./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be .................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c5678568630a4199d94fed33c5301bef19d60be ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:38:21,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:38:21,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:38:21,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:38:21,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:38:21,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:38:21,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:38:21,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:38:21,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:38:21,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:38:21,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:38:21,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:38:21,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:38:21,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:38:21,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:38:21,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:38:21,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:38:21,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:38:21,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:38:21,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:38:21,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:38:21,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:38:21,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:38:21,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:38:21,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:38:21,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:38:21,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:38:21,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:38:21,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:38:21,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:38:21,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:38:21,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:38:21,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:38:21,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:38:21,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:38:21,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:38:21,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:38:21,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:38:21,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:38:21,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:38:21,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:38:21,215 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:38:21,262 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:38:21,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:38:21,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:38:21,263 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:38:21,263 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:38:21,264 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:38:21,264 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:38:21,264 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:38:21,264 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:38:21,264 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:38:21,265 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:38:21,265 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:38:21,265 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:38:21,265 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:38:21,265 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:38:21,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:38:21,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:38:21,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:38:21,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:38:21,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:38:21,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:38:21,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:38:21,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:38:21,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:38:21,268 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:38:21,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:38:21,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:38:21,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:38:21,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:38:21,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:38:21,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:38:21,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:21,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:38:21,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:38:21,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:38:21,271 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:38:21,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:38:21,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:38:21,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:38:21,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:38:21,272 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-28 07:38:21,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:38:21,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:38:21,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:38:21,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:38:21,617 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:38:21,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-28 07:38:21,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/f57482c86/e9119824405e4c13bc259bc5c8c51676/FLAGb861936ef [2020-11-28 07:38:22,262 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:38:22,263 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-28 07:38:22,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/f57482c86/e9119824405e4c13bc259bc5c8c51676/FLAGb861936ef [2020-11-28 07:38:22,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/f57482c86/e9119824405e4c13bc259bc5c8c51676 [2020-11-28 07:38:22,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:38:22,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:38:22,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:22,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:38:22,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:38:22,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:22" (1/1) ... [2020-11-28 07:38:22,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459afeb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:22, skipping insertion in model container [2020-11-28 07:38:22,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:22" (1/1) ... [2020-11-28 07:38:22,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:38:22,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:38:23,352 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) 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:705) 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:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) 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:1408) 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:1352) 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:1045) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-11-28 07:38:23,356 INFO L168 Benchmark]: Toolchain (without parser) took 821.07 ms. Allocated memory is still 79.7 MB. Free memory was 59.7 MB in the beginning and 56.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:23,357 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:23,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.39 ms. Allocated memory is still 79.7 MB. Free memory was 59.6 MB in the beginning and 56.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:23,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 79.7 MB. Free memory was 59.2 MB in the beginning and 59.2 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 817.39 ms. Allocated memory is still 79.7 MB. Free memory was 59.6 MB in the beginning and 56.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:38:25,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:38:25,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:38:25,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:38:25,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:38:25,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:38:25,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:38:25,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:38:25,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:38:25,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:38:25,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:38:25,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:38:25,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:38:25,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:38:25,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:38:25,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:38:25,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:38:25,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:38:25,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:38:25,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:38:25,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:38:25,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:38:25,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:38:25,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:38:25,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:38:25,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:38:25,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:38:25,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:38:25,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:38:25,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:38:25,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:38:25,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:38:25,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:38:25,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:38:25,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:38:25,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:38:25,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:38:25,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:38:25,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:38:25,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:38:25,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:38:25,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:38:25,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:38:25,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:38:25,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:38:25,759 