./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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_46bde1c6-7af0-49bf-994a-986306a89564/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 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- 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 09:27:18,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:18,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:18,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:18,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:18,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:18,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:18,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:18,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:18,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:18,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:18,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:18,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:18,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:18,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:18,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:18,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:18,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:18,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:18,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:18,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:18,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:18,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:18,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:18,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:18,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:18,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:18,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:18,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:18,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:18,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:18,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:18,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:18,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:18,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:18,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:18,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:18,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:18,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:18,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:18,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:18,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:27:18,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:18,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:18,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:18,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:18,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:18,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:18,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:18,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:18,166 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:18,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:18,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:18,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:18,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:18,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:18,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:18,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:18,169 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:18,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:18,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:18,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:18,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:18,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:18,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:18,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:18,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:18,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:18,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:18,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:18,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:18,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:18,173 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_46bde1c6-7af0-49bf-994a-986306a89564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2022-11-20 09:27:18,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:18,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:18,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:18,500 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:18,501 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:18,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-11-20 09:27:21,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:22,258 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:22,258 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-11-20 09:27:22,309 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/510e192cd/0a1c24df9f55472098d80ba1121751d8/FLAGfbde7148b [2022-11-20 09:27:22,323 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/510e192cd/0a1c24df9f55472098d80ba1121751d8 [2022-11-20 09:27:22,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:22,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:22,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:22,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:22,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:22,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d86baf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22, skipping insertion in model container [2022-11-20 09:27:22,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:22,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:23,214 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 09:27:23,222 INFO L158 Benchmark]: Toolchain (without parser) took 892.79ms. Allocated memory is still 140.5MB. Free memory was 88.1MB in the beginning and 75.0MB in the end (delta: 13.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:23,223 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:23,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.48ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:23,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.48ms. Allocated memory is still 140.5MB. Free memory was 87.7MB in the beginning and 75.0MB in the end (delta: 12.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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_46bde1c6-7af0-49bf-994a-986306a89564/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 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- 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 09:27:25,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:25,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:25,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:25,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:25,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:25,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:25,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:25,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:25,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:25,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:25,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:25,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:25,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:25,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:25,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:25,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:25,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:25,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:25,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:25,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:25,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:25,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:25,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:25,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:25,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:25,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:25,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:25,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:25,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:25,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:25,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:25,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:25,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:25,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:25,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:25,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:25,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:25,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:25,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:25,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:25,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:27:25,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:25,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:25,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:25,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:25,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:25,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:25,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:25,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:25,698 