./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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_472b21cc-f676-44ba-9c15-2757911a796c/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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:16:41,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:16:41,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:16:41,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:16:41,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:16:41,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:16:41,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:16:41,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:16:41,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:16:41,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:16:41,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:16:41,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:16:41,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:16:41,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:16:41,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:16:41,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:16:41,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:16:41,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:16:41,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:16:41,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:16:41,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:16:41,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:16:41,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:16:41,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:16:41,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:16:41,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:16:41,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:16:41,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:16:41,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:16:41,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:16:41,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:16:41,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:16:41,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:16:41,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:16:41,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:16:41,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:16:41,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:16:41,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:16:41,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:16:41,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:16:41,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:16:41,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:16:41,831 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:16:41,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:16:41,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:16:41,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:16:41,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:16:41,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:16:41,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:16:41,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:16:41,835 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:16:41,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:16:41,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:16:41,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:16:41,837 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:16:41,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:16:41,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:16:41,838 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:16:41,838 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:16:41,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:16:41,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:16:41,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:16:41,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:16:41,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:41,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:16:41,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:16:41,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:16:41,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:16:41,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:16:41,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:16:41,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:16:41,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:16:41,843 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_472b21cc-f676-44ba-9c15-2757911a796c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-11-20 11:16:42,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:16:42,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:16:42,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:16:42,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:16:42,256 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:16:42,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-20 11:16:45,360 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:16:46,105 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:16:46,106 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-20 11:16:46,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/48646b237/fe2a40e4d36c44e9bdd2eadf832077a1/FLAGeb3459cce [2022-11-20 11:16:46,198 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/48646b237/fe2a40e4d36c44e9bdd2eadf832077a1 [2022-11-20 11:16:46,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:16:46,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:16:46,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:46,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:16:46,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:16:46,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:46" (1/1) ... [2022-11-20 11:16:46,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac57f81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:46, skipping insertion in model container [2022-11-20 11:16:46,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:46" (1/1) ... [2022-11-20 11:16:46,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:16:46,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:16:47,202 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:16:47,212 INFO L158 Benchmark]: Toolchain (without parser) took 1008.14ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 80.8MB in the end (delta: 26.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-20 11:16:47,213 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 87.3MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:16:47,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.07ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 80.8MB in the end (delta: 26.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-11-20 11:16:47,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 87.3MB in the end (delta: 25.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.07ms. Allocated memory is still 169.9MB. Free memory was 107.6MB in the beginning and 80.8MB in the end (delta: 26.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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_472b21cc-f676-44ba-9c15-2757911a796c/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 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:16:49,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:16:49,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:16:49,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:16:49,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:16:49,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:16:49,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:16:49,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:16:49,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:16:49,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:16:49,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:16:49,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:16:49,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:16:49,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:16:49,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:16:49,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:16:49,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:16:49,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:16:49,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:16:49,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:16:49,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:16:49,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:16:49,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:16:49,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:16:49,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:16:49,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:16:49,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:16:49,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:16:49,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:16:49,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:16:49,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:16:49,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:16:49,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:16:49,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:16:49,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:16:49,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:16:49,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:16:49,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:16:49,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:16:49,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:16:49,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:16:49,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:16:49,955 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:16:49,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:16:49,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:16:49,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:16:49,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:16:49,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:16:49,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:16:49,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:16:49,960 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:16:49,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:16:49,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:16:49,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:16:49,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:16:49,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:16:49,962 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:16:49,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:16:49,963 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:16:49,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:16:49,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:16:49,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:16:49,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:16:49,964 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:16:49,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:16:49,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:16:49,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:16:49,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:16:49,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:16:49,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:16:49,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:16:49,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:16:49,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:16:49,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:16:49,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:16:49,968 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_472b21cc-f676-44ba-9c15-2757911a796c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e5652ce767ff2e1bcbd3f583f8e33ee2c54a0e67349cc7d1c1f8d74e875d01c [2022-11-20 11:16:50,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:16:50,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:16:50,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:16:50,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:16:50,447 