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:38:25,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:38:25,760 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:38:25,760 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:38:25,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:38:25,761 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:38:25,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:38:25,764 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:38:25,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:38:25,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:38:25,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:38:25,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:38:25,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:38:25,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:38:25,765 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:38:25,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:38:25,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:38:25,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:38:25,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:38:25,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:38:25,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:38:25,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:38:25,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:38:25,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:38:25,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:25,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:38:25,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:38:25,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:38:25,769 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:38:25,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:38:25,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:38:25,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:38:25,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:38:25,770 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-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-11-28 07:38:26,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:38:26,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:38:26,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:38:26,212 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:38:26,212 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:38:26,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-28 07:38:26,297 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/666a8b2ee/fdb10c730ed640cb858c5d6e36b9b426/FLAG83671cb1a [2020-11-28 07:38:27,001 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:38:27,002 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2020-11-28 07:38:27,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/666a8b2ee/fdb10c730ed640cb858c5d6e36b9b426/FLAG83671cb1a [2020-11-28 07:38:27,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/data/666a8b2ee/fdb10c730ed640cb858c5d6e36b9b426 [2020-11-28 07:38:27,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:38:27,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:38:27,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:27,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:38:27,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:38:27,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:27" (1/1) ... [2020-11-28 07:38:27,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476a768c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:27, skipping insertion in model container [2020-11-28 07:38:27,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:38:27" (1/1) ... [2020-11-28 07:38:27,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:38:27,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:38:28,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:28,036 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:38:28,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:38:28,458 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:38:28,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28 WrapperNode [2020-11-28 07:38:28,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:38:28,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:28,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:38:28,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:38:28,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:38:28,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:38:28,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:38:28,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:38:28,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... [2020-11-28 07:38:28,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:38:28,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:38:28,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:38:28,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:38:28,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:38:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:38:28,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:38:28,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:38:28,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:38:29,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:38:29,082 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-11-28 07:38:29,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:29 BoogieIcfgContainer [2020-11-28 07:38:29,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:38:29,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:38:29,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:38:29,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:38:29,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:38:27" (1/3) ... [2020-11-28 07:38:29,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70260a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:29, skipping insertion in model container [2020-11-28 07:38:29,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:38:28" (2/3) ... [2020-11-28 07:38:29,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70260a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:38:29, skipping insertion in model container [2020-11-28 07:38:29,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:29" (3/3) ... [2020-11-28 07:38:29,091 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2020-11-28 07:38:29,102 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:38:29,107 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-11-28 07:38:29,120 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-11-28 07:38:29,140 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:38:29,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:38:29,141 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:38:29,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:38:29,141 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:38:29,141 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:38:29,141 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:38:29,141 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:38:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-11-28 07:38:29,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:38:29,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:29,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:38:29,164 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:29,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:29,169 INFO L82 PathProgramCache]: Analyzing trace with hash 889510762, now seen corresponding path program 1 times [2020-11-28 07:38:29,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:29,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744813976] [2020-11-28 07:38:29,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:29,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:38:29,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:29,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:29,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744813976] [2020-11-28 07:38:29,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:29,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:38:29,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189743927] [2020-11-28 07:38:29,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:38:29,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:29,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:38:29,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:38:29,307 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-11-28 07:38:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:29,326 INFO L93 Difference]: Finished difference Result 124 states and 175 transitions. [2020-11-28 07:38:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:38:29,328 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-28 07:38:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:29,336 INFO L225 Difference]: With dead ends: 124 [2020-11-28 07:38:29,336 INFO L226 Difference]: Without dead ends: 55 [2020-11-28 07:38:29,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:38:29,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-11-28 07:38:29,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-11-28 07:38:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-11-28 07:38:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 54 transitions. [2020-11-28 07:38:29,375 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 54 transitions. Word has length 6 [2020-11-28 07:38:29,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:29,375 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 54 transitions. [2020-11-28 07:38:29,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:38:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 54 transitions. [2020-11-28 07:38:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:38:29,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:29,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:38:29,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:38:29,592 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:29,595 INFO L82 PathProgramCache]: Analyzing trace with hash 889570344, now seen corresponding path program 1 times [2020-11-28 07:38:29,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:29,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337096028] [2020-11-28 07:38:29,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:29,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:38:29,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:30,199 