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:25,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:25,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:25,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:25,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:25,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:25,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:27:25,700 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:27:25,700 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:27:25,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:25,701 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:25,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:25,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:25,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:25,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:25,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:25,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:25,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:25,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:25,702 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:27:25,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:27:25,703 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:25,703 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:25,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:25,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:27:25,703 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_46bde1c6-7af0-49bf-994a-986306a89564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2022-11-20 09:27:26,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:26,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:26,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:26,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:26,121 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:26,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-11-20 09:27:29,304 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:30,006 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:30,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-11-20 09:27:30,058 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/737c1bbac/cd04992831a747678b3ca252224839ab/FLAG641503df8 [2022-11-20 09:27:30,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/data/737c1bbac/cd04992831a747678b3ca252224839ab [2022-11-20 09:27:30,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:30,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:30,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:30,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:30,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:30,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:30" (1/1) ... [2022-11-20 09:27:30,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22da7edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:30, skipping insertion in model container [2022-11-20 09:27:30,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:30" (1/1) ... [2022-11-20 09:27:30,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:30,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:33,401 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-11-20 09:27:33,405 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-11-20 09:27:33,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:33,512 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:27:33,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:34,134 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-11-20 09:27:34,135 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-11-20 09:27:34,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:34,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:34,695 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-11-20 09:27:34,695 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_46bde1c6-7af0-49bf-994a-986306a89564/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-11-20 09:27:34,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:34,935 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:34,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34 WrapperNode [2022-11-20 09:27:34,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:34,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:34,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:34,937 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:34,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,233 INFO L138 Inliner]: procedures = 425, calls = 1751, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4034 [2022-11-20 09:27:35,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:35,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:35,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:35,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:35,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,552 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:35,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:35,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:35,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:35,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (1/1) ... [2022-11-20 09:27:35,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:35,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:35,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:35,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-11-20 09:27:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-11-20 09:27:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-20 09:27:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-20 09:27:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 09:27:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 09:27:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 09:27:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 09:27:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 09:27:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 09:27:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:27:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:27:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 09:27:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 09:27:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 09:27:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 09:27:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 09:27:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 09:27:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-20 09:27:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-20 09:27:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-11-20 09:27:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-11-20 09:27:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 09:27:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 09:27:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:27:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:27:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 09:27:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 09:27:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 09:27:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 09:27:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 09:27:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 09:27:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:27:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:27:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 09:27:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 09:27:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-11-20 09:27:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-11-20 09:27:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:27:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:27:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:27:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 09:27:35,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 09:27:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 09:27:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 09:27:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:27:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:27:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-11-20 09:27:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-11-20 