./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/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_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/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_4f65c90c-6cae-4677-97a4-3b54206ebfff/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 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:36:02,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:36:02,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:36:02,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:36:02,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:36:02,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:36:02,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:36:02,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:36:02,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:36:02,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:36:02,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:36:02,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:36:02,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:36:02,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:36:02,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:36:02,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:36:02,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:36:02,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:36:02,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:36:02,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:36:02,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:36:02,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:36:02,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:36:02,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:36:02,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:36:02,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:36:02,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:36:02,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:36:02,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:36:02,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:36:02,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:36:02,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:36:02,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:36:02,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:36:02,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:36:02,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:36:02,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:36:02,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:36:02,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:36:02,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:36:02,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:36:02,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:36:02,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:36:02,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:36:02,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:36:02,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:36:02,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:36:02,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:36:02,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:36:02,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:36:02,326 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:36:02,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:36:02,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:36:02,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:36:02,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:36:02,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:36:02,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:36:02,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:36:02,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:36:02,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:36:02,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:36:02,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:36:02,329 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:36:02,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:36:02,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:36:02,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:36:02,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:36:02,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:36:02,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:36:02,331 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:36:02,331 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:36:02,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:36:02,331 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 [2022-11-20 11:36:02,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:36:02,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:36:02,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:36:02,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:36:02,627 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:36:02,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2022-11-20 11:36:05,874 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:36:06,603 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:36:06,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2022-11-20 11:36:06,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/041ecc92f/25ab8c9158c840b2a0fc33695d5e5871/FLAGa5570b106 [2022-11-20 11:36:06,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/041ecc92f/25ab8c9158c840b2a0fc33695d5e5871 [2022-11-20 11:36:06,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:36:06,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:36:06,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:36:06,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:36:06,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:36:06,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:06" (1/1) ... [2022-11-20 11:36:06,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200eacfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:06, skipping insertion in model container [2022-11-20 11:36:06,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:06" (1/1) ... [2022-11-20 11:36:06,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:36:06,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:36:08,492 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: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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 11:36:08,499 INFO L158 Benchmark]: Toolchain (without parser) took 1811.57ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 52.4MB in the end (delta: 26.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 11:36:08,509 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:36:08,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1807.52ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 52.4MB in the end (delta: 26.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 11:36:08,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 73.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1807.52ms. Allocated memory is still 134.2MB. Free memory was 78.4MB in the beginning and 52.4MB in the end (delta: 26.0MB). Peak memory consumption was 31.5MB. 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/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_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/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_4f65c90c-6cae-4677-97a4-3b54206ebfff/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 