./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bab8a0d04d8f61bea19634c32fd38a52b6fbece9 ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bab8a0d04d8f61bea19634c32fd38a52b6fbece9 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:20:13,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:20:13,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:20:13,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:20:13,242 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:20:13,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:20:13,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:20:13,244 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:20:13,245 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:20:13,246 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:20:13,247 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:20:13,247 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:20:13,248 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:20:13,248 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:20:13,249 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:20:13,250 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:20:13,250 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:20:13,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:20:13,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:20:13,254 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:20:13,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:20:13,255 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:20:13,257 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:20:13,257 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:20:13,257 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:20:13,258 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:20:13,258 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:20:13,259 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:20:13,260 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:20:13,260 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:20:13,260 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:20:13,261 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:20:13,261 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:20:13,261 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:20:13,262 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:20:13,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:20:13,262 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:20:13,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:20:13,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:20:13,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:20:13,273 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:20:13,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:20:13,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:20:13,273 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:20:13,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:20:13,274 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:20:13,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:20:13,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:13,276 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:20:13,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:20:13,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab8a0d04d8f61bea19634c32fd38a52b6fbece9 [2018-11-28 11:20:13,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:20:13,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:20:13,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:20:13,312 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:20:13,312 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:20:13,313 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-28 11:20:13,351 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/50457f7e0/ed86923ae2b74a899dc683401b7f15ff/FLAG0a4232e26 [2018-11-28 11:20:13,737 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:20:13,737 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-28 11:20:13,745 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/50457f7e0/ed86923ae2b74a899dc683401b7f15ff/FLAG0a4232e26 [2018-11-28 11:20:14,115 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/50457f7e0/ed86923ae2b74a899dc683401b7f15ff [2018-11-28 11:20:14,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:20:14,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:20:14,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:14,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:20:14,121 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:20:14,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:14" (1/1) ... [2018-11-28 11:20:14,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd3d878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:14, skipping insertion in model container [2018-11-28 11:20:14,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:14" (1/1) ... [2018-11-28 11:20:14,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:20:14,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:20:14,519 FATAL L292 ToolchainWalker]: 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:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1544) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1319) 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:997) 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:2290) 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:664) 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:2290) 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:665) 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:664) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:113) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1516) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1319) 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:1270) 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:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1341) 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:3445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2240) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-28 11:20:14,522 INFO L168 Benchmark]: Toolchain (without parser) took 404.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:14,524 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:14,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:14,526 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 403.07 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 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:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:20:15,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:20:15,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:20:15,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:20:15,970 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:20:15,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:20:15,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:20:15,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:20:15,975 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:20:15,976 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:20:15,977 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:20:15,977 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:20:15,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:20:15,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:20:15,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:20:15,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:20:15,981 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:20:15,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:20:15,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:20:15,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:20:15,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:20:15,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:20:15,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:20:15,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:20:15,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:20:15,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:20:15,991 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:20:15,992 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:20:15,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:20:15,993 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:20:15,993 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:20:15,994 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:20:15,994 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:20:15,994 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:20:15,995 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:20:15,996 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:20:15,996 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:20:16,008 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:20:16,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:20:16,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:20:16,009 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:20:16,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:20:16,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:20:16,010 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:20:16,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:20:16,011 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:20:16,012 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:20:16,013 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:20:16,013 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:20:16,013 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:20:16,013 