09:27:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-11-20 09:27:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-11-20 09:27:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-11-20 09:27:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-11-20 09:27:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 09:27:35,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 09:27:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 09:27:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 09:27:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 09:27:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 09:27:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 09:27:35,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 09:27:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 09:27:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 09:27:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 09:27:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 09:27:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 09:27:35,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 09:27:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 09:27:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 09:27:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-11-20 09:27:35,734 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-11-20 09:27:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-11-20 09:27:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-11-20 09:27:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 09:27:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 09:27:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 09:27:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 09:27:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-11-20 09:27:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-11-20 09:27:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:27:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:27:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 09:27:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 09:27:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:27:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 09:27:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 09:27:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:35,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:27:35,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 09:27:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-20 09:27:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-20 09:27:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-20 09:27:35,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-20 09:27:35,739 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 09:27:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 09:27:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 09:27:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 09:27:35,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 09:27:35,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 09:27:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 09:27:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 09:27:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 09:27:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 09:27:35,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 09:27:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:35,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:27:35,746 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-11-20 09:27:35,746 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-11-20 09:27:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-11-20 09:27:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-11-20 09:27:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:27:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:27:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 09:27:35,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 09:27:35,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 09:27:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:27:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:27:35,756 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 09:27:35,756 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 09:27:35,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-11-20 09:27:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-11-20 09:27:35,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 09:27:35,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 09:27:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-20 09:27:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-20 09:27:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 09:27:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 09:27:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 09:27:35,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 09:27:35,759 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-20 09:27:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-20 09:27:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-11-20 09:27:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-11-20 09:27:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-11-20 09:27:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-11-20 09:27:35,760 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 09:27:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 09:27:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 09:27:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:27:35,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:27:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 09:27:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 09:27:35,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:27:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 09:27:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 09:27:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:27:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:27:35,763 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-11-20 09:27:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-11-20 09:27:35,764 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 09:27:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 09:27:35,764 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-11-20 09:27:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-11-20 09:27:35,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-11-20 09:27:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-11-20 09:27:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-11-20 09:27:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-11-20 09:27:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-11-20 09:27:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-11-20 09:27:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 09:27:35,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 09:27:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:27:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 09:27:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:27:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:27:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-11-20 09:27:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-11-20 09:27:35,766 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-11-20 09:27:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-11-20 09:27:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:27:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:27:35,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-20 09:27:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-20 09:27:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 09:27:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 09:27:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-11-20 09:27:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-11-20 09:27:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 09:27:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 09:27:36,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:36,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:45,300 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:28:21,332 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 09:28:21,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:28:21,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:28:21,409 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:28:21,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:21 BoogieIcfgContainer [2022-11-20 09:28:21,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:28:21,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:28:21,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:28:21,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:28:21,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:30" (1/3) ... [2022-11-20 