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:16:50,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-20 11:16:53,511 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:16:54,267 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:16:54,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-20 11:16:54,338 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/f3660c47c/4edbf083f8a04b6ea9c68299020738b7/FLAG806f54b10 [2022-11-20 11:16:54,364 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/data/f3660c47c/4edbf083f8a04b6ea9c68299020738b7 [2022-11-20 11:16:54,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:16:54,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:16:54,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:16:54,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:16:54,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:16:54,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:54" (1/1) ... [2022-11-20 11:16:54,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f715c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:16:54, skipping insertion in model container [2022-11-20 11:16:54,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:16:54" (1/1) ... [2022-11-20 11:16:54,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:16:54,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:16:59,193 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_472b21cc-f676-44ba-9c15-2757911a796c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-11-20 11:16:59,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:16:59,376 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:16:59,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:17:00,068 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_472b21cc-f676-44ba-9c15-2757911a796c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-11-20 11:17:00,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:00,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:17:00,913 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_472b21cc-f676-44ba-9c15-2757911a796c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i[418024,418037] [2022-11-20 11:17:00,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:17:01,340 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:17:01,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01 WrapperNode [2022-11-20 11:17:01,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:17:01,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:01,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:17:01,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:17:01,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:01,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:01,669 INFO L138 Inliner]: procedures = 479, calls = 3161, calls flagged for inlining = 208, calls inlined = 193, statements flattened = 7191 [2022-11-20 11:17:01,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:17:01,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:17:01,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:17:01,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:17:01,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:01,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:01,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:01,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:17:02,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:17:02,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:17:02,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:17:02,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (1/1) ... [2022-11-20 11:17:02,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:17:02,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:17:02,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:17:02,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:17:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 11:17:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 11:17:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 11:17:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 11:17:02,238 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-11-20 11:17:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-11-20 11:17:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:17:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:17:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-11-20 11:17:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-11-20 11:17:02,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-20 11:17:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-20 11:17:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:17:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:17:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-20 11:17:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-20 11:17:02,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:17:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:17:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-11-20 11:17:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-11-20 11:17:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-20 11:17:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-20 11:17:02,241 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_error_detected [2022-11-20 11:17:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_error_detected [2022-11-20 11:17:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_change_mtu [2022-11-20 11:17:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_change_mtu [2022-11-20 11:17:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-20 11:17:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-20 11:17:02,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 11:17:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 11:17:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 11:17:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 11:17:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:17:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:17:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:17:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:17:02,243 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-11-20 11:17:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-11-20 11:17:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-11-20 11:17:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-11-20 11:17:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:17:02,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:17:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-11-20 11:17:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-11-20 11:17:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 11:17:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 11:17:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 11:17:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 11:17:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:17:02,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:17:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:17:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:17:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-11-20 11:17:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-11-20 11:17:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-20 11:17:02,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-20 11:17:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 11:17:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 11:17:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:17:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-20 11:17:02,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-20 11:17:02,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:17:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:17:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:17:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:17:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-11-20 11:17:02,248 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-11-20 11:17:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 11:17:02,248 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 11:17:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-11-20 11:17:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-11-20 11:17:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 11:17:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 11:17:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:17:02,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:17:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:17:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:17:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-11-20 11:17:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-11-20 11:17:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:17:02,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:17:02,250 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:17:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:17:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-11-20 11:17:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-11-20 11:17:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_task [2022-11-20 11:17:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_task [2022-11-20 11:17:02,251 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:17:02,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:17:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:17:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:17:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-11-20 11:17:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-11-20 11:17:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:17:02,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:17:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 11:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 11:17:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-20 11:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-20 11:17:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 11:17:02,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 11:17:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-11-20 11:17:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-11-20 11:17:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 11:17:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 11:17:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:17:02,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:17:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-11-20 11:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-11-20 11:17:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 11:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 11:17:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:17:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-11-20 11:17:02,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-11-20 11:17:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:17:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 11:17:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 11:17:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_fix_features [2022-11-20 11:17:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_fix_features [2022-11-20 11:17:02,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:17:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:17:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 11:17:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 11:17:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-11-20 11:17:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-11-20 11:17:02,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 11:17:02,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 11:17:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:17:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:17:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-11-20 11:17:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-11-20 11:17:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 11:17:02,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 11:17:02,259 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 11:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 11:17:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:17:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-11-20 11:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-11-20 11:17:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_stats [2022-11-20 11:17:02,260 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_stats [2022-11-20 11:17:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 11:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 11:17:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:17:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:17:02,261 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:17:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-11-20 11:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-11-20 11:17:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:17:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 11:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 11:17:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 11:17:02,262 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 11:17:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:17:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:17:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 11:17:02,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 11:17:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:17:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 11:17:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:17:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:17:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:17:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 11:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 11:17:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-11-20 11:17:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-11-20 11:17:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-11-20 11:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-11-20 11:17:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:17:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 11:17:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 11:17:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 11:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 11:17:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 11:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 11:17:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_mac_addr [2022-11-20 11:17:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_mac_addr [2022-11-20 11:17:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:17:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:17:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-11-20 11:17:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-11-20 11:17:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:17:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:17:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 11:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 11:17:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-20 11:17:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-20 11:17:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:17:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:17:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 11:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 11:17:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 11:17:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 11:17:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-11-20 11:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-11-20 11:17:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:17:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-11-20 11:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-11-20 11:17:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-11-20 11:17:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-11-20 11:17:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-20 11:17:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-20 11:17:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 11:17:02,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 11:17:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:17:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:17:02,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:17:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-11-20 11:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-11-20 11:17:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:17:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:17:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-20 11:17:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-20 11:17:02,273 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-11-20 11:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-11-20 11:17:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:17:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-20 11:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-20 11:17:02,274 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 11:17:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 11:17:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 11:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 11:17:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 11:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 11:17:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 11:17:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 11:17:02,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:17:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_ioctl [2022-11-20 11:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_ioctl [2022-11-20 11:17:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_link_chg_task [2022-11-20 11:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_link_chg_task [2022-11-20 11:17:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-11-20 11:17:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-11-20 11:17:02,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-11-20 11:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-11-20 11:17:02,277 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-11-20 11:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-11-20 11:17:02,277 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:17:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:17:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 11:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 11:17:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:17:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-11-20 11:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-11-20 11:17:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 11:17:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 11:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-11-20 11:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-11-20 11:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_slot_reset [2022-11-20 11:17:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_slot_reset [2022-11-20 11:17:02,279 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-11-20 11:17:02,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-11-20 11:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:17:02,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:17:02,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-11-20 11:17:02,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-11-20 11:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-11-20 11:17:02,281 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-11-20 11:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 11:17:02,281 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 11:17:02,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 11:17:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 11:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 11:17:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 11:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_features [2022-11-20 11:17:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_features [2022-11-20 11:17:02,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 11:17:02,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 11:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-11-20 11:17:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-11-20 11:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-20 11:17:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-20 11:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 11:17:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 11:17:02,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_6 [2022-11-20 11:17:02,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_6 [2022-11-20 11:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 11:17:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 11:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-11-20 11:17:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-11-20 11:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 11:17:02,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 11:17:02,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:17:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:17:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-11-20 11:17:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-11-20 11:17:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 11:17:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 11:17:02,285 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:17:02,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:17:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 11:17:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 11:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-11-20 11:17:02,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-11-20 11:17:02,286 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-11-20 11:17:02,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-11-20 11:17:03,556 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:17:03,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:17:04,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:18:17,023 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:18:17,045 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:18:17,046 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:18:17,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:17 BoogieIcfgContainer [2022-11-20 11:18:17,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:18:17,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:18:17,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:18:17,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:18:17,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:16:54" (1/3) ... [2022-11-20 11:18:17,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a668368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:17, skipping insertion in model container [2022-11-20 11:18:17,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:01" (2/3) ... [2022-11-20 11:18:17,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a668368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:18:17, skipping insertion in model container [2022-11-20 11:18:17,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:18:17" (3/3) ... [2022-11-20 11:18:17,060 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--atheros--atl1e--atl1e.ko-entry_point.cil.out.i [2022-11-20 11:18:17,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:18:17,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:18:17,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:18:17,180 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;@23382b7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:18:17,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:18:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 2705 states, 1847 states have (on average 1.31510557661072) internal successors, (2429), 1885 states have internal predecessors, (2429), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) [2022-11-20 11:18:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 11:18:17,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:17,229 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:17,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:17,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1708409483, now