,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fc09f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:15, skipping insertion in model container [2022-11-20 10:36:15,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:15" (1/1) ... [2022-11-20 10:36:15,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:36:15,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:16,168 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:36:16,178 INFO L158 Benchmark]: Toolchain (without parser) took 878.17ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 80.6MB in the beginning and 106.2MB in the end (delta: -25.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-20 10:36:16,179 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:36:16,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.86ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 80.2MB in the beginning and 106.2MB in the end (delta: -26.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-20 10:36:16,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.86ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 80.2MB in the beginning and 106.2MB in the end (delta: -26.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:36:18,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:36:18,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:36:18,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:36:18,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:36:18,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:36:18,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:36:18,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:36:18,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:36:18,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:36:18,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:36:18,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:36:18,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:36:18,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:36:18,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:36:18,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:36:18,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:36:18,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:36:18,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:36:18,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:36:18,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:36:18,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:36:18,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:36:18,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:36:18,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:36:18,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:36:18,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:36:18,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:36:18,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:36:18,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:36:18,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:36:18,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:36:18,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:36:18,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:36:18,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:36:18,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:36:18,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:36:18,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:36:18,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:36:18,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:36:18,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:36:18,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:36:18,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:36:18,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:36:18,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:36:18,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:36:18,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:36:18,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:36:18,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:36:18,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:36:18,538 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:36:18,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:36:18,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:36:18,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:36:18,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:36:18,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:36:18,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:36:18,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:36:18,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:36:18,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:36:18,541 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:36:18,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:36:18,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:36:18,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:36:18,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:36:18,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:18,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:36:18,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:36:18,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:36:18,543 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:36:18,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:36:18,543 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:36:18,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:36:18,544 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:36:18,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:36:18,544 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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-20 10:36:18,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:36:18,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:36:18,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:36:18,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:36:18,893 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:36:18,894 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-20 10:36:21,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:36:22,661 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:36:22,662 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-20 10:36:22,733 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/5dfffce5f/ce2c6419ca634643b3aa34b139229641/FLAGd725eb09c [2022-11-20 10:36:22,753 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/data/5dfffce5f/ce2c6419ca634643b3aa34b139229641 [2022-11-20 10:36:22,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:36:22,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:36:22,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:22,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:36:22,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:36:22,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:22" (1/1) ... [2022-11-20 10:36:22,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29605458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:22, skipping insertion in model container [2022-11-20 10:36:22,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:22" (1/1) ... [2022-11-20 10:36:22,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:36:22,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:25,670 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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-20 10:36:25,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:25,791 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:36:25,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:36:26,340 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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-20 10:36:26,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:26,357 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:36:27,017 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_7add4bbb-fbe3-4583-8374-3044c5c9c62a/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-20 10:36:27,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:36:27,258 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:36:27,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27 WrapperNode [2022-11-20 10:36:27,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:36:27,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:27,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:36:27,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:36:27,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,675 INFO L138 Inliner]: procedures = 358, calls = 3539, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8187 [2022-11-20 10:36:27,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:36:27,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:36:27,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:36:27,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:36:27,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:27,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:28,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:28,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:28,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:36:28,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:36:28,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:36:28,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:36:28,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (1/1) ... [2022-11-20 