09:28:21,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f10c790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:21, skipping insertion in model container [2022-11-20 09:28:21,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:34" (2/3) ... [2022-11-20 09:28:21,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f10c790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:21, skipping insertion in model container [2022-11-20 09:28:21,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:21" (3/3) ... [2022-11-20 09:28:21,422 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-11-20 09:28:21,440 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:28:21,441 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:28:21,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:28:21,537 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;@39bb67da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:28:21,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:28:21,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 1488 states, 1018 states have (on average 1.2888015717092338) internal successors, (1312), 1039 states have internal predecessors, (1312), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2022-11-20 09:28:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-20 09:28:21,611 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:21,612 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-11-20 09:28:21,612 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:21,617 INFO L85 PathProgramCache]: Analyzing trace with hash -549928391, now seen corresponding path program 1 times [2022-11-20 09:28:21,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:21,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836766615] [2022-11-20 09:28:21,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:21,632 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 09:28:21,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:21,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:21,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:22,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:22,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-20 09:28:23,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:23,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:23,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836766615] [2022-11-20 09:28:23,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836766615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:23,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:23,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:23,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220639005] [2022-11-20 09:28:23,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:23,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:23,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:23,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:23,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:23,249 INFO L87 Difference]: Start difference. First operand has 1488 states, 1018 states have (on average 1.2888015717092338) internal successors, (1312), 1039 states have internal predecessors, (1312), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:23,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:23,930 INFO L93 Difference]: Finished difference Result 4244 states and 6019 transitions. [2022-11-20 09:28:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:23,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-11-20 09:28:23,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:23,972 INFO L225 Difference]: With dead ends: 4244 [2022-11-20 09:28:23,973 INFO L226 Difference]: Without dead ends: 2697 [2022-11-20 09:28:23,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 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 09:28:23,994 INFO L413 NwaCegarLoop]: 2435 mSDtfsCounter, 1833 mSDsluCounter, 2008 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 4443 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:23,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 4443 Invalid, 53 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:28:24,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2697 states. [2022-11-20 09:28:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2697 to 2693. [2022-11-20 09:28:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 1863 states have (on average 1.2839506172839505) internal successors, (2392), 1902 states have internal predecessors, (2392), 681 states have call successors, (681), 149 states have call predecessors, (681), 148 states have return successors, (682), 666 states have call predecessors, (682), 681 states have call successors, (682) [2022-11-20 09:28:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 3755 transitions. [2022-11-20 09:28:24,293 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 3755 transitions. Word has length 197 [2022-11-20 09:28:24,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:24,297 INFO L495 AbstractCegarLoop]: Abstraction has 2693 states and 3755 transitions. [2022-11-20 09:28:24,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:24,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3755 transitions. [2022-11-20 09:28:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-11-20 09:28:24,309 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:24,310 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-11-20 09:28:24,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:24,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:24,532 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:24,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:24,532 INFO L85 PathProgramCache]: Analyzing trace with hash -37431454, now seen corresponding path program 1 times [2022-11-20 09:28:24,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:24,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1754477634] [2022-11-20 09:28:24,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:24,567 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 09:28:24,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:24,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:24,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:25,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:25,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2022-11-20 09:28:25,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:25,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:25,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1754477634] [2022-11-20 09:28:25,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1754477634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:25,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:25,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:25,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414241756] [2022-11-20 09:28:25,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:25,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:25,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:25,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:25,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:25,856 INFO L87 Difference]: Start difference. First operand 2693 states and 3755 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:26,438 INFO L93 Difference]: Finished difference Result 7953 states and 11102 transitions. [2022-11-20 09:28:26,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:26,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 185 [2022-11-20 09:28:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:26,476 INFO L225 Difference]: With dead ends: 7953 [2022-11-20 09:28:26,477 INFO L226 Difference]: Without dead ends: 5283 [2022-11-20 09:28:26,490 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 09:28:26,491 INFO L413 NwaCegarLoop]: 2369 mSDtfsCounter, 1938 mSDsluCounter, 1950 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1938 SdHoareTripleChecker+Valid, 4319 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:26,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1938 Valid, 4319 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:28:26,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2022-11-20 09:28:26,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 5277. [2022-11-20 09:28:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5277 states, 3653 states have (on average 1.286339994525048) internal successors, (4699), 3736 states have internal predecessors, (4699), 1330 states have call successors, (1330), 298 states have call predecessors, (1330), 293 states have return successors, (1337), 1292 states have call predecessors, (1337), 1330 states have call successors, (1337) [2022-11-20 09:28:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 5277 states and 7366 transitions. [2022-11-20 09:28:26,813 INFO L78 Accepts]: Start accepts. Automaton has 5277 states and 7366 transitions. Word has length 185 [2022-11-20 09:28:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:26,815 