seen corresponding path program 1 times [2022-11-20 11:18:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:17,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224192718] [2022-11-20 11:18:17,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:17,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:17,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:17,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:17,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:18:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:20,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:18:20,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-20 11:18:20,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:18:20,693 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:20,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224192718] [2022-11-20 11:18:20,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224192718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:20,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:20,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:18:20,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892794571] [2022-11-20 11:18:20,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:20,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:18:20,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:18:20,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:18:20,743 INFO L87 Difference]: Start difference. First operand has 2705 states, 1847 states have (on average 1.31510557661072) internal successors, (2429), 1885 states have internal predecessors, (2429), 710 states have call successors, (710), 147 states have call predecessors, (710), 146 states have return successors, (699), 695 states have call predecessors, (699), 699 states have call successors, (699) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:18:21,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:21,006 INFO L93 Difference]: Finished difference Result 5405 states and 7700 transitions. [2022-11-20 11:18:21,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:18:21,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 173 [2022-11-20 11:18:21,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:21,059 INFO L225 Difference]: With dead ends: 5405 [2022-11-20 11:18:21,060 INFO L226 Difference]: Without dead ends: 2676 [2022-11-20 11:18:21,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:18:21,090 INFO L413 NwaCegarLoop]: 3834 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3834 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:21,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3834 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:18:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2022-11-20 11:18:21,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2676. [2022-11-20 11:18:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2676 states, 1831 states have (on average 1.3058438012015292) internal successors, (2391), 1856 states have internal predecessors, (2391), 699 states have call successors, (699), 146 states have call predecessors, (699), 145 states have return successors, (698), 694 states have call predecessors, (698), 698 states have call successors, (698) [2022-11-20 11:18:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3788 transitions. [2022-11-20 11:18:21,332 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3788 transitions. Word has length 173 [2022-11-20 11:18:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:21,334 INFO L495 AbstractCegarLoop]: Abstraction has 2676 states and 3788 transitions. [2022-11-20 11:18:21,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 11:18:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3788 transitions. [2022-11-20 11:18:21,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-20 11:18:21,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:21,346 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:21,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:21,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:21,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:21,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 215729773, now seen corresponding path program 1 times [2022-11-20 11:18:21,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557519940] [2022-11-20 11:18:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:21,572 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:21,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:21,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:21,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:18:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:25,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:18:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:25,580 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-11-20 11:18:25,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:18:25,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:25,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557519940] [2022-11-20 11:18:25,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557519940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:25,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:25,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:18:25,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908724748] [2022-11-20 11:18:25,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:25,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:18:25,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:25,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:18:25,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:18:25,585 INFO L87 Difference]: Start difference. First operand 2676 states and 3788 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 11:18:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:26,531 INFO L93 Difference]: Finished difference Result 5346 states and 7581 transitions. [2022-11-20 11:18:26,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:18:26,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 173 [2022-11-20 11:18:26,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:26,551 INFO L225 Difference]: With dead ends: 5346 [2022-11-20 11:18:26,552 INFO L226 Difference]: Without dead ends: 2679 [2022-11-20 11:18:26,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:18:26,565 INFO L413 NwaCegarLoop]: 3776 mSDtfsCounter, 6 mSDsluCounter, 15078 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 18854 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:26,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 18854 Invalid, 88 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:18:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2679 states. [2022-11-20 11:18:26,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2679 to 2679. [2022-11-20 11:18:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 1833 states have (on average 1.3060556464811783) internal successors, (2394), 1859 states have internal predecessors, (2394), 699 states have call successors, (699), 146 states have call predecessors, (699), 146 states have return successors, (701), 694 states have call predecessors, (701), 698 states have call successors, (701) [2022-11-20 11:18:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 3794 transitions. [2022-11-20 11:18:26,699 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 3794 transitions. Word has length 173 [2022-11-20 11:18:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:26,700 INFO L495 AbstractCegarLoop]: Abstraction has 2679 states and 3794 transitions. [2022-11-20 11:18:26,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-20 11:18:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3794 transitions. [2022-11-20 11:18:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-20 11:18:26,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:26,707 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:26,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:26,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:26,931 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:26,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:26,931 INFO L85 PathProgramCache]: Analyzing trace with hash -959200013, now seen corresponding path program 1 times [2022-11-20 11:18:26,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:26,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885593888] [2022-11-20 11:18:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:26,936 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:26,938 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:18:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:30,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:18:30,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2022-11-20 11:18:30,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:18:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-20 11:18:31,957 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:31,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885593888] [2022-11-20 11:18:31,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885593888] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:18:31,958 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:18:31,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-20 11:18:31,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945849702] [2022-11-20 11:18:31,958 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:18:31,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 11:18:31,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:31,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 11:18:31,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:18:31,961 INFO L87 Difference]: Start difference. First operand 2679 states and 3794 transitions. Second operand has 11 states, 9 states have (on average 9.666666666666666) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 11:18:33,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:33,454 INFO L93 Difference]: Finished difference Result 5357 states and 7599 transitions. [2022-11-20 11:18:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:18:33,455 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.666666666666666) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 179 [2022-11-20 11:18:33,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:33,475 INFO L225 Difference]: With dead ends: 5357 [2022-11-20 11:18:33,475 INFO L226 Difference]: Without dead ends: 2687 [2022-11-20 11:18:33,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 347 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:18:33,491 INFO L413 NwaCegarLoop]: 3778 mSDtfsCounter, 16 mSDsluCounter, 15079 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 18857 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:33,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 18857 Invalid, 139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:18:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2022-11-20 11:18:33,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2685. [2022-11-20 11:18:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 1837 states have (on average 1.3059335873707132) internal successors, (2399), 1863 states have internal predecessors, (2399), 700 states have call successors, (700), 147 states have call predecessors, (700), 147 states have return successors, (702), 695 states have call predecessors, (702), 699 states have call successors, (702) [2022-11-20 11:18:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 3801 transitions. [2022-11-20 11:18:33,725 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 3801 transitions. Word has length 179 [2022-11-20 11:18:33,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:33,726 INFO L495 AbstractCegarLoop]: Abstraction has 2685 states and 3801 transitions. [2022-11-20 11:18:33,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.666666666666666) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2022-11-20 11:18:33,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 3801 transitions. [2022-11-20 11:18:33,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-20 11:18:33,731 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:33,732 INFO L195 NwaCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:33,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:33,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:33,945 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash 731457197, now seen corresponding path program 2 times [2022-11-20 11:18:33,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:33,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242395622] [2022-11-20 11:18:33,949 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:18:33,949 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:33,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:33,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:33,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:18:36,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:18:36,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:18:36,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:18:36,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:37,088 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-11-20 11:18:37,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:18:37,089 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:37,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242395622] [2022-11-20 11:18:37,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242395622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:37,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:37,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:18:37,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401543709] [2022-11-20 11:18:37,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:37,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:18:37,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:37,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:18:37,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:18:37,091 INFO L87 Difference]: Start difference. First operand 2685 states and 3801 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:18:38,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:38,294 INFO L93 Difference]: Finished difference Result 7310 states and 10341 transitions. [2022-11-20 11:18:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:18:38,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 185 [2022-11-20 11:18:38,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:38,328 INFO L225 Difference]: With dead ends: 7310 [2022-11-20 11:18:38,328 INFO L226 Difference]: Without dead ends: 4661 [2022-11-20 11:18:38,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:18:38,344 INFO L413 NwaCegarLoop]: 4283 mSDtfsCounter, 2832 mSDsluCounter, 3612 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 7895 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:38,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 7895 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 11:18:38,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4661 states. [2022-11-20 11:18:38,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4661 to 4611. [2022-11-20 11:18:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4611 states, 3166 states have (on average 1.3104864181933038) internal successors, (4149), 3217 states have internal predecessors, (4149), 1186 states have call successors, (1186), 258 states have call predecessors, (1186), 258 states have return successors, (1191), 1170 states have call predecessors, (1191), 1185 states have call successors, (1191) [2022-11-20 11:18:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 6526 transitions. [2022-11-20 11:18:38,584 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 6526 transitions. Word has length 185 [2022-11-20 11:18:38,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:38,585 INFO L495 AbstractCegarLoop]: Abstraction has 4611 states and 6526 transitions. [2022-11-20 11:18:38,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 11:18:38,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 6526 transitions. [2022-11-20 11:18:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-20 11:18:38,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:38,596 INFO L195 NwaCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:38,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:38,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:38,818 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:38,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1580509997, now seen corresponding path program 1 times [2022-11-20 11:18:38,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:38,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931147820] [2022-11-20 11:18:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:38,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:38,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:38,822 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:18:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:18:42,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 2583 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 11:18:42,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 365 proven. 3 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-11-20 11:18:42,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:18:44,076 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2022-11-20 11:18:44,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:44,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931147820] [2022-11-20 11:18:44,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931147820] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:18:44,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:18:44,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-11-20 11:18:44,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910568674] [2022-11-20 11:18:44,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:18:44,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 11:18:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 11:18:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:18:44,080 INFO L87 Difference]: Start difference. First operand 4611 states and 6526 transitions. Second operand has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-11-20 11:18:46,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:46,863 INFO L93 Difference]: Finished difference Result 9226 states and 13075 transitions. [2022-11-20 11:18:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:18:46,874 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 263 [2022-11-20 11:18:46,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:46,915 INFO L225 Difference]: With dead ends: 9226 [2022-11-20 11:18:46,915 INFO L226 Difference]: Without dead ends: 4621 [2022-11-20 11:18:46,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 529 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-11-20 11:18:46,937 INFO L413 NwaCegarLoop]: 3779 mSDtfsCounter, 20 mSDsluCounter, 33934 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 37713 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:46,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 37713 Invalid, 303 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 11:18:46,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2022-11-20 11:18:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 4613. [2022-11-20 11:18:47,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4613 states, 3168 states have (on average 1.3109217171717171) internal successors, (4153), 3219 states have internal predecessors, (4153), 1186 states have call successors, (1186), 258 states have call predecessors, (1186), 258 states have return successors, (1191), 1170 states have call predecessors, (1191), 1185 states have call successors, (1191) [2022-11-20 11:18:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 4613 states and 6530 transitions. [2022-11-20 11:18:47,177 INFO L78 Accepts]: Start accepts. Automaton has 4613 states and 6530 transitions. Word has length 263 [2022-11-20 11:18:47,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:47,179 INFO L495 AbstractCegarLoop]: Abstraction has 4613 states and 6530 transitions. [2022-11-20 11:18:47,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 9.090909090909092) internal successors, (100), 13 states have internal predecessors, (100), 4 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-11-20 11:18:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4613 states and 6530 transitions. [2022-11-20 11:18:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 11:18:47,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:47,190 INFO L195 NwaCegarLoop]: trace histogram [18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:47,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:47,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:47,407 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:47,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:47,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1072689843, now seen corresponding path program 2 times [2022-11-20 11:18:47,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:47,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738843748] [2022-11-20 11:18:47,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:18:47,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:47,410 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:47,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:18:49,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:18:49,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:18:50,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:18:50,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:18:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-20 11:18:52,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:18:52,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:18:52,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1738843748] [2022-11-20 11:18:52,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1738843748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:18:52,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:18:52,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:18:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926778255] [2022-11-20 11:18:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:18:52,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:18:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:18:52,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:18:52,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:18:52,441 INFO L87 Difference]: Start difference. First operand 4613 states and 6530 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 11:18:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:18:52,767 INFO L93 Difference]: Finished difference Result 8950 states and 12701 transitions. [2022-11-20 11:18:52,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:18:52,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 269 [2022-11-20 11:18:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:18:52,852 INFO L225 Difference]: With dead ends: 8950 [2022-11-20 11:18:52,852 INFO L226 Difference]: Without dead ends: 8947 [2022-11-20 11:18:52,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:18:52,861 INFO L413 NwaCegarLoop]: 4803 mSDtfsCounter, 3558 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3558 SdHoareTripleChecker+Valid, 8495 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:18:52,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3558 Valid, 8495 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:18:52,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8947 states. [2022-11-20 11:18:53,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8947 to 8904. [2022-11-20 11:18:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8904 states, 6131 states have (on average 1.3131626162126897) internal successors, (8051), 6221 states have internal predecessors, (8051), 2272 states have call successors, (2272), 499 states have call predecessors, (2272), 500 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-11-20 11:18:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8904 states to 8904 states and 12623 transitions. [2022-11-20 11:18:53,402 INFO L78 Accepts]: Start accepts. Automaton has 8904 states and 12623 transitions. Word has length 269 [2022-11-20 11:18:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:18:53,403 