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:36:10,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:36:10,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:36:11,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:36:11,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:36:11,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:36:11,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:36:11,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:36:11,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:36:11,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:36:11,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:36:11,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:36:11,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:36:11,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:36:11,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:36:11,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:36:11,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:36:11,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:36:11,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:36:11,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:36:11,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:36:11,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:36:11,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:36:11,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:36:11,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:36:11,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:36:11,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:36:11,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:36:11,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:36:11,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:36:11,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:36:11,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:36:11,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:36:11,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:36:11,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:36:11,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:36:11,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:36:11,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:36:11,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:36:11,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:36:11,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:36:11,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:36:11,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:36:11,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:36:11,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:36:11,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:36:11,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:36:11,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:36:11,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:36:11,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:36:11,183 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:36:11,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:36:11,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:36:11,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:36:11,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:36:11,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:36:11,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:36:11,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:36:11,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:36:11,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:36:11,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:36:11,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:36:11,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:36:11,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:36:11,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:36:11,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:36:11,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:36:11,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:36:11,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:36:11,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:36:11,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:36:11,191 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:36:11,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:36:11,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:36:11,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:36:11,193 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0564b8be4162feecc69c55a6b0b3eda68686a764b41f4f7494c14a4ffed0dc25 [2022-11-20 11:36:11,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:36:11,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:36:11,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:36:11,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:36:11,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:36:11,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2022-11-20 11:36:14,863 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:36:15,568 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:36:15,569 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2022-11-20 11:36:15,607 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/2f7719239/a64eb973104341a7a191d3c5ef26fb93/FLAG377f0e137 [2022-11-20 11:36:15,628 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/data/2f7719239/a64eb973104341a7a191d3c5ef26fb93 [2022-11-20 11:36:15,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:36:15,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:36:15,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:36:15,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:36:15,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:36:15,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:15" (1/1) ... [2022-11-20 11:36:15,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a767ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:15, skipping insertion in model container [2022-11-20 11:36:15,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:15" (1/1) ... [2022-11-20 11:36:15,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:36:15,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:36:17,845 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i[291343,291356] [2022-11-20 11:36:18,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:36:18,135 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:36:18,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:36:18,721 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i[291343,291356] [2022-11-20 11:36:18,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:36:18,802 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:36:19,270 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_4f65c90c-6cae-4677-97a4-3b54206ebfff/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i[291343,291356] [2022-11-20 11:36:19,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:36:19,814 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:36:19,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19 WrapperNode [2022-11-20 11:36:19,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:36:19,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:36:19,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:36:19,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:36:19,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:19,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,284 INFO L138 Inliner]: procedures = 293, calls = 3878, calls flagged for inlining = 144, calls inlined = 140, statements flattened = 9739 [2022-11-20 11:36:20,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:36:20,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:36:20,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:36:20,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:36:20,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:36:20,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:36:20,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:36:20,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:36:20,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (1/1) ... [2022-11-20 11:36:20,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:36:20,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:36:20,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:36:20,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:36:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_read_value [2022-11-20 11:36:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_read_value [2022-11-20 11:36:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:36:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_max [2022-11-20 11:36:20,842 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_max [2022-11-20 11:36:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:36:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:36:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:36:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:36:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:36:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:36:20,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:36:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_detect [2022-11-20 11:36:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_detect [2022-11-20 11:36:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_TO_REG [2022-11-20 11:36:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_TO_REG [2022-11-20 11:36:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure store_beep [2022-11-20 