INFO L495 AbstractCegarLoop]: Abstraction has 5277 states and 7366 transitions. [2022-11-20 09:28:26,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 5277 states and 7366 transitions. [2022-11-20 09:28:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-20 09:28:26,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:26,823 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-11-20 09:28:26,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:27,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:27,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:27,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash 2037197722, now seen corresponding path program 1 times [2022-11-20 09:28:27,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:27,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947506832] [2022-11-20 09:28:27,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:27,082 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 09:28:27,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:27,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:27,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:28,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:28,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-11-20 09:28:28,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:28,503 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:28,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947506832] [2022-11-20 09:28:28,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947506832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:28,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:28,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:28,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364235621] [2022-11-20 09:28:28,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:28,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:28,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:28,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:28,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:28,506 INFO L87 Difference]: Start difference. First operand 5277 states and 7366 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:29,381 INFO L93 Difference]: Finished difference Result 13752 states and 19214 transitions. [2022-11-20 09:28:29,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:29,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 196 [2022-11-20 09:28:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:29,441 INFO L225 Difference]: With dead ends: 13752 [2022-11-20 09:28:29,441 INFO L226 Difference]: Without dead ends: 8498 [2022-11-20 09:28:29,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 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 09:28:29,472 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 1288 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 4765 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:29,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 4765 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:28:29,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8498 states. [2022-11-20 09:28:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8498 to 8492. [2022-11-20 09:28:30,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8492 states, 5940 states have (on average 1.2922558922558922) internal successors, (7676), 6061 states have internal predecessors, (7676), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 487 states have return successors, (2071), 2014 states have call predecessors, (2071), 2064 states have call successors, (2071) [2022-11-20 09:28:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8492 states to 8492 states and 11811 transitions. [2022-11-20 09:28:30,157 INFO L78 Accepts]: Start accepts. Automaton has 8492 states and 11811 transitions. Word has length 196 [2022-11-20 09:28:30,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:30,158 INFO L495 AbstractCegarLoop]: Abstraction has 8492 states and 11811 transitions. [2022-11-20 09:28:30,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-20 09:28:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 8492 states and 11811 transitions. [2022-11-20 09:28:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-20 09:28:30,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:30,175 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-11-20 09:28:30,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:30,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:30,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:30,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash -92659122, now seen corresponding path program 1 times [2022-11-20 09:28:30,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:30,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630820669] [2022-11-20 09:28:30,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:30,406 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 09:28:30,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:30,407 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:30,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:31,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:28:32,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:32,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:32,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630820669] [2022-11-20 09:28:32,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630820669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:32,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:32,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:28:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430025852] [2022-11-20 09:28:32,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:32,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:32,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:32,507 INFO L87 Difference]: Start difference. First operand 8492 states and 11811 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:33,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:33,188 INFO L93 Difference]: Finished difference Result 16961 states and 23590 transitions. [2022-11-20 09:28:33,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:33,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 266 [2022-11-20 09:28:33,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:33,247 INFO L225 Difference]: With dead ends: 16961 [2022-11-20 09:28:33,247 INFO L226 Difference]: Without dead ends: 8492 [2022-11-20 09:28:33,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 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 09:28:33,285 INFO L413 NwaCegarLoop]: 2005 mSDtfsCounter, 1947 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:33,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1947 Valid, 2005 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:28:33,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8492 states. [2022-11-20 09:28:34,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8492 to 8492. [2022-11-20 09:28:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8492 states, 5940 states have (on average 1.290909090909091) internal successors, (7668), 6061 states have internal predecessors, (7668), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 487 states have return successors, (2071), 2014 states have call predecessors, (2071), 2064 states have call successors, (2071) [2022-11-20 09:28:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8492 states to 8492 states and 11803 transitions. [2022-11-20 09:28:34,117 INFO L78 Accepts]: Start accepts. Automaton has 8492 states and 11803 transitions. Word has length 266 [2022-11-20 09:28:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:34,118 INFO L495 AbstractCegarLoop]: Abstraction has 8492 states and 11803 transitions. [2022-11-20 09:28:34,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:34,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8492 states and 11803 transitions. [2022-11-20 09:28:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-20 09:28:34,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:34,129 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-11-20 09:28:34,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:34,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:34,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:34,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:34,352 INFO L85 PathProgramCache]: Analyzing trace with hash -248639664, now seen corresponding path program 1 times [2022-11-20 09:28:34,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:34,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253468215] [2022-11-20 09:28:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:34,355 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 