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 11 [2020-11-28 07:38:30,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:30,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:30,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337096028] [2020-11-28 07:38:30,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:30,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:38:30,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899074919] [2020-11-28 07:38:30,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:38:30,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:38:30,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:38:30,291 INFO L87 Difference]: Start difference. First operand 55 states and 54 transitions. Second operand 6 states. [2020-11-28 07:38:30,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:30,423 INFO L93 Difference]: Finished difference Result 55 states and 54 transitions. [2020-11-28 07:38:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:38:30,424 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-11-28 07:38:30,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:30,425 INFO L225 Difference]: With dead ends: 55 [2020-11-28 07:38:30,425 INFO L226 Difference]: Without dead ends: 46 [2020-11-28 07:38:30,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:38:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-28 07:38:30,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-28 07:38:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 07:38:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2020-11-28 07:38:30,432 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 6 [2020-11-28 07:38:30,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:30,432 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2020-11-28 07:38:30,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:38:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2020-11-28 07:38:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 07:38:30,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:30,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:38:30,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:38:30,651 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:30,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:30,652 INFO L82 PathProgramCache]: Analyzing trace with hash -325797734, now seen corresponding path program 1 times [2020-11-28 07:38:30,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:30,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496100191] [2020-11-28 07:38:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:30,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:38:30,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:30,734 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:30,753 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:30,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496100191] [2020-11-28 07:38:30,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:30,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:38:30,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588994545] [2020-11-28 07:38:30,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:38:30,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:30,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:38:30,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:38:30,813 INFO L87 Difference]: Start difference. First operand 46 states and 45 transitions. Second operand 6 states. [2020-11-28 07:38:30,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:30,887 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2020-11-28 07:38:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:38:30,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-28 07:38:30,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:30,889 INFO L225 Difference]: With dead ends: 46 [2020-11-28 07:38:30,890 INFO L226 Difference]: Without dead ends: 40 [2020-11-28 07:38:30,890 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:38:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-28 07:38:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-28 07:38:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 07:38:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 39 transitions. [2020-11-28 07:38:30,901 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 39 transitions. Word has length 11 [2020-11-28 07:38:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:30,901 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 39 transitions. [2020-11-28 07:38:30,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:38:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 39 transitions. [2020-11-28 07:38:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 07:38:30,903 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:30,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:38:31,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:38:31,104 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:31,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:31,105 INFO L82 PathProgramCache]: Analyzing trace with hash 386947499, now seen corresponding path program 1 times [2020-11-28 07:38:31,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:31,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [742619704] [2020-11-28 07:38:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:31,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:38:31,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:31,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:31,227 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:31,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [742619704] [2020-11-28 07:38:31,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:31,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:38:31,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280216560] [2020-11-28 07:38:31,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:38:31,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:31,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:38:31,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:38:31,351 INFO L87 Difference]: Start difference. First operand 40 states and 39 transitions. Second operand 6 states. [2020-11-28 07:38:31,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:31,458 INFO L93 Difference]: Finished difference Result 40 states and 39 transitions. [2020-11-28 07:38:31,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:38:31,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-11-28 07:38:31,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:31,459 INFO L225 Difference]: With dead ends: 40 [2020-11-28 07:38:31,459 INFO L226 Difference]: Without dead ends: 31 [2020-11-28 07:38:31,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:38:31,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-28 07:38:31,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-28 07:38:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-28 07:38:31,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2020-11-28 07:38:31,464 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 15 [2020-11-28 07:38:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:31,464 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2020-11-28 07:38:31,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:38:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2020-11-28 07:38:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 07:38:31,466 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:31,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:38:31,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-28 07:38:31,667 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:31,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:31,667 INFO L82 PathProgramCache]: Analyzing trace with hash -411429104, now seen corresponding path program 1 times [2020-11-28 07:38:31,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:31,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320797743] [2020-11-28 07:38:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:31,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:38:31,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:31,785 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:31,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:31,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320797743] [2020-11-28 07:38:31,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:31,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:38:31,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093367756] [2020-11-28 07:38:31,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:38:31,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:31,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:38:31,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:38:31,856 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2020-11-28 07:38:31,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:31,969 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2020-11-28 07:38:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:38:31,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-11-28 07:38:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:31,971 INFO L225 Difference]: With dead ends: 31 [2020-11-28 07:38:31,971 INFO L226 Difference]: Without dead ends: 25 [2020-11-28 07:38:31,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:38:31,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-11-28 07:38:31,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-11-28 07:38:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-11-28 07:38:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-11-28 07:38:31,974 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 20 [2020-11-28 07:38:31,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:31,975 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-11-28 07:38:31,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:38:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-11-28 07:38:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 07:38:31,976 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:38:31,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:38:32,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-28 07:38:32,188 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:38:32,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:38:32,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1254054753, now seen corresponding path program 1 times [2020-11-28 