11:36:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure store_beep [2022-11-20 11:36:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:36:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:36:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure store_pwm [2022-11-20 11:36:20,845 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pwm [2022-11-20 11:36:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_min [2022-11-20 11:36:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_min [2022-11-20 11:36:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_div [2022-11-20 11:36:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_div [2022-11-20 11:36:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_FROM_REG [2022-11-20 11:36:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_FROM_REG [2022-11-20 11:36:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-20 11:36:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-20 11:36:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:36:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:36:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-20 11:36:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-20 11:36:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure show_sensor [2022-11-20 11:36:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure show_sensor [2022-11-20 11:36:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:36:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:36:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-20 11:36:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-20 11:36:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_min [2022-11-20 11:36:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_min [2022-11-20 11:36:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:36:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max_hyst [2022-11-20 11:36:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max_hyst [2022-11-20 11:36:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure show_alarm [2022-11-20 11:36:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure show_alarm [2022-11-20 11:36:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-11-20 11:36:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-11-20 11:36:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_isa_unregister [2022-11-20 11:36:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_isa_unregister [2022-11-20 11:36:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure show_in [2022-11-20 11:36:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in [2022-11-20 11:36:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:36:20,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:36:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:36:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure show_beep [2022-11-20 11:36:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure show_beep [2022-11-20 11:36:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:36:20,852 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2022-11-20 11:36:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2022-11-20 11:36:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:36:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:36:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:36:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:36:20,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:36:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:36:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-11-20 11:36:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-11-20 11:36:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:36:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:36:20,854 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-20 11:36:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-20 11:36:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure show_pwm [2022-11-20 11:36:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pwm [2022-11-20 11:36:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure FAN_FROM_REG [2022-11-20 11:36:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure FAN_FROM_REG [2022-11-20 11:36:20,855 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 11:36:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 11:36:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure store_sensor [2022-11-20 11:36:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure store_sensor [2022-11-20 11:36:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_update_device [2022-11-20 11:36:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_update_device [2022-11-20 11:36:20,856 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_remove_files [2022-11-20 11:36:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_remove_files [2022-11-20 11:36:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan [2022-11-20 11:36:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan [2022-11-20 11:36:20,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 11:36:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 11:36:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure store_in_max [2022-11-20 11:36:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure store_in_max [2022-11-20 11:36:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_word_swapped [2022-11-20 11:36:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_word_swapped [2022-11-20 11:36:20,858 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-20 11:36:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-20 11:36:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-11-20 11:36:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_w83781d_data [2022-11-20 11:36:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-20 11:36:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-20 11:36:20,859 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-11-20 11:36:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-11-20 11:36:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_word_swapped [2022-11-20 11:36:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_word_swapped [2022-11-20 11:36:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure show_fan_div [2022-11-20 11:36:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure show_fan_div [2022-11-20 11:36:20,860 INFO L130 BoogieDeclarations]: Found specification of procedure LM75_TEMP_TO_REG [2022-11-20 11:36:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure LM75_TEMP_TO_REG [2022-11-20 11:36:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-11-20 11:36:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_w83781d_data [2022-11-20 11:36:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp [2022-11-20 11:36:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp [2022-11-20 11:36:20,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:36:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:36:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:36:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:36:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-11-20 11:36:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_w83781d_data [2022-11-20 11:36:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure store_temp_max [2022-11-20 11:36:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure store_temp_max [2022-11-20 11:36:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 11:36:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 11:36:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure w83781d_write_value [2022-11-20 11:36:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure w83781d_write_value [2022-11-20 11:36:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:36:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure show_in_min [2022-11-20 11:36:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure show_in_min [2022-11-20 11:36:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 11:36:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 11:36:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:36:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure store_fan_min [2022-11-20 11:36:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure store_fan_min [2022-11-20 11:36:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:36:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-11-20 11:36:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_w83781d_data [2022-11-20 11:36:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max [2022-11-20 