10:36:28,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:36:28,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:36:28,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:36:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:36:28,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:36:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-20 10:36:28,193 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-20 10:36:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:36:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-20 10:36:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:36:28,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:36:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:36:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:36:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:36:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:36:28,194 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 10:36:28,194 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 10:36:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:36:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:36:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-20 10:36:28,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-20 10:36:28,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:36:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:36:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-20 10:36:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-20 10:36:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-20 10:36:28,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-20 10:36:28,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-20 10:36:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-20 10:36:28,197 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 10:36:28,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 10:36:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-20 10:36:28,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-20 10:36:28,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-20 10:36:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-20 10:36:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-20 10:36:28,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-20 10:36:28,199 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:36:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:36:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:36:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:36:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:36:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:36:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-20 10:36:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-20 10:36:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-20 10:36:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-20 10:36:28,201 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-20 10:36:28,201 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-20 10:36:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-20 10:36:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-20 10:36:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-20 10:36:28,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-20 10:36:28,202 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:36:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:36:28,203 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-20 10:36:28,203 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-20 10:36:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:36:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-20 10:36:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-20 10:36:28,204 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-20 10:36:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:36:28,204 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-20 10:36:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-20 10:36:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-20 10:36:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-20 10:36:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-20 10:36:28,205 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-20 10:36:28,205 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:36:28,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:36:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:36:28,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:36:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:36:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-20 10:36:28,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-20 10:36:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:36:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:36:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:36:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-20 10:36:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-20 10:36:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-20 10:36:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-20 10:36:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 10:36:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 10:36:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:36:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:36:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:36:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-20 10:36:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-20 10:36:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-20 10:36:28,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-20 10:36:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:36:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-20 10:36:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-20 10:36:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 10:36:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 10:36:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 10:36:28,211 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 10:36:28,211 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-20 10:36:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-20 10:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-20 10:36:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-20 10:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:36:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:36:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-20 10:36:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-20 10:36:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:36:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:36:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 10:36:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 10:36:28,213 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-20 10:36:28,213 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-20 10:36:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-20 10:36:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-20 10:36:28,214 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 10:36:28,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 10:36:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-20 10:36:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-20 10:36:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-20 10:36:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-20 10:36:28,215 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:36:28,215 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:36:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-20 10:36:28,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-20 10:36:28,216 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:36:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:36:28,220 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-20 10:36:28,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-20 10:36:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-20 10:36:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-20 10:36:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-20 10:36:28,221 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-20 10:36:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-20 10:36:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-20 10:36:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:36:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:36:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:36:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:36:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-20 10:36:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-20 10:36:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-20 10:36:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-20 10:36:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-20 10:36:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-20 