07:38:32,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:38:32,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755473382] [2020-11-28 07:38:32,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-11-28 07:38:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:38:32,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 07:38:32,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:38:32,374 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:32,376 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 07:38:32,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:32,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:38:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:38:32,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755473382] [2020-11-28 07:38:32,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:38:32,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-11-28 07:38:32,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234420973] [2020-11-28 07:38:32,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 07:38:32,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:38:32,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 07:38:32,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:38:32,433 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 5 states. [2020-11-28 07:38:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:38:32,554 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-11-28 07:38:32,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:38:32,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 07:38:32,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:38:32,555 INFO L225 Difference]: With dead ends: 25 [2020-11-28 07:38:32,555 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:38:32,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:38:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:38:32,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:38:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:38:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:38:32,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-28 07:38:32,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:38:32,557 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:38:32,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 07:38:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:38:32,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:38:32,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-11-28 07:38:32,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L2-1(line 981) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L2-2(line 988) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L2-3(line 997) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L2-4(line 1004) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-11-28 07:38:32,764 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,765 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L988-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L964(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L997-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L964-2(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L964-3(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,766 INFO L274 CegarLoopResult]: For program point L964-4(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,767 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,768 INFO L274 CegarLoopResult]: For program point L964-6(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,768 INFO L274 CegarLoopResult]: For program point L964-7(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,768 INFO L274 CegarLoopResult]: For program point L964-8(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,768 INFO L274 CegarLoopResult]: For program point L989-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,768 INFO L274 CegarLoopResult]: For program point L964-10(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,769 INFO L274 CegarLoopResult]: For program point L964-11(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,769 INFO L274 CegarLoopResult]: For program point L964-12(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,769 INFO L274 CegarLoopResult]: For program point L964-14(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,769 INFO L274 CegarLoopResult]: For program point L964-15(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,771 INFO L274 CegarLoopResult]: For program point L981-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-16(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-18(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-19(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-20(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-22(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,772 INFO L274 CegarLoopResult]: For program point L964-23(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L973-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L964-24(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L964-26(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L964-27(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L964-28(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,773 INFO L274 CegarLoopResult]: For program point L964-30(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L964-31(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L998-1(line 998) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L964-32(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L964-34(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L964-35(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L964-36(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,774 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point L964-38(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point L990-1(line 990) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point L964-39(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point L964-40(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,775 INFO L274 CegarLoopResult]: For program point L964-42(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,776 INFO L274 CegarLoopResult]: For program point L964-43(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,776 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,776 INFO L274 CegarLoopResult]: For program point L982-1(line 982) no Hoare annotation was computed. [2020-11-28 07:38:32,777 INFO L274 CegarLoopResult]: For program point L974-1(lines 968 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:38:32,777 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,778 INFO L274 CegarLoopResult]: For program point L975-1(line 975) no Hoare annotation was computed. [2020-11-28 07:38:32,779 INFO L274 CegarLoopResult]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2020-11-28 07:38:32,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2020-11-28 07:38:32,783 INFO L274 CegarLoopResult]: For program point L2(line 973) no Hoare annotation was computed. [2020-11-28 07:38:32,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:38:32 BoogieIcfgContainer [2020-11-28 07:38:32,793 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:38:32,793 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:38:32,793 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:38:32,794 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:38:32,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:38:29" (3/4) ... [2020-11-28 07:38:32,798 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:38:32,819 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-28 07:38:32,820 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 07:38:32,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:38:32,822 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:38:32,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_305fdb72-1c90-47e0-8f5f-4a7b6c41db3e/bin/utaipan/witness.graphml [2020-11-28 07:38:32,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:38:32,908 INFO L168 Benchmark]: Toolchain (without parser) took 5684.08 ms. Allocated memory was 60.8 MB in the beginning and 96.5 MB in the end (delta: 35.7 MB). Free memory was 38.7 MB in the beginning and 63.5 MB in the end (delta: -24.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,908 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:32,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1235.98 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 38.5 MB in the beginning and 45.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.51 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 42.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,910 INFO L168 Benchmark]: Boogie Preprocessor took 31.11 ms. Allocated memory is still 79.7 MB. Free memory was 42.3 MB in the beginning and 40.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,910 INFO L168 Benchmark]: RCFGBuilder took 507.18 ms. Allocated memory is still 79.7 MB. Free memory was 40.7 MB in the beginning and 47.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,911 INFO L168 Benchmark]: TraceAbstraction took 3708.11 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.9 MB in the beginning and 69.0 MB in the end (delta: -22.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:38:32,911 INFO L168 Benchmark]: Witness Printer took 113.04 ms. Allocated memory is still 96.5 MB. Free memory was 69.0 MB in the beginning and 63.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:38:32,914 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1235.98 ms. Allocated memory was 60.8 MB in the beginning and 79.7 MB in the end (delta: 18.9 MB). Free memory was 38.5 MB in the beginning and 45.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.51 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 42.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.11 ms. Allocated memory is still 79.7 MB. Free memory was 42.3 MB in the beginning and 40.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 507.18 ms. Allocated memory is still 79.7 MB. Free memory was 40.7 MB in the beginning and 47.4 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3708.11 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.9 MB in the beginning and 69.0 MB in the end (delta: -22.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 113.04 ms. Allocated memory is still 96.5 MB. Free memory was 69.0 MB in the beginning and 63.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 201 SDtfs, 114 SDslu, 202 SDs, 0 SdLazy, 89 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 4890 SizeOfPredicates, 15 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...