09:28:34,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:34,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:34,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:35,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:35,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:28:36,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:36,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:36,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253468215] [2022-11-20 09:28:36,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253468215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:36,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:36,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:28:36,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644533596] [2022-11-20 09:28:36,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:36,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:36,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:36,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:36,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:36,287 INFO L87 Difference]: Start difference. First operand 8492 states and 11803 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:36,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:37,057 INFO L93 Difference]: Finished difference Result 16961 states and 23574 transitions. [2022-11-20 09:28:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 266 [2022-11-20 09:28:37,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:37,118 INFO L225 Difference]: With dead ends: 16961 [2022-11-20 09:28:37,118 INFO L226 Difference]: Without dead ends: 8492 [2022-11-20 09:28:37,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 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 09:28:37,153 INFO L413 NwaCegarLoop]: 2004 mSDtfsCounter, 1945 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 2004 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:37,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 2004 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:28:37,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8492 states. [2022-11-20 09:28:38,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8492 to 8492. [2022-11-20 09:28:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8492 states, 5940 states have (on average 1.2895622895622896) internal successors, (7660), 6061 states have internal predecessors, (7660), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 487 states have return successors, (2071), 2014 states have call predecessors, (2071), 2064 states have call successors, (2071) [2022-11-20 09:28:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8492 states to 8492 states and 11795 transitions. [2022-11-20 09:28:38,084 INFO L78 Accepts]: Start accepts. Automaton has 8492 states and 11795 transitions. Word has length 266 [2022-11-20 09:28:38,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:38,085 INFO L495 AbstractCegarLoop]: Abstraction has 8492 states and 11795 transitions. [2022-11-20 09:28:38,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 8492 states and 11795 transitions. [2022-11-20 09:28:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-20 09:28:38,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:38,101 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-11-20 09:28:38,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:38,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:38,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:38,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:38,315 INFO L85 PathProgramCache]: Analyzing trace with hash 161970702, now seen corresponding path program 1 times [2022-11-20 09:28:38,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:38,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456789456] [2022-11-20 09:28:38,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:38,318 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 09:28:38,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:38,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:38,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:39,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1601 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:39,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:40,225 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:28:40,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:40,226 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:40,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456789456] [2022-11-20 09:28:40,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456789456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:40,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:40,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:28:40,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505341852] [2022-11-20 09:28:40,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:40,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:40,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:40,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:40,229 INFO L87 Difference]: Start difference. First operand 8492 states and 11795 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:41,115 INFO L93 Difference]: Finished difference Result 16953 states and 23550 transitions. [2022-11-20 09:28:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:41,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 266 [2022-11-20 09:28:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:41,160 INFO L225 Difference]: With dead ends: 16953 [2022-11-20 09:28:41,161 INFO L226 Difference]: Without dead ends: 8484 [2022-11-20 09:28:41,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 264 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 09:28:41,189 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 1939 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 1996 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:41,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 1996 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:28:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8484 states. [2022-11-20 09:28:41,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8484 to 8484. [2022-11-20 09:28:41,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8484 states, 5932 states have (on average 1.284558327714093) internal successors, (7620), 6053 states have internal predecessors, (7620), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 487 states have return successors, (2071), 2014 states have call predecessors, (2071), 2064 states have call successors, (2071) [2022-11-20 09:28:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8484 states to 8484 states and 11755 transitions. [2022-11-20 09:28:42,044 INFO L78 Accepts]: Start accepts. Automaton has 8484 states and 11755 transitions. Word has length 266 [2022-11-20 09:28:42,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:42,045 INFO L495 AbstractCegarLoop]: Abstraction has 8484 states and 11755 transitions. [2022-11-20 09:28:42,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 09:28:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 8484 states and 11755 transitions. [2022-11-20 09:28:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 09:28:42,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:42,057 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-11-20 09:28:42,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:42,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:42,272 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:42,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:42,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1888357641, now seen corresponding path program 1 times [2022-11-20 09:28:42,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:42,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549832362] [2022-11-20 09:28:42,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:42,274 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 09:28:42,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:42,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:42,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:43,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:43,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-11-20 09:28:43,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:43,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:43,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549832362] [2022-11-20 09:28:43,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549832362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:43,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:43,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:43,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851474930] [2022-11-20 09:28:43,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:43,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:43,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:43,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:43,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:43,671 