INFO L495 AbstractCegarLoop]: Abstraction has 8904 states and 12623 transitions. [2022-11-20 11:18:53,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 11:18:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 8904 states and 12623 transitions. [2022-11-20 11:18:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-11-20 11:18:53,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:18:53,442 INFO L195 NwaCegarLoop]: trace histogram [18, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:18:53,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:18:53,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:53,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:18:53,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:18:53,667 INFO L85 PathProgramCache]: Analyzing trace with hash -322323588, now seen corresponding path program 1 times [2022-11-20 11:18:53,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:18:53,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262323586] [2022-11-20 11:18:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:18:53,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:18:53,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:18:53,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:18:53,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:19:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:19:03,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 7984 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:19:03,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:19:03,625 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2022-11-20 11:19:03,627 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:19:05,718 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2022-11-20 11:19:05,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:19:05,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262323586] [2022-11-20 11:19:05,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262323586] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:19:05,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:19:05,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-11-20 11:19:05,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001674306] [2022-11-20 11:19:05,719 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:19:05,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 11:19:05,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:19:05,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 11:19:05,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:19:05,722 INFO L87 Difference]: Start difference. First operand 8904 states and 12623 transitions. Second operand has 15 states, 13 states have (on average 25.76923076923077) internal successors, (335), 15 states have internal predecessors, (335), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2022-11-20 11:19:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:19:08,985 INFO L93 Difference]: Finished difference Result 17830 states and 25313 transitions. [2022-11-20 11:19:08,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 11:19:08,987 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 25.76923076923077) internal successors, (335), 15 states have internal predecessors, (335), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) Word has length 491 [2022-11-20 11:19:08,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:19:09,037 INFO L225 Difference]: With dead ends: 17830 [2022-11-20 11:19:09,037 INFO L226 Difference]: Without dead ends: 8932 [2022-11-20 11:19:09,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 967 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:19:09,079 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 33 mSDsluCounter, 33944 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 37724 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:19:09,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 37724 Invalid, 356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [21 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 11:19:09,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8932 states. [2022-11-20 11:19:09,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8932 to 8908. [2022-11-20 11:19:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8908 states, 6135 states have (on average 1.3136104319478403) internal successors, (8059), 6225 states have internal predecessors, (8059), 2272 states have call successors, (2272), 499 states have call predecessors, (2272), 500 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-11-20 11:19:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8908 states to 8908 states and 12631 transitions. [2022-11-20 11:19:09,535 INFO L78 Accepts]: Start accepts. Automaton has 8908 states and 12631 transitions. Word has length 491 [2022-11-20 11:19:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:19:09,535 INFO L495 AbstractCegarLoop]: Abstraction has 8908 states and 12631 transitions. [2022-11-20 11:19:09,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 25.76923076923077) internal successors, (335), 15 states have internal predecessors, (335), 4 states have call successors, (101), 2 states have call predecessors, (101), 5 states have return successors, (100), 4 states have call predecessors, (100), 4 states have call successors, (100) [2022-11-20 11:19:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8908 states and 12631 transitions. [2022-11-20 11:19:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2022-11-20 11:19:09,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:19:09,573 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:19:09,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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 11:19:09,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:09,793 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:19:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:19:09,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1681932982, now seen corresponding path program 2 times [2022-11-20 11:19:09,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:19:09,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173282883] [2022-11-20 11:19:09,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:19:09,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:09,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:19:09,798 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:19:09,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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 11:19:13,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:19:13,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:19:13,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:19:13,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:19:13,928 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked. [2022-11-20 11:19:13,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:19:13,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:19:13,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173282883] [2022-11-20 11:19:13,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173282883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:19:13,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:19:13,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:19:13,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104155868] [2022-11-20 11:19:13,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:19:13,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:19:13,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:19:13,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:19:13,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:19:13,932 INFO L87 Difference]: Start difference. First operand 8908 states and 12631 transitions. Second operand has 5 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-11-20 11:19:14,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:19:14,523 INFO L93 Difference]: Finished difference Result 12252 states and 17919 transitions. [2022-11-20 11:19:14,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:19:14,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 497 [2022-11-20 11:19:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:19:14,589 INFO L225 Difference]: With dead ends: 12252 [2022-11-20 11:19:14,589 INFO L226 Difference]: Without dead ends: 12249 [2022-11-20 11:19:14,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 493 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:19:14,600 INFO L413 NwaCegarLoop]: 5442 mSDtfsCounter, 1077 mSDsluCounter, 14933 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 20375 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:19:14,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 20375 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:19:14,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12249 states. [2022-11-20 11:19:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12249 to 8916. [2022-11-20 11:19:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8916 states, 6141 states have (on average 1.3133040221462302) internal successors, (8065), 6231 states have internal predecessors, (8065), 2272 states have call successors, (2272), 501 states have call predecessors, (2272), 502 states have return successors, (2300), 2246 states have call predecessors, (2300), 2271 states have call successors, (2300) [2022-11-20 11:19:15,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8916 states to 8916 states and 12637 transitions. [2022-11-20 11:19:15,215 INFO L78 Accepts]: Start accepts. Automaton has 8916 states and 12637 transitions. Word has length 497 [2022-11-20 11:19:15,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:19:15,221 INFO L495 AbstractCegarLoop]: Abstraction has 8916 states and 12637 transitions. [2022-11-20 11:19:15,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2022-11-20 11:19:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8916 states and 12637 transitions. [2022-11-20 11:19:15,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-11-20 11:19:15,261 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:19:15,262 INFO L195 NwaCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:19:15,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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 11:19:15,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:15,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:19:15,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:19:15,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2077692067, now seen corresponding path program 1 times [2022-11-20 11:19:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:19:15,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867261751] [2022-11-20 11:19:15,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:19:15,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:19:15,484 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:19:15,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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 11:19:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:19:28,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 8153 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:19:28,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:19:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 413 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-11-20 11:19:28,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:19:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 95 proven. 