11:36:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max [2022-11-20 11:36:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure show_temp_max_hyst [2022-11-20 11:36:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure show_temp_max_hyst [2022-11-20 11:36:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-20 11:36:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-20 11:36:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-11-20 11:36:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-11-20 11:36:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:36:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:36:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 11:36:20,867 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 11:36:22,326 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:36:22,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:36:23,116 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:40:35,279 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:40:35,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:40:35,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:40:35,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:35 BoogieIcfgContainer [2022-11-20 11:40:35,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:40:35,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:40:35,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:40:35,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:40:35,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:36:15" (1/3) ... [2022-11-20 11:40:35,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f17c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:35, skipping insertion in model container [2022-11-20 11:40:35,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:19" (2/3) ... [2022-11-20 11:40:35,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25f17c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:40:35, skipping insertion in model container [2022-11-20 11:40:35,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:40:35" (3/3) ... [2022-11-20 11:40:35,316 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hwmon--w83781d.ko-entry_point.cil.out.i [2022-11-20 11:40:35,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:40:35,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:40:35,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:40:35,447 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;@79ceeebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:40:35,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:40:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 2805 states, 1853 states have (on average 1.3961144090663788) internal successors, (2587), 1954 states have internal predecessors, (2587), 889 states have call successors, (889), 62 states have call predecessors, (889), 61 states have return successors, (798), 798 states have call predecessors, (798), 798 states have call successors, (798) [2022-11-20 11:40:35,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3775 [2022-11-20 11:40:35,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:40:35,665 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:40:35,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:40:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:40:35,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1233932203, now seen corresponding path program 1 times [2022-11-20 11:40:35,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:40:35,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300819570] [2022-11-20 11:40:35,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:40:35,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:40:35,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:40:35,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:40:35,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:41:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:41:07,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 17760 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 11:41:07,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:41:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 314930 backedges. 103345 proven. 0 refuted. 0 times theorem prover too weak. 211585 trivial. 0 not checked. [2022-11-20 11:41:07,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:41:07,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:41:07,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300819570] [2022-11-20 11:41:07,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300819570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:41:07,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:41:07,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:41:07,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611472286] [2022-11-20 11:41:07,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:41:07,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:41:07,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:41:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:41:07,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:41:07,751 INFO L87 Difference]: Start difference. First operand has 2805 states, 1853 states have (on average 1.3961144090663788) internal successors, (2587), 1954 states have internal predecessors, (2587), 889 states have call successors, (889), 62 states have call predecessors, (889), 61 states have return successors, (798), 798 states have call predecessors, (798), 798 states have call successors, (798) Second operand has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (272), 2 states have call predecessors, (272), 2 states have call successors, (272) [2022-11-20 11:41:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:41:08,033 INFO L93 Difference]: Finished difference Result 5605 states and 9144 transitions. [2022-11-20 11:41:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:41:08,036 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (272), 2 states have call predecessors, (272), 2 states have call successors, (272) Word has length 3774 [2022-11-20 11:41:08,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:41:08,067 INFO L225 Difference]: With dead ends: 5605 [2022-11-20 11:41:08,067 INFO L226 Difference]: Without dead ends: 2707 [2022-11-20 11:41:08,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3773 GetRequests, 3773 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:41:08,106 INFO L413 NwaCegarLoop]: 4263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:41:08,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:41:08,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2022-11-20 11:41:08,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2707. [2022-11-20 11:41:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 1848 states have (on average 1.3463203463203464) internal successors, (2488), 1856 states have internal predecessors, (2488), 798 states have call successors, (798), 61 states have call predecessors, (798), 60 states have return successors, (790), 790 states have call predecessors, (790), 790 states have call successors, (790) [2022-11-20 11:41:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 4076 transitions. [2022-11-20 11:41:08,500 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 4076 transitions. Word has length 3774 [2022-11-20 11:41:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:41:08,503 INFO L495 AbstractCegarLoop]: Abstraction has 2707 states and 4076 transitions. [2022-11-20 11:41:08,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 2 states have call successors, (275), 2 states have call predecessors, (275), 2 states have return successors, (272), 2 states have call predecessors, (272), 2 states have call successors, (272) [2022-11-20 11:41:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 4076 transitions. [2022-11-20 11:41:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3775 [2022-11-20 11:41:08,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:41:08,674 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:41:08,875 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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)] Forcibly destroying the process [2022-11-20 11:41:08,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:41:08,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:41:08,889 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:41:08,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:41:08,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1242825807, now seen corresponding path program 1 times [2022-11-20 11:41:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:41:08,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902518245] [2022-11-20 11:41:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:41:08,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:41:08,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:41:08,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:41:08,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:41:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:41:38,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 17760 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:41:38,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:41:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 314930 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 314655 trivial. 