INFO L87 Difference]: Start difference. First operand 8484 states and 11755 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:28:45,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:45,265 INFO L93 Difference]: Finished difference Result 20186 states and 27992 transitions. [2022-11-20 09:28:45,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:45,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 269 [2022-11-20 09:28:45,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:45,314 INFO L225 Difference]: With dead ends: 20186 [2022-11-20 09:28:45,315 INFO L226 Difference]: Without dead ends: 11725 [2022-11-20 09:28:45,341 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 09:28:45,342 INFO L413 NwaCegarLoop]: 3276 mSDtfsCounter, 1277 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:45,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 5211 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:28:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11725 states. [2022-11-20 09:28:46,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11725 to 11719. [2022-11-20 09:28:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11719 states, 8223 states have (on average 1.2862702176821112) internal successors, (10577), 8382 states have internal predecessors, (10577), 2810 states have call successors, (2810), 690 states have call predecessors, (2810), 685 states have return successors, (2817), 2748 states have call predecessors, (2817), 2810 states have call successors, (2817) [2022-11-20 09:28:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11719 states to 11719 states and 16204 transitions. [2022-11-20 09:28:46,580 INFO L78 Accepts]: Start accepts. Automaton has 11719 states and 16204 transitions. Word has length 269 [2022-11-20 09:28:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:46,581 INFO L495 AbstractCegarLoop]: Abstraction has 11719 states and 16204 transitions. [2022-11-20 09:28:46,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 09:28:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 11719 states and 16204 transitions. [2022-11-20 09:28:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-20 09:28:46,595 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:46,595 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:28:46,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:46,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:46,812 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:46,813 INFO L85 PathProgramCache]: Analyzing trace with hash -49576233, now seen corresponding path program 1 times [2022-11-20 09:28:46,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:46,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489446905] [2022-11-20 09:28:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:46,815 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 09:28:46,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:46,817 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:46,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:48,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-20 09:28:48,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:48,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489446905] [2022-11-20 09:28:48,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489446905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:48,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:48,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:48,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126723955] [2022-11-20 09:28:48,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:48,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:48,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:48,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:48,562 INFO L87 Difference]: Start difference. First operand 11719 states and 16204 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 09:28:49,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:49,733 INFO L93 Difference]: Finished difference Result 26624 states and 36830 transitions. [2022-11-20 09:28:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 343 [2022-11-20 09:28:49,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:49,812 INFO L225 Difference]: With dead ends: 26624 [2022-11-20 09:28:49,813 INFO L226 Difference]: Without dead ends: 14928 [2022-11-20 09:28:49,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 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 09:28:49,859 INFO L413 NwaCegarLoop]: 3264 mSDtfsCounter, 1281 mSDsluCounter, 1942 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 5206 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:49,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1281 Valid, 5206 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:28:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14928 states. [2022-11-20 09:28:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14928 to 14922. [2022-11-20 09:28:51,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14922 states, 10494 states have (on average 1.287783495330665) internal successors, (13514), 10691 states have internal predecessors, (13514), 3544 states have call successors, (3544), 888 states have call predecessors, (3544), 883 states have return successors, (3551), 3470 states have call predecessors, (3551), 3544 states have call successors, (3551) [2022-11-20 09:28:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14922 states to 14922 states and 20609 transitions. [2022-11-20 09:28:51,564 INFO L78 Accepts]: Start accepts. Automaton has 14922 states and 20609 transitions. Word has length 343 [2022-11-20 09:28:51,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:51,565 INFO L495 AbstractCegarLoop]: Abstraction has 14922 states and 20609 transitions. [2022-11-20 09:28:51,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 09:28:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 14922 states and 20609 transitions. [2022-11-20 09:28:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-20 09:28:51,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:51,583 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:28:51,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:51,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:51,796 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:51,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:51,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1668551147, now seen corresponding path program 1 times [2022-11-20 09:28:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:51,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392395198] [2022-11-20 09:28:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:51,800 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 09:28:51,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:51,801 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:51,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:53,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1744 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:53,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:53,477 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-20 09:28:53,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:53,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:53,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392395198] [2022-11-20 09:28:53,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392395198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:53,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:53,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:53,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767777593] [2022-11-20 09:28:53,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:53,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:53,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:53,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:53,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:53,482 INFO L87 Difference]: Start difference. First operand 14922 states and 20609 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 09:28:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:55,087 INFO L93 Difference]: Finished difference Result 33192 states and 45863 transitions. [2022-11-20 09:28:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:28:55,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 343 [2022-11-20 09:28:55,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:55,199 INFO L225 Difference]: With dead ends: 33192 [2022-11-20 09:28:55,200 INFO L226 Difference]: Without dead ends: 18293 [2022-11-20 09:28:55,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 341 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 09:28:55,283 INFO L413 NwaCegarLoop]: 3324 mSDtfsCounter, 1652 mSDsluCounter, 1666 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4990 