72 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2022-11-20 11:19:31,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:19:31,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867261751] [2022-11-20 11:19:31,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867261751] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:19:31,196 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:19:31,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-11-20 11:19:31,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944574372] [2022-11-20 11:19:31,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:19:31,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 11:19:31,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:19:31,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 11:19:31,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:19:31,199 INFO L87 Difference]: Start difference. First operand 8916 states and 12637 transitions. Second operand has 17 states, 15 states have (on average 23.533333333333335) internal successors, (353), 17 states have internal predecessors, (353), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-11-20 11:19:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:19:35,126 INFO L93 Difference]: Finished difference Result 17865 states and 25366 transitions. [2022-11-20 11:19:35,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 11:19:35,128 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 23.533333333333335) internal successors, (353), 17 states have internal predecessors, (353), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) Word has length 513 [2022-11-20 11:19:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:19:35,180 INFO L225 Difference]: With dead ends: 17865 [2022-11-20 11:19:35,180 INFO L226 Difference]: Without dead ends: 8958 [2022-11-20 11:19:35,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 1009 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-11-20 11:19:35,218 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 81 mSDsluCounter, 37723 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 41503 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:19:35,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 41503 Invalid, 447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 11:19:35,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8958 states. [2022-11-20 11:19:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8958 to 8928. [2022-11-20 11:19:35,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8928 states, 6152 states have (on average 1.3140442132639791) internal successors, (8084), 6242 states have internal predecessors, (8084), 2272 states have call successors, (2272), 502 states have call predecessors, (2272), 503 states have return successors, (2303), 2246 states have call predecessors, (2303), 2271 states have call successors, (2303) [2022-11-20 11:19:35,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8928 states to 8928 states and 12659 transitions. [2022-11-20 11:19:35,840 INFO L78 Accepts]: Start accepts. Automaton has 8928 states and 12659 transitions. Word has length 513 [2022-11-20 11:19:35,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:19:35,840 INFO L495 AbstractCegarLoop]: Abstraction has 8928 states and 12659 transitions. [2022-11-20 11:19:35,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 23.533333333333335) internal successors, (353), 17 states have internal predecessors, (353), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-11-20 11:19:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8928 states and 12659 transitions. [2022-11-20 11:19:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-11-20 11:19:35,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:19:35,879 INFO L195 NwaCegarLoop]: trace histogram [26, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:19:36,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/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 11:19:36,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:36,103 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:19:36,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:19:36,103 INFO L85 PathProgramCache]: Analyzing trace with hash 10156133, now seen corresponding path program 2 times [2022-11-20 11:19:36,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:19:36,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122707630] [2022-11-20 11:19:36,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:19:36,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:19:36,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:19:36,110 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:19:36,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 11:23:30,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:23:30,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:23:31,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 8175 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 11:23:31,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:23:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 459 proven. 15 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-11-20 11:23:32,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:23:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 827 backedges. 110 proven. 93 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2022-11-20 11:23:35,059 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:23:35,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122707630] [2022-11-20 11:23:35,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122707630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:23:35,060 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:23:35,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2022-11-20 11:23:35,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306812793] [2022-11-20 11:23:35,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:23:35,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 11:23:35,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:23:35,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 11:23:35,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:23:35,063 INFO L87 Difference]: Start difference. First operand 8928 states and 12659 transitions. Second operand has 19 states, 17 states have (on average 20.88235294117647) internal successors, (355), 19 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-11-20 11:23:39,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:23:39,190 INFO L93 Difference]: Finished difference Result 17883 states and 25397 transitions. [2022-11-20 11:23:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 11:23:39,191 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 20.88235294117647) internal successors, (355), 19 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) Word has length 515 [2022-11-20 11:23:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:23:39,240 INFO L225 Difference]: With dead ends: 17883 [2022-11-20 11:23:39,240 INFO L226 Difference]: Without dead ends: 8970 [2022-11-20 11:23:39,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1011 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2022-11-20 11:23:39,276 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 79 mSDsluCounter, 37728 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 41508 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:23:39,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 41508 Invalid, 502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [46 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 11:23:39,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8970 states. [2022-11-20 11:23:39,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8970 to 8932. [2022-11-20 11:23:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 6156 states have (on average 1.3144899285250162) internal successors, (8092), 6246 states have internal predecessors, (8092), 2272 states have call successors, (2272), 502 states have call predecessors, (2272), 503 states have return successors, (2303), 2246 states have call predecessors, (2303), 2271 states have call successors, (2303) [2022-11-20 11:23:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 12667 transitions. [2022-11-20 11:23:39,717 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 12667 transitions. Word has length 515 [2022-11-20 11:23:39,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:23:39,718 INFO L495 AbstractCegarLoop]: Abstraction has 8932 states and 12667 transitions. [2022-11-20 11:23:39,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 20.88235294117647) internal successors, (355), 19 states have internal predecessors, (355), 4 states have call successors, (103), 2 states have call predecessors, (103), 5 states have return successors, (101), 4 states have call predecessors, (101), 4 states have call successors, (101) [2022-11-20 11:23:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 12667 transitions. [2022-11-20 11:23:39,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2022-11-20 11:23:39,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:23:39,747 INFO L195 NwaCegarLoop]: trace histogram [28, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:23:39,962 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forcibly destroying the process [2022-11-20 11:23:39,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 11:23:39,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:39,981 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:23:39,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:23:39,981 INFO L85 PathProgramCache]: Analyzing trace with hash -140850205, now seen corresponding path program 3 times [2022-11-20 11:23:39,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:23:39,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199700172] [2022-11-20 11:23:39,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:23:39,986 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:23:39,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:23:40,014 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:23:40,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 11:26:25,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 11:26:25,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:26:25,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 3450 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:26:26,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-11-20 11:26:26,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:26:26,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:26,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199700172] [2022-11-20 11:26:26,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199700172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:26,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:26,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:26:26,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590676146] [2022-11-20 11:26:26,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:26,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:26:26,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:26,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:26:26,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:26,107 INFO L87 Difference]: Start difference. First operand 8932 states and 12667 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 11:26:26,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:26,966 INFO L93 Difference]: Finished difference Result 24688 states and 34953 transitions. [2022-11-20 11:26:26,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:26:26,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 517 [2022-11-20 11:26:26,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:27,050 INFO L225 Difference]: With dead ends: 24688 [2022-11-20 11:26:27,050 INFO L226 Difference]: Without dead ends: 15798 [2022-11-20 11:26:27,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:26:27,093 INFO L413 NwaCegarLoop]: 5343 mSDtfsCounter, 3040 mSDsluCounter, 3696 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 9039 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:27,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 9039 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:26:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15798 states. [2022-11-20 11:26:27,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15798 to 15789. [2022-11-20 11:26:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15789 states, 10884 states have (on average 1.3136714443219404) internal successors, (14298), 11032 states have internal predecessors, (14298), 3985 states have call successors, (3985), 914 states have call predecessors, (3985), 919 states have return successors, (4045), 3948 states have call predecessors, (4045), 3984 states have call successors, (4045) [2022-11-20 11:26:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15789 states to 15789 states and 22328 transitions. [2022-11-20 11:26:28,056 INFO L78 Accepts]: Start accepts. Automaton has 15789 states and 22328 transitions. Word has length 517 [2022-11-20 11:26:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:28,057 INFO L495 AbstractCegarLoop]: Abstraction has 15789 states and 22328 transitions. [2022-11-20 11:26:28,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-11-20 11:26:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 15789 states and 22328 transitions. [2022-11-20 11:26:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-11-20 11:26:28,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:28,106 INFO L195 NwaCegarLoop]: trace histogram [28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:28,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:28,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:28,335 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:28,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:28,335 INFO L85 PathProgramCache]: Analyzing trace with hash 316071717, now seen corresponding path program 1 times [2022-11-20 11:26:28,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:28,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813146450] [2022-11-20 11:26:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:28,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:28,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:28,342 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:28,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 11:26:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:41,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 8301 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:26:41,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:26:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 563 proven. 