0 not checked. [2022-11-20 11:41:38,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:41:38,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:41:38,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902518245] [2022-11-20 11:41:38,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902518245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:41:38,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:41:38,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:41:38,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814458537] [2022-11-20 11:41:38,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:41:38,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:41:38,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:41:38,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:41:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:41:38,758 INFO L87 Difference]: Start difference. First operand 2707 states and 4076 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 2 states have call successors, (273), 2 states have call predecessors, (273), 3 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:41:40,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:41:40,582 INFO L93 Difference]: Finished difference Result 4994 states and 7577 transitions. [2022-11-20 11:41:40,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:41:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 2 states have call successors, (273), 2 states have call predecessors, (273), 3 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 3774 [2022-11-20 11:41:40,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:41:40,610 INFO L225 Difference]: With dead ends: 4994 [2022-11-20 11:41:40,611 INFO L226 Difference]: Without dead ends: 2708 [2022-11-20 11:41:40,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3774 GetRequests, 3771 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:41:40,627 INFO L413 NwaCegarLoop]: 4074 mSDtfsCounter, 3 mSDsluCounter, 8035 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12109 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:41:40,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12109 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 11:41:40,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2708 states. [2022-11-20 11:41:40,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2708 to 2708. [2022-11-20 11:41:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2708 states, 1849 states have (on average 1.3461330448891293) internal successors, (2489), 1857 states have internal predecessors, (2489), 798 states have call successors, (798), 61 states have call predecessors, (798), 60 states have return successors, (790), 790 states have call predecessors, (790), 790 states have call successors, (790) [2022-11-20 11:41:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2708 states and 4077 transitions. [2022-11-20 11:41:40,815 INFO L78 Accepts]: Start accepts. Automaton has 2708 states and 4077 transitions. Word has length 3774 [2022-11-20 11:41:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:41:40,827 INFO L495 AbstractCegarLoop]: Abstraction has 2708 states and 4077 transitions. [2022-11-20 11:41:40,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 4 states have internal predecessors, (299), 2 states have call successors, (273), 2 states have call predecessors, (273), 3 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:41:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 4077 transitions. [2022-11-20 11:41:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3831 [2022-11-20 11:41:41,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:41:41,013 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:41:41,230 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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)] Forcibly destroying the process [2022-11-20 11:41:41,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:41:41,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:41:41,300 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:41:41,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:41:41,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1069200679, now seen corresponding path program 1 times [2022-11-20 11:41:41,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:41:41,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552773097] [2022-11-20 11:41:41,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:41:41,316 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 11:41:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:41:41,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:41:41,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:42:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:12,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 18376 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 11:42:12,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:42:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 319606 backedges. 440 proven. 1 refuted. 0 times theorem prover too weak. 319165 trivial. 0 not checked. [2022-11-20 11:42:13,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:42:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 319606 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 319220 trivial. 0 not checked. [2022-11-20 11:42:17,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:42:17,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552773097] [2022-11-20 11:42:17,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552773097] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:42:17,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:42:17,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 11:42:17,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731555123] [2022-11-20 11:42:17,262 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:42:17,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:42:17,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:42:17,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:42:17,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:42:17,270 INFO L87 Difference]: Start difference. First operand 2708 states and 4077 transitions. Second operand has 8 states, 8 states have (on average 39.125) internal successors, (313), 8 states have internal predecessors, (313), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) [2022-11-20 11:42:19,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:42:19,956 INFO L93 Difference]: Finished difference Result 5001 states and 7641 transitions. [2022-11-20 11:42:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:42:19,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 39.125) internal successors, (313), 8 states have internal predecessors, (313), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) Word has length 3830 [2022-11-20 11:42:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:42:19,981 INFO L225 Difference]: With dead ends: 5001 [2022-11-20 11:42:19,981 INFO L226 Difference]: Without dead ends: 2711 [2022-11-20 11:42:19,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7660 GetRequests, 7652 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:42:20,002 INFO L413 NwaCegarLoop]: 4074 mSDtfsCounter, 16 mSDsluCounter, 8040 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12114 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:42:20,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 12114 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 11:42:20,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2022-11-20 11:42:20,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2711. [2022-11-20 11:42:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2711 states, 1852 states have (on average 