10:36:28,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:36:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:36:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-20 10:36:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-20 10:36:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:36:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:36:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:36:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:36:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-20 10:36:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-20 10:36:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-20 10:36:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-20 10:36:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-20 10:36:28,225 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-20 10:36:28,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:36:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:36:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 10:36:28,226 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 10:36:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:36:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:36:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:36:28,226 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-20 10:36:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-20 10:36:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:36:28,227 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-20 10:36:28,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-20 10:36:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-20 10:36:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-20 10:36:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-20 10:36:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-20 10:36:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-20 10:36:28,228 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-20 10:36:28,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:36:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-20 10:36:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-20 10:36:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 10:36:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 10:36:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:36:28,229 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-20 10:36:28,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-20 10:36:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-20 10:36:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-20 10:36:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:36:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 10:36:28,230 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-20 10:36:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-20 10:36:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:36:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:36:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:36:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-20 10:36:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-20 10:36:28,231 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 10:36:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 10:36:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-20 10:36:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-20 10:36:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:36:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:36:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-20 10:36:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-20 10:36:28,232 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-20 10:36:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-20 10:36:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-20 10:36:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-20 10:36:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:36:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:36:28,233 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-20 10:36:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-20 10:36:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:36:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:36:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-20 10:36:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-20 10:36:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 10:36:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 10:36:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-20 10:36:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-20 10:36:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-20 10:36:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-20 10:36:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:36:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:36:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:36:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-20 10:36:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-20 10:36:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-20 10:36:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-20 10:36:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-20 10:36:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-20 10:36:28,236 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-20 10:36:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-20 10:36:28,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:36:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:36:29,457 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:36:29,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:36:29,952 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:36:30,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-20 10:36:30,050 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-20 10:36:32,335 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-20 10:36:32,336 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-20 10:36:38,116 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:36:38,853 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-20 10:36:38,854 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-20 10:36:40,007 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:36:40,009 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:36:40,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-20 10:36:40,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-20 10:36:40,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-20 10:36:40,676 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-20 10:36:41,691 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:04,113 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,113 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-20 10:37:04,113 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,114 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-20 10:37:04,114 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-20 10:37:04,114 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-20 10:37:04,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-20 10:37:04,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-20 10:37:04,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-20 10:37:04,115 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-20 10:37:04,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-20 10:37:04,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-20 10:37:04,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-20 10:37:04,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-20 10:37:04,117 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-20 10:37:04,118 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-20 10:37:04,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-20 10:37:04,120 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-20 10:37:04,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-20 10:37:06,050 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:06,052 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:06,059 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:06,059 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:06,060 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:37:54,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-20 10:37:54,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-20 10:37:54,021 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-20 10:37:54,022 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-20 10:37:54,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-20 10:37:55,325 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:37:55,346 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:37:55,346 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-20 10:37:55,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:55 BoogieIcfgContainer [2022-11-20 10:37:55,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:37:55,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:37:55,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:37:55,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:37:55,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:36:22" (1/3) ... [2022-11-20 10:37:55,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b9b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:55, skipping insertion