21 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-11-20 11:26:42,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:26:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 976 backedges. 125 proven. 117 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2022-11-20 11:26:45,566 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:26:45,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813146450] [2022-11-20 11:26:45,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813146450] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:26:45,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:26:45,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2022-11-20 11:26:45,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392683153] [2022-11-20 11:26:45,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:26:45,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 11:26:45,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:26:45,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 11:26:45,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=342, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:26:45,570 INFO L87 Difference]: Start difference. First operand 15789 states and 22328 transitions. Second operand has 21 states, 19 states have (on average 19.57894736842105) internal successors, (372), 21 states have internal predecessors, (372), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) [2022-11-20 11:26:50,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:50,291 INFO L93 Difference]: Finished difference Result 31665 states and 44871 transitions. [2022-11-20 11:26:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 11:26:50,292 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 19.57894736842105) internal successors, (372), 21 states have internal predecessors, (372), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) Word has length 552 [2022-11-20 11:26:50,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:50,369 INFO L225 Difference]: With dead ends: 31665 [2022-11-20 11:26:50,369 INFO L226 Difference]: Without dead ends: 15891 [2022-11-20 11:26:50,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1110 GetRequests, 1083 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-11-20 11:26:50,425 INFO L413 NwaCegarLoop]: 3781 mSDtfsCounter, 95 mSDsluCounter, 33967 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 37748 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:50,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 37748 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-20 11:26:50,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15891 states. [2022-11-20 11:26:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15891 to 15797. [2022-11-20 11:26:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15797 states, 10892 states have (on average 1.3141755416819685) internal successors, (14314), 11040 states have internal predecessors, (14314), 3985 states have call successors, (3985), 914 states have call predecessors, (3985), 919 states have return successors, (4045), 3948 states have call predecessors, (4045), 3984 states have call successors, (4045) [2022-11-20 11:26:51,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15797 states to 15797 states and 22344 transitions. [2022-11-20 11:26:51,238 INFO L78 Accepts]: Start accepts. Automaton has 15797 states and 22344 transitions. Word has length 552 [2022-11-20 11:26:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:51,239 INFO L495 AbstractCegarLoop]: Abstraction has 15797 states and 22344 transitions. [2022-11-20 11:26:51,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 19.57894736842105) internal successors, (372), 21 states have internal predecessors, (372), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) [2022-11-20 11:26:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15797 states and 22344 transitions. [2022-11-20 11:26:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-11-20 11:26:51,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:51,284 INFO L195 NwaCegarLoop]: trace histogram [30, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:51,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 11:26:51,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:51,499 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:26:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1946839203, now seen corresponding path program 2 times [2022-11-20 11:26:51,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:26:51,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679194315] [2022-11-20 11:26:51,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:26:51,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:26:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:26:51,504 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:26:51,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 11:30:01,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 11:30:01,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:30:02,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 8323 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 11:30:02,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:30:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 613 proven. 28 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-11-20 11:30:02,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:30:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 140 proven. 144 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2022-11-20 11:30:06,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:30:06,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679194315] [2022-11-20 11:30:06,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679194315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:30:06,865 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:30:06,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2022-11-20 11:30:06,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669977057] [2022-11-20 11:30:06,865 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:30:06,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 11:30:06,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:30:06,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 11:30:06,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2022-11-20 11:30:06,868 INFO L87 Difference]: Start difference. First operand 15797 states and 22344 transitions. Second operand has 23 states, 21 states have (on average 17.80952380952381) internal successors, (374), 23 states have internal predecessors, (374), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) [2022-11-20 11:30:13,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:30:13,035 INFO L93 Difference]: Finished difference Result 31697 states and 44935 transitions. [2022-11-20 11:30:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 11:30:13,036 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 17.80952380952381) internal successors, (374), 23 states have internal predecessors, (374), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) Word has length 554 [2022-11-20 11:30:13,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:30:13,117 INFO L225 Difference]: With dead ends: 31697 [2022-11-20 11:30:13,117 INFO L226 Difference]: Without dead ends: 15915 [2022-11-20 11:30:13,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1115 GetRequests, 1085 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=193, Invalid=799, Unknown=0, NotChecked=0, Total=992 [2022-11-20 11:30:13,182 INFO L413 NwaCegarLoop]: 3782 mSDtfsCounter, 112 mSDsluCounter, 52838 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 56620 SdHoareTripleChecker+Invalid, 824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:30:13,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 56620 Invalid, 824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [49 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 11:30:13,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15915 states. [2022-11-20 11:30:14,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15915 to 15805. [2022-11-20 11:30:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15805 states, 10900 states have (on average 1.3146788990825689) internal successors, (14330), 11048 states have internal predecessors, (14330), 3985 states have call successors, (3985), 914 states have call predecessors, (3985), 919 states have return successors, (4045), 3948 states have call predecessors, (4045), 3984 states have call successors, (4045) [2022-11-20 11:30:14,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15805 states to 15805 states and 22360 transitions. [2022-11-20 11:30:14,163 INFO L78 Accepts]: Start accepts. Automaton has 15805 states and 22360 transitions. Word has length 554 [2022-11-20 11:30:14,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:30:14,163 INFO L495 AbstractCegarLoop]: Abstraction has 15805 states and 22360 transitions. [2022-11-20 11:30:14,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 17.80952380952381) internal successors, (374), 23 states have internal predecessors, (374), 4 states have call successors, (105), 2 states have call predecessors, (105), 5 states have return successors, (103), 4 states have call predecessors, (103), 4 states have call successors, (103) [2022-11-20 11:30:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 15805 states and 22360 transitions. [2022-11-20 11:30:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 557 [2022-11-20 11:30:14,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:30:14,344 INFO L195 NwaCegarLoop]: trace histogram [32, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:30:14,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-11-20 11:30:14,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:14,559 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:30:14,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:30:14,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1581519899, now seen corresponding path program 3 times [2022-11-20 11:30:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:30:14,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66124523] [2022-11-20 11:30:14,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 11:30:14,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:30:14,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:30:14,564 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:30:14,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_472b21cc-f676-44ba-9c15-2757911a796c/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process