1.345572354211663) internal successors, (2492), 1860 states have internal predecessors, (2492), 798 states have call successors, (798), 61 states have call predecessors, (798), 60 states have return successors, (790), 790 states have call predecessors, (790), 790 states have call successors, (790) [2022-11-20 11:42:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 4080 transitions. [2022-11-20 11:42:20,212 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 4080 transitions. Word has length 3830 [2022-11-20 11:42:20,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:42:20,217 INFO L495 AbstractCegarLoop]: Abstraction has 2711 states and 4080 transitions. [2022-11-20 11:42:20,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 39.125) internal successors, (313), 8 states have internal predecessors, (313), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) [2022-11-20 11:42:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 4080 transitions. [2022-11-20 11:42:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4002 [2022-11-20 11:42:20,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:42:20,347 INFO L195 NwaCegarLoop]: trace histogram [224, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:42:20,570 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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)] Forcibly destroying the process [2022-11-20 11:42:20,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:42:20,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:42:20,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:42:20,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:42:20,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1215126220, now seen corresponding path program 1 times [2022-11-20 11:42:20,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:42:20,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472172913] [2022-11-20 11:42:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:42:20,590 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:42:20,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:42:20,591 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:42:20,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:42:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:42:54,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 20234 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 11:42:54,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:42:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 352450 backedges. 1595 proven. 10 refuted. 0 times theorem prover too weak. 350845 trivial. 0 not checked. [2022-11-20 11:42:56,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:43:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 352450 backedges. 0 proven. 1550 refuted. 0 times theorem prover too weak. 350900 trivial. 0 not checked. [2022-11-20 11:43:01,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:43:01,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472172913] [2022-11-20 11:43:01,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472172913] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:43:01,796 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 11:43:01,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 11:43:01,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209984794] [2022-11-20 11:43:01,798 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 11:43:01,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 11:43:01,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:43:01,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 11:43:01,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:43:01,803 INFO L87 Difference]: Start difference. First operand 2711 states and 4080 transitions. Second operand has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) [2022-11-20 11:43:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:08,670 INFO L93 Difference]: Finished difference Result 5008 states and 7649 transitions. [2022-11-20 11:43:08,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:43:08,672 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) Word has length 4001 [2022-11-20 11:43:08,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:08,699 INFO L225 Difference]: With dead ends: 5008 [2022-11-20 11:43:08,700 INFO L226 Difference]: Without dead ends: 2715 [2022-11-20 11:43:08,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8003 GetRequests, 7988 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-11-20 11:43:08,718 INFO L413 NwaCegarLoop]: 4074 mSDtfsCounter, 21 mSDsluCounter, 28130 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 32204 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:08,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 32204 Invalid, 569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [127 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 11:43:08,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2022-11-20 11:43:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2715. [2022-11-20 11:43:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 1856 states have (on average 1.3448275862068966) internal successors, (2496), 1864 states have internal predecessors, (2496), 798 states have call successors, (798), 61 states have call predecessors, (798), 60 states have return successors, (790), 790 states have call predecessors, (790), 790 states have call successors, (790) [2022-11-20 11:43:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 4084 transitions. [2022-11-20 11:43:08,905 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 4084 transitions. Word has length 4001 [2022-11-20 11:43:08,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:08,910 INFO L495 AbstractCegarLoop]: Abstraction has 2715 states and 4084 transitions. [2022-11-20 11:43:08,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 23.0) internal successors, (322), 14 states have internal predecessors, (322), 2 states have call successors, (329), 2 states have call predecessors, (329), 4 states have return successors, (326), 2 states have call predecessors, (326), 2 states have call successors, (326) [2022-11-20 11:43:08,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 4084 transitions. [2022-11-20 11:43:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4223 [2022-11-20 11:43:09,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:09,059 INFO L195 NwaCegarLoop]: trace histogram [448, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:09,274 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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)] Forcibly destroying the process [2022-11-20 11:43:09,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:09,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:09,317 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:09,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:09,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1186311089, now seen corresponding path program 2 times [2022-11-20 11:43:09,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:09,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821487856] [2022-11-20 11:43:09,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:43:09,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:09,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:09,329 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:09,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:43:28,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:43:28,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:43:28,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 6287 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:43:28,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:43:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 440146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440146 trivial. 