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:55,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 4990 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:28:55,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18293 states. [2022-11-20 09:28:56,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18293 to 18287. [2022-11-20 09:28:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18287 states, 12878 states have (on average 1.2873116943624787) internal successors, (16578), 13116 states have internal predecessors, (16578), 4320 states have call successors, (4320), 1093 states have call predecessors, (4320), 1088 states have return successors, (4327), 4232 states have call predecessors, (4327), 4320 states have call successors, (4327) [2022-11-20 09:28:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18287 states to 18287 states and 25225 transitions. [2022-11-20 09:28:56,812 INFO L78 Accepts]: Start accepts. Automaton has 18287 states and 25225 transitions. Word has length 343 [2022-11-20 09:28:56,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:56,813 INFO L495 AbstractCegarLoop]: Abstraction has 18287 states and 25225 transitions. [2022-11-20 09:28:56,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 09:28:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 18287 states and 25225 transitions. [2022-11-20 09:28:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-20 09:28:56,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:56,826 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 09:28:56,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:57,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:57,050 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:28:57,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:57,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1917506097, now seen corresponding path program 1 times [2022-11-20 09:28:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:28:57,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [80314889] [2022-11-20 09:28:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:57,053 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 09:28:57,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:28:57,054 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:57,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:28:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:58,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:28:58,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:28:58,975 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 741 trivial. 0 not checked. [2022-11-20 09:28:58,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:28:58,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:28:58,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [80314889] [2022-11-20 09:28:58,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [80314889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:58,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:58,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:28:58,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794482914] [2022-11-20 09:28:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:58,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:28:58,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:28:58,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:28:58,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:28:58,979 INFO L87 Difference]: Start difference. First operand 18287 states and 25225 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-20 09:29:00,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:00,979 INFO L93 Difference]: Finished difference Result 49223 states and 67481 transitions. [2022-11-20 09:29:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:00,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 401 [2022-11-20 09:29:00,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:01,130 INFO L225 Difference]: With dead ends: 49223 [2022-11-20 09:29:01,130 INFO L226 Difference]: Without dead ends: 30959 [2022-11-20 09:29:01,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 399 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 09:29:01,213 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 1774 mSDsluCounter, 1932 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 4702 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:01,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 4702 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:29:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30959 states. [2022-11-20 09:29:03,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30959 to 30933. [2022-11-20 09:29:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30933 states, 21932 states have (on average 1.2779500273572861) internal successors, (28028), 22358 states have internal predecessors, (28028), 7090 states have call successors, (7090), 1923 states have call predecessors, (7090), 1910 states have return successors, (7105), 6908 states have call predecessors, (7105), 7090 states have call successors, (7105) [2022-11-20 09:29:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30933 states to 30933 states and 42223 transitions. [2022-11-20 09:29:04,076 INFO L78 Accepts]: Start accepts. Automaton has 30933 states and 42223 transitions. Word has length 401 [2022-11-20 09:29:04,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:04,077 INFO L495 AbstractCegarLoop]: Abstraction has 30933 states and 42223 transitions. [2022-11-20 09:29:04,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (57), 3 states have call predecessors, (57), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-11-20 09:29:04,077 INFO L276 IsEmpty]: Start isEmpty. Operand 30933 states and 42223 transitions. [2022-11-20 09:29:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-11-20 09:29:04,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:04,099 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:29:04,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:29:04,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:29:04,312 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:29:04,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1292096888, now seen corresponding path program 1 times [2022-11-20 09:29:04,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:29:04,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720921982] [2022-11-20 09:29:04,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:04,316 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 09:29:04,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:29:04,318 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:29:04,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde1c6-7af0-49bf-994a-986306a89564/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 09:29:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:06,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 2310 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:06,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-11-20 09:29:06,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:06,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:29:06,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1720921982] [2022-11-20 09:29:06,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1720921982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:06,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:06,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:29:06,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520913391] [2022-11-20 09:29:06,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:06,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:29:06,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:29:06,310 INFO L87 Difference]: Start difference. First operand 30933 states and 42223 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2022-11-20 09:29:10,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:10,694 INFO L93 Difference]: Finished difference Result 92453 states and 126265 transitions. [2022-11-20 09:29:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:10,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 3 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 424 [2022-11-20 09:29:10,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:11,036 INFO L225 Difference]: With dead ends: 92453 [2022-11-20 09:29:11,036 INFO L226 Difference]: Without dead ends: 61543 [2022-11-20 09:29:11,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 422 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 09:29:11,146 INFO L413 NwaCegarLoop]: 2978 mSDtfsCounter, 1942 mSDsluCounter, 1986 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1942 SdHoareTripleChecker+Valid, 4964 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:11,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1942 Valid, 4964 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:29:11,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61543 states.