in model container [2022-11-20 10:37:55,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:27" (2/3) ... [2022-11-20 10:37:55,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c0b9b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:55, skipping insertion in model container [2022-11-20 10:37:55,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:55" (3/3) ... [2022-11-20 10:37:55,360 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-20 10:37:55,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:37:55,379 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:37:55,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:37:55,511 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;@d193575, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:37:55,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:37:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-20 10:37:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 10:37:55,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:55,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:55,538 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:55,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-20 10:37:55,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:37:55,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109653931] [2022-11-20 10:37:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:55,564 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:55,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:37:55,567 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:37:55,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:37:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:56,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:56,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:57,394 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:57,395 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:37:57,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109653931] [2022-11-20 10:37:57,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109653931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:57,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:57,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:57,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361976473] [2022-11-20 10:37:57,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:57,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:57,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:37:57,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:57,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:57,452 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:37:58,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:58,008 INFO L93 Difference]: Finished difference Result 8125 states and 12244 transitions. [2022-11-20 10:37:58,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 17 [2022-11-20 10:37:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:58,057 INFO L225 Difference]: With dead ends: 8125 [2022-11-20 10:37:58,057 INFO L226 Difference]: Without dead ends: 5402 [2022-11-20 10:37:58,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:58,081 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 4020 mSDsluCounter, 4000 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4020 SdHoareTripleChecker+Valid, 9821 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:58,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4020 Valid, 9821 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:37:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2022-11-20 10:37:58,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 5399. [2022-11-20 10:37:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3963599595551062) internal successors, (5524), 4121 states have internal predecessors, (5524), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-20 10:37:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8018 transitions. [2022-11-20 10:37:58,508 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8018 transitions. Word has length 17 [2022-11-20 10:37:58,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:58,509 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8018 transitions. [2022-11-20 10:37:58,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:37:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8018 transitions. [2022-11-20 10:37:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 10:37:58,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:58,526 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] [2022-11-20 10:37:58,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:58,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:58,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:58,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:58,743 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-20 10:37:58,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:37:58,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839316680] [2022-11-20 10:37:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:58,746 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:37:58,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:37:58,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:37:58,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:37:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:00,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:38:00,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:00,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:00,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:00,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839316680] [2022-11-20 10:38:00,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839316680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:00,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:00,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:38:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345809243] [2022-11-20 10:38:00,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:00,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:38:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:38:00,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:38:00,228 INFO L87 Difference]: Start difference. First operand 5399 states and 8018 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:00,782 INFO L93 Difference]: Finished difference Result 10703 states and 15909 transitions. [2022-11-20 10:38:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:38:00,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-20 10:38:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:00,816 INFO L225 Difference]: With dead ends: 10703 [2022-11-20 10:38:00,816 INFO L226 Difference]: Without dead ends: 5399 [2022-11-20 10:38:00,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:00,840 INFO L413 NwaCegarLoop]: 4031 mSDtfsCounter, 1 mSDsluCounter, 8056 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12087 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:00,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12087 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:00,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5399 states. [2022-11-20 10:38:01,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5399 to 5399. [2022-11-20 10:38:01,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3961071789686552) internal successors, (5523), 4121 states have internal predecessors, (5523), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-20 10:38:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8017 transitions. [2022-11-20 10:38:01,098 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8017 transitions. Word has length 54 [2022-11-20 10:38:01,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:01,099 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8017 transitions. [2022-11-20 10:38:01,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8017 transitions. [2022-11-20 10:38:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 10:38:01,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:01,104 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] [2022-11-20 10:38:01,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:01,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:01,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:01,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:01,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-20 10:38:01,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:01,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163747708] [2022-11-20 10:38:01,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:01,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:01,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:38:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:03,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 2198 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:38:03,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:04,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:04,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:04,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163747708] [2022-11-20 