0 not checked. [2022-11-20 11:43:29,222 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:43:29,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:43:29,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821487856] [2022-11-20 11:43:29,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821487856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:43:29,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:43:29,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:43:29,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724909821] [2022-11-20 11:43:29,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:43:29,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:43:29,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:43:29,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:43:29,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:29,229 INFO L87 Difference]: Start difference. First operand 2715 states and 4084 transitions. Second operand has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:43:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:43:30,217 INFO L93 Difference]: Finished difference Result 7043 states and 10615 transitions. [2022-11-20 11:43:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:43:30,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 4222 [2022-11-20 11:43:30,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:43:30,259 INFO L225 Difference]: With dead ends: 7043 [2022-11-20 11:43:30,259 INFO L226 Difference]: Without dead ends: 4876 [2022-11-20 11:43:30,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4221 GetRequests, 4220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:43:30,274 INFO L413 NwaCegarLoop]: 4598 mSDtfsCounter, 4061 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4061 SdHoareTripleChecker+Valid, 7862 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:43:30,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4061 Valid, 7862 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:43:30,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4876 states. [2022-11-20 11:43:30,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4876 to 4856. [2022-11-20 11:43:30,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4856 states, 3415 states have (on average 1.3727672035139091) internal successors, (4688), 3426 states have internal predecessors, (4688), 1321 states have call successors, (1321), 120 states have call predecessors, (1321), 119 states have return successors, (1313), 1311 states have call predecessors, (1313), 1313 states have call successors, (1313) [2022-11-20 11:43:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 7322 transitions. [2022-11-20 11:43:30,659 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 7322 transitions. Word has length 4222 [2022-11-20 11:43:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:43:30,666 INFO L495 AbstractCegarLoop]: Abstraction has 4856 states and 7322 transitions. [2022-11-20 11:43:30,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:43:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 7322 transitions. [2022-11-20 11:43:30,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4224 [2022-11-20 11:43:30,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:30,793 INFO L195 NwaCegarLoop]: trace histogram [448, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:30,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:43:30,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:30,997 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:30,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:30,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1106518452, now seen corresponding path program 1 times [2022-11-20 11:43:31,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:31,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1279524325] [2022-11-20 11:43:31,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:31,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:31,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:31,009 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:31,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:47:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:47:55,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 22690 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:47:55,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:47:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 440146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440146 trivial. 0 not checked. [2022-11-20 11:47:55,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:47:55,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:47:55,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1279524325] [2022-11-20 11:47:55,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1279524325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:47:55,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:47:55,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:47:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447048160] [2022-11-20 11:47:55,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:47:55,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:47:55,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:47:55,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:47:55,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:47:55,961 INFO L87 Difference]: Start difference. First operand 4856 states and 7322 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:47:57,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:47:57,081 INFO L93 Difference]: Finished difference Result 13460 states and 20320 transitions. [2022-11-20 11:47:57,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:47:57,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) Word has length 4223 [2022-11-20 11:47:57,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:47:57,168 INFO L225 Difference]: With dead ends: 13460 [2022-11-20 11:47:57,169 INFO L226 Difference]: Without dead ends: 9152 [2022-11-20 11:47:57,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4222 GetRequests, 4221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:47:57,198 INFO L413 NwaCegarLoop]: 4607 mSDtfsCounter, 4060 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4060 SdHoareTripleChecker+Valid, 7871 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:47:57,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4060 Valid, 7871 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 11:47:57,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9152 states. [2022-11-20 11:47:57,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9152 to 9132. [2022-11-20 11:47:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9132 states, 6528 states have (on average 1.3884803921568627) internal successors, (9064), 6545 states have internal predecessors, (9064), 2366 states have call successors, (2366), 238 states have call predecessors, (2366), 237 states have return successors, (2358), 2352 states have call predecessors, (2358), 2358 states have call successors, (2358) [2022-11-20 11:47:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9132 states to 9132 states and 13788 transitions. [2022-11-20 11:47:57,805 INFO L78 Accepts]: Start accepts. Automaton has 9132 states and 13788 transitions. Word has length 4223 [2022-11-20 11:47:57,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:47:57,809 INFO L495 AbstractCegarLoop]: Abstraction has 9132 states and 13788 transitions. [2022-11-20 11:47:57,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 2 states have call successors, (273), 2 states have call predecessors, (273), 2 states have return successors, (269), 2 states have call predecessors, (269), 2 states have call successors, (269) [2022-11-20 11:47:57,810 INFO L276 IsEmpty]: Start isEmpty. Operand 9132 states and 13788 transitions. [2022-11-20 11:47:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4227 [2022-11-20 11:47:57,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:47:57,958 INFO L195 NwaCegarLoop]: trace histogram [448, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 210, 56, 56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:47:58,175 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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)] Forcibly destroying the process [2022-11-20 11:47:58,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:47:58,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:47:58,267 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:47:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:47:58,268 INFO L85 PathProgramCache]: Analyzing trace with hash -632226048, now seen corresponding path program 1 times [2022-11-20 11:47:58,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:47:58,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989604381] [2022-11-20 11:47:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:47:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:47:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:47:58,282 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:47:58,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f65c90c-6cae-4677-97a4-3b54206ebfff/bin/uautomizer-ug76WZFUDN/mathsat -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