10:38:04,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163747708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:04,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:04,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:38:04,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346660890] [2022-11-20 10:38:04,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:04,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:38:04,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:04,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:38:04,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:38:04,269 INFO L87 Difference]: Start difference. First operand 5399 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:07,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:38:08,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:08,433 INFO L93 Difference]: Finished difference Result 16162 states and 24022 transitions. [2022-11-20 10:38:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:38:08,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-20 10:38:08,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:08,498 INFO L225 Difference]: With dead ends: 16162 [2022-11-20 10:38:08,499 INFO L226 Difference]: Without dead ends: 10767 [2022-11-20 10:38:08,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:38:08,526 INFO L413 NwaCegarLoop]: 7724 mSDtfsCounter, 4001 mSDsluCounter, 27173 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4007 SdHoareTripleChecker+Valid, 34897 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:08,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4007 Valid, 34897 Invalid, 41 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 10:38:08,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10767 states. [2022-11-20 10:38:09,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10767 to 10753. [2022-11-20 10:38:09,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10753 states, 7875 states have (on average 1.3964444444444444) internal successors, (10997), 8204 states have internal predecessors, (10997), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-20 10:38:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10753 states to 10753 states and 15980 transitions. [2022-11-20 10:38:09,267 INFO L78 Accepts]: Start accepts. Automaton has 10753 states and 15980 transitions. Word has length 61 [2022-11-20 10:38:09,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:09,267 INFO L495 AbstractCegarLoop]: Abstraction has 10753 states and 15980 transitions. [2022-11-20 10:38:09,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 10753 states and 15980 transitions. [2022-11-20 10:38:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 10:38:09,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:09,273 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] [2022-11-20 10:38:09,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:09,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:09,487 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:09,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1755782664, now seen corresponding path program 1 times [2022-11-20 10:38:09,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:09,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102426254] [2022-11-20 10:38:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:09,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:09,493 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:09,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:38:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:11,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 2204 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:38:11,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:11,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:11,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:11,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102426254] [2022-11-20 10:38:11,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102426254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:11,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:11,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:38:11,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436054631] [2022-11-20 10:38:11,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:11,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:38:11,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:11,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:38:11,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:38:11,894 INFO L87 Difference]: Start difference. First operand 10753 states and 15980 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:14,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:14,347 INFO L93 Difference]: Finished difference Result 18231 states and 27325 transitions. [2022-11-20 10:38:14,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:38:14,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-20 10:38:14,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:14,428 INFO L225 Difference]: With dead ends: 18231 [2022-11-20 10:38:14,428 INFO L226 Difference]: Without dead ends: 12861 [2022-11-20 10:38:14,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:38:14,457 INFO L413 NwaCegarLoop]: 5539 mSDtfsCounter, 3407 mSDsluCounter, 12800 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 812 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 18339 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 812 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:14,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 18339 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [812 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:38:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12861 states. [2022-11-20 10:38:15,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12861 to 10759. [2022-11-20 10:38:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10759 states, 7881 states have (on average 1.3961426214947341) internal successors, (11003), 8210 states have internal predecessors, (11003), 2490 states have call successors, (2490), 387 states have call predecessors, (2490), 387 states have return successors, (2493), 2407 states have call predecessors, (2493), 2488 states have call successors, (2493) [2022-11-20 10:38:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10759 states to 10759 states and 15986 transitions. [2022-11-20 10:38:15,292 INFO L78 Accepts]: Start accepts. Automaton has 10759 states and 15986 transitions. Word has length 61 [2022-11-20 10:38:15,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:15,294 INFO L495 AbstractCegarLoop]: Abstraction has 10759 states and 15986 transitions. [2022-11-20 10:38:15,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 10759 states and 15986 transitions. [2022-11-20 10:38:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 10:38:15,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:15,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:15,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:15,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:15,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:15,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:15,527 INFO L85 PathProgramCache]: Analyzing trace with hash -205695727, now seen corresponding path program 1 times [2022-11-20 10:38:15,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:15,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196939724] [2022-11-20 10:38:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:15,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:15,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:15,533 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:15,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:38:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:17,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:17,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:18,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:18,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:18,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196939724] [2022-11-20 10:38:18,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196939724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:18,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:18,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:38:18,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009888678] [2022-11-20 10:38:18,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:18,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:18,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:18,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:18,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:18,507 INFO L87 Difference]: Start difference. First operand 10759 states and 15986 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:20,204 INFO L93 Difference]: Finished difference Result 21413 states and 31947 transitions. [2022-11-20 10:38:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:20,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-20 10:38:20,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:20,255 INFO L225 Difference]: With dead ends: 21413 [2022-11-20 10:38:20,255 INFO L226 Difference]: Without dead ends: 10679 [2022-11-20 10:38:20,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:20,306 INFO L413 NwaCegarLoop]: 3829 mSDtfsCounter, 3877 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3877 SdHoareTripleChecker+Valid, 3829 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:20,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3877 Valid, 3829 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 10:38:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10679 states. [2022-11-20 10:38:21,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10679 to 10679. [2022-11-20 10:38:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.352105465250224) internal successors, (10564), 8138 states have internal predecessors, (10564), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-20 10:38:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15531 transitions. [2022-11-20 10:38:21,301 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15531 transitions. Word has length 65 [2022-11-20 10:38:21,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:21,301 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15531 transitions. [2022-11-20 10:38:21,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15531 transitions. [2022-11-20 10:38:21,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 10:38:21,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:21,308 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] [2022-11-20 10:38:21,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:21,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:21,523 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:21,523 INFO L85 PathProgramCache]: Analyzing trace with hash -143656113, now seen corresponding path program 1 times [2022-11-20 10:38:21,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:21,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666188287] [2022-11-20 10:38:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:21,526 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:21,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:38:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:23,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:23,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:24,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:24,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:24,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666188287] [2022-11-20 10:38:24,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666188287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:24,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:24,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:24,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317277399] [2022-11-20 10:38:24,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:24,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:24,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:24,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:24,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:24,884 INFO L87 Difference]: Start difference. First operand 10679 states and 15531 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:25,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:25,980 INFO L93 Difference]: Finished difference Result 16018 states and 23291 transitions. [2022-11-20 10:38:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:25,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-20 10:38:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:26,028 INFO L225 Difference]: With dead ends: 16018 [2022-11-20 10:38:26,029 INFO L226 Difference]: Without dead ends: 10687 [2022-11-20 10:38:26,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:26,048 INFO L413 NwaCegarLoop]: 4905 mSDtfsCounter, 3865 mSDsluCounter, 3883 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 8788 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:26,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 8788 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:38:26,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10687 states. [2022-11-20 10:38:26,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10687 to 10679. [2022-11-20 10:38:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10679 states, 7813 states have (on average 1.3518494816331754) internal successors, (10562), 8136 states have internal predecessors, (10562), 2482 states have call successors, (2482), 383 states have call predecessors, (2482), 383 states have return successors, (2485), 2399 states have call predecessors, (2485), 2480 states have call successors, (2485) [2022-11-20 10:38:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10679 states to 10679 states and 15529 transitions. [2022-11-20 10:38:27,039 INFO L78 Accepts]: Start accepts. Automaton has 10679 states and 15529 transitions. Word has length 65 [2022-11-20 10:38:27,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:27,042 INFO L495 AbstractCegarLoop]: Abstraction has 10679 states and 15529 transitions. [2022-11-20 10:38:27,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 10:38:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 10679 states and 15529 transitions. [2022-11-20 10:38:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 10:38:27,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:27,052 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, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:27,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:27,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:27,266 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:27,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:27,267 INFO L85 PathProgramCache]: Analyzing trace with hash 49835295, now seen corresponding path program 1 times [2022-11-20 10:38:27,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:27,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572780484] [2022-11-20 10:38:27,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:27,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:27,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:27,271 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:38:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:29,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 2228 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:29,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:30,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:30,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:30,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572780484] [2022-11-20 10:38:30,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572780484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:30,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:30,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:30,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180803986] [2022-11-20 10:38:30,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:30,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:31,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:31,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:31,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,000 INFO L87 Difference]: Start difference. First operand 10679 states and 15529 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:38:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:31,914 INFO L93 Difference]: Finished difference Result 15954 states and 23202 transitions. [2022-11-20 10:38:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:31,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2022-11-20 10:38:31,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:31,974 INFO L225 Difference]: With dead ends: 15954 [2022-11-20 10:38:31,974 INFO L226 Difference]: Without dead ends: 15946 [2022-11-20 10:38:31,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:31,983 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 3843 mSDsluCounter, 3909 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3843 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:31,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3843 Valid, 8861 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:38:31,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15946 states. [2022-11-20 10:38:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15946 to 15938. [2022-11-20 10:38:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15938 states, 11660 states have (on average 1.3524871355060035) internal successors, (15770), 12141 states have internal predecessors, (15770), 3707 states have call successors, (3707), 570 states have call predecessors, (3707), 570 states have return successors, (3710), 3583 states have call predecessors, (3710), 3705 states have call successors, (3710) [2022-11-20 10:38:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15938 states to 15938 states and 23187 transitions. [2022-11-20 10:38:33,095 INFO L78 Accepts]: Start accepts. Automaton has 15938 states and 23187 transitions. Word has length 73 [2022-11-20 10:38:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:33,095 INFO L495 AbstractCegarLoop]: Abstraction has 15938 states and 23187 transitions. [2022-11-20 10:38:33,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:38:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 15938 states and 23187 transitions. [2022-11-20 10:38:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 10:38:33,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:33,248 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:33,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:33,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:33,457 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:33,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:33,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1405702881, now seen corresponding path program 1 times [2022-11-20 10:38:33,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:33,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095689850] [2022-11-20 10:38:33,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:33,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:33,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:33,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:38:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:38:35,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 2280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:38:35,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:38:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:38:36,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:38:36,265 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:38:36,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095689850] [2022-11-20 10:38:36,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095689850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:38:36,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:38:36,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:38:36,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391755479] [2022-11-20 10:38:36,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:38:36,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:38:36,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:38:36,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:38:36,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:36,268 INFO L87 Difference]: Start difference. First operand 15938 states and 23187 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:38:37,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:38:37,540 INFO L93 Difference]: Finished difference Result 37604 states and 55261 transitions. [2022-11-20 10:38:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:38:37,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2022-11-20 10:38:37,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:38:37,621 INFO L225 Difference]: With dead ends: 37604 [2022-11-20 10:38:37,622 INFO L226 Difference]: Without dead ends: 21834 [2022-11-20 10:38:37,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:38:37,662 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 1074 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 8117 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:38:37,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 8117 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:38:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21834 states. [2022-11-20 10:38:39,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21834 to 21824. [2022-11-20 10:38:39,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21824 states, 16094 states have (on average 1.3629302845781037) internal successors, (21935), 16755 states have internal predecessors, (21935), 5159 states have call successors, (5159), 570 states have call predecessors, (5159), 570 states have return successors, (5166), 5005 states have call predecessors, (5166), 5157 states have call successors, (5166) [2022-11-20 10:38:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21824 states to 21824 states and 32260 transitions. [2022-11-20 10:38:39,673 INFO L78 Accepts]: Start accepts. Automaton has 21824 states and 32260 transitions. Word has length 77 [2022-11-20 10:38:39,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:38:39,674 INFO L495 AbstractCegarLoop]: Abstraction has 21824 states and 32260 transitions. [2022-11-20 10:38:39,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:38:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 21824 states and 32260 transitions. [2022-11-20 10:38:39,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 10:38:39,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:38:39,690 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:38:39,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:38:39,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:39,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:38:39,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:38:39,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1461524583, now seen corresponding path program 1 times [2022-11-20 10:38:39,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:38:39,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351825425] [2022-11-20 10:38:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:38:39,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:38:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:38:39,919 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:38:39,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:39:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:00,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:39:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:39:42,086 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 10:39:42,087 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:39:42,088 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:39:42,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:42,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:42,306 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:42,308 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:39:42,382 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *~wait_queue_t~0 at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.handleCASTFunctionCallExpression(CACSL2BoogieBacktranslator.java:490) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:39:42,385 INFO L158 Benchmark]: Toolchain (without parser) took 199628.47ms. Allocated memory was 73.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 31.7MB in the beginning and 1.4GB in the end (delta: -1.4GB). Peak memory consumption was 400.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,386 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:39:42,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4482.31ms. Allocated memory was 73.4MB in the beginning and 224.4MB in the end (delta: 151.0MB). Free memory was 47.6MB in the beginning and 125.8MB in the end (delta: -78.2MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 416.42ms. Allocated memory is still 224.4MB. Free memory was 125.8MB in the beginning and 79.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,387 INFO L158 Benchmark]: Boogie Preprocessor took 412.00ms. Allocated memory is still 224.4MB. Free memory was 79.6MB in the beginning and 84.1MB in the end (delta: -4.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,387 INFO L158 Benchmark]: RCFGBuilder took 87261.17ms. Allocated memory was 224.4MB in the beginning and 874.5MB in the end (delta: 650.1MB). Free memory was 84.1MB in the beginning and 665.9MB in the end (delta: -581.7MB). Peak memory consumption was 521.4MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,388 INFO L158 Benchmark]: TraceAbstraction took 107031.48ms. Allocated memory was 874.5MB in the beginning and 1.9GB in the end (delta: 985.7MB). Free memory was 665.9MB in the beginning and 1.4GB in the end (delta: -753.5MB). Peak memory consumption was 233.2MB. Max. memory is 16.1GB. [2022-11-20 10:39:42,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4482.31ms. Allocated memory was 73.4MB in the beginning and 224.4MB in the end (delta: 151.0MB). Free memory was 47.6MB in the beginning and 125.8MB in the end (delta: -78.2MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 416.42ms. Allocated memory is still 224.4MB. Free memory was 125.8MB in the beginning and 79.6MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 412.00ms. Allocated memory is still 224.4MB. Free memory was 79.6MB in the beginning and 84.1MB in the end (delta: -4.5MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * RCFGBuilder took 87261.17ms. Allocated memory was 224.4MB in the beginning and 874.5MB in the end (delta: 650.1MB). Free memory was 84.1MB in the beginning and 665.9MB in the end (delta: -581.7MB). Peak memory consumption was 521.4MB. Max. memory is 16.1GB. * TraceAbstraction took 107031.48ms. Allocated memory was 874.5MB in the beginning and 1.9GB in the end (delta: 985.7MB). Free memory was 665.9MB in the beginning and 1.4GB in the end (delta: -753.5MB). Peak memory consumption was 233.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 10:39:42,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7add4bbb-fbe3-4583-8374-3044c5c9c62a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~wait_queue_t~0