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:20:16,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:20:16,013 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:20:16,014 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bab8a0d04d8f61bea19634c32fd38a52b6fbece9 [2018-11-28 11:20:16,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:20:16,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:20:16,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:20:16,056 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:20:16,057 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:20:16,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-28 11:20:16,102 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/695ea0544/31cfa01990534a5cbc6dd2c479847aca/FLAG7be4c0281 [2018-11-28 11:20:16,495 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:20:16,496 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-28 11:20:16,505 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/695ea0544/31cfa01990534a5cbc6dd2c479847aca/FLAG7be4c0281 [2018-11-28 11:20:16,517 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/data/695ea0544/31cfa01990534a5cbc6dd2c479847aca [2018-11-28 11:20:16,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:20:16,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:20:16,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:16,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:20:16,525 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:20:16,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:16" (1/1) ... [2018-11-28 11:20:16,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29af4ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16, skipping insertion in model container [2018-11-28 11:20:16,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:16" (1/1) ... [2018-11-28 11:20:16,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:20:16,568 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:20:16,996 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:17,000 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:20:17,037 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:20:17,322 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:20:17,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17 WrapperNode [2018-11-28 11:20:17,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:20:17,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:17,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:20:17,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:20:17,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:20:17,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:20:17,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:20:17,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:20:17,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... [2018-11-28 11:20:17,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:20:17,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:20:17,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:20:17,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:20:17,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/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 [2018-11-28 11:20:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure inductiveStepHunt [2018-11-28 11:20:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure inductiveStepHunt [2018-11-28 11:20:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure simplifiedInductiveStepHunt [2018-11-28 11:20:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure simplifiedInductiveStepHunt [2018-11-28 11:20:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:20:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:20:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:20:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:20:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:20:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:20:19,811 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:20:19,812 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 11:20:19,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:19 BoogieIcfgContainer [2018-11-28 11:20:19,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:20:19,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:20:19,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:20:19,815 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:20:19,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:20:16" (1/3) ... [2018-11-28 11:20:19,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155d90b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:19, skipping insertion in model container [2018-11-28 11:20:19,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:17" (2/3) ... [2018-11-28 11:20:19,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155d90b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:20:19, skipping insertion in model container [2018-11-28 11:20:19,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:19" (3/3) ... [2018-11-28 11:20:19,817 INFO L112 eAbstractionObserver]: Analyzing ICFG float-div1_true-unreach-call.i [2018-11-28 11:20:19,825 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:20:19,832 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-28 11:20:19,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-28 11:20:19,867 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:20:19,867 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:20:19,868 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:20:19,868 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:20:19,868 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:20:19,868 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:20:19,868 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:20:19,868 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:20:19,868 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:20:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-11-28 11:20:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 11:20:19,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:19,886 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:19,887 INFO L423 AbstractCegarLoop]: === Iteration 1 === [inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:19,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:19,890 INFO L82 PathProgramCache]: Analyzing trace with hash 2143238314, now seen corresponding path program 1 times [2018-11-28 11:20:19,893 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:20:19,893 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/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 [2018-11-28 11:20:19,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:20,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:22,682 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (and (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse0 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)))) (exists ((v_prenex_5 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_5)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_5) (fp.isNormal v_prenex_5) (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_5 (fp.div roundNearestTiesToEven .cse1 v_prenex_5)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_5)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_5) (not (fp.isNaN v_prenex_5)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (= c_inductiveStepHunt_~oneAfter~0 (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse2 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32)))))) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (and (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_2) (not (fp.isNaN v_prenex_2)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_2) (fp.isSubnormal v_prenex_2) (not (fp.isInfinite v_prenex_2)) (= (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_2 (fp.div roundNearestTiesToEven .cse3 v_prenex_2)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (fp.isNormal v_prenex_2)))) is different from false [2018-11-28 11:20:24,749 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (and (= (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse0 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse0 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)))) (exists ((v_prenex_5 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_5)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_5) (fp.isNormal v_prenex_5) (= (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_5 (fp.div roundNearestTiesToEven .cse1 v_prenex_5)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (not (fp.isSubnormal v_prenex_5)) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_5) (not (fp.isNaN v_prenex_5)))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (= c_inductiveStepHunt_~oneAfter~0 (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse2 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse2 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32)))))) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_3) (fp.isNormal v_prenex_3))) (exists ((v_prenex_2 (_ FloatingPoint 8 24))) (and (fp.lt ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)) v_prenex_2) (not (fp.isNaN v_prenex_2)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_2) (fp.isSubnormal v_prenex_2) (not (fp.isInfinite v_prenex_2)) (= (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_2 (fp.div roundNearestTiesToEven .cse3 v_prenex_2)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) c_inductiveStepHunt_~oneAfter~0) (fp.isNormal v_prenex_2)))) is different from true [2018-11-28 11:20:41,721 WARN L832 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (fp.lt .cse0 v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)) (not (fp.gt (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse0))))) (exists ((v_prenex_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_5)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_5) (fp.isNormal v_prenex_5) (not (fp.isSubnormal v_prenex_5)) (fp.lt .cse2 v_prenex_5) (not (fp.gt (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_5 (fp.div roundNearestTiesToEven .cse3 v_prenex_5)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse2)) (not (fp.isNaN v_prenex_5))))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt .cse4 v_prenex_3) (fp.isNormal v_prenex_3) (not (fp.gt (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse4)))))) is different from false [2018-11-28 11:20:43,787 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_4 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (fp.lt .cse0 v_prenex_4) (not (fp.isNaN v_prenex_4)) (fp.isNormal v_prenex_4) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_4) (not (fp.isInfinite v_prenex_4)) (not (fp.gt (let ((.cse1 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse1 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_4 (fp.div roundNearestTiesToEven .cse1 v_prenex_4)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse0))))) (exists ((v_prenex_5 (_ FloatingPoint 8 24))) (let ((.cse2 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_5)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_5) (fp.isNormal v_prenex_5) (not (fp.isSubnormal v_prenex_5)) (fp.lt .cse2 v_prenex_5) (not (fp.gt (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse3 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_5 (fp.div roundNearestTiesToEven .cse3 v_prenex_5)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse2)) (not (fp.isNaN v_prenex_5))))) (exists ((v_prenex_3 (_ FloatingPoint 8 24))) (let ((.cse4 ((_ to_fp 8 24) roundNearestTiesToEven (_ bv0 32)))) (and (not (fp.isInfinite v_prenex_3)) (not (fp.isNaN v_prenex_3)) (fp.leq ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 85070591730234615865843651857942052864.0)) v_prenex_3) (fp.lt .cse4 v_prenex_3) (fp.isNormal v_prenex_3) (not (fp.gt (let ((.cse5 ((_ to_fp 8 24) roundNearestTiesToEven (/ 16777215.0 67108864.0)))) (fp.div roundNearestTiesToEven .cse5 (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_3 (fp.div roundNearestTiesToEven .cse5 v_prenex_3)) ((_ to_fp 8 24) roundNearestTiesToEven (_ bv2 32))))) .cse4)))))) is different from true [2018-11-28 11:20:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:43,792 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:20:43,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:43,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:20:43,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:20:43,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:20:43,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2018-11-28 11:20:43,817 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2018-11-28 11:20:43,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:43,831 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-11-28 11:20:43,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:20:43,832 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-28 11:20:43,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:43,839 INFO L225 Difference]: With dead ends: 42 [2018-11-28 11:20:43,839 INFO L226 Difference]: Without dead ends: 16 [2018-11-28 11:20:43,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2018-11-28 11:20:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-28 11:20:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-28 11:20:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-28 11:20:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-11-28 11:20:43,862 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 9 [2018-11-28 11:20:43,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:43,863 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-11-28 11:20:43,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:20:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-28 11:20:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 11:20:43,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:20:43,864 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:20:43,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:20:43,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:20:43,864 INFO L82 PathProgramCache]: Analyzing trace with hash -462491116, now seen corresponding path program 1 times [2018-11-28 11:20:43,865 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-28 11:20:43,865 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/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 [2018-11-28 11:20:43,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:20:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:20:44,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:20:45,597 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 11:20:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:20:45,808 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-28 11:20:45,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:20:45,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:20:45,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:20:45,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:20:45,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:45,823 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 3 states. [2018-11-28 11:20:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:20:45,824 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-28 11:20:45,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:20:45,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-28 11:20:45,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:20:45,825 INFO L225 Difference]: With dead ends: 16 [2018-11-28 11:20:45,825 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:20:45,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:20:45,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:20:45,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:20:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:20:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:20:45,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-28 11:20:45,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:20:45,827 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:20:45,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:20:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:20:45,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:20:45,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:20:45,865 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point L370-3(lines 363 371) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L451 ceAbstractionStarter]: At program point inductiveStepHuntENTRY(lines 363 371) the Hoare annotation is: true [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point inductiveStepHuntEXIT(lines 363 371) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-28 11:20:45,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:20:45,866 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-28 11:20:45,866 INFO L451 ceAbstractionStarter]: At program point L383-1(line 383) the Hoare annotation is: true [2018-11-28 11:20:45,866 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 380 386) the Hoare annotation is: true [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 380 386) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 380 386) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-28 11:20:45,866 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 372 379) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 373 379) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntEXIT(lines 372 379) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-28 11:20:45,867 INFO L451 ceAbstractionStarter]: At program point simplifiedInductiveStepHuntENTRY(lines 372 379) the Hoare annotation is: true [2018-11-28 11:20:45,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:20:45 BoogieIcfgContainer [2018-11-28 11:20:45,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:20:45,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:20:45,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:20:45,870 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:20:45,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:19" (3/4) ... [2018-11-28 11:20:45,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:20:45,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:20:45,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inductiveStepHunt [2018-11-28 11:20:45,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:20:45,876 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simplifiedInductiveStepHunt [2018-11-28 11:20:45,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-28 11:20:45,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 11:20:45,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:20:45,904 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2cb4e9a-4695-45e5-876f-b16eca39bfea/bin-2019/uautomizer/witness.graphml [2018-11-28 11:20:45,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:20:45,905 INFO L168 Benchmark]: Toolchain (without parser) took 29384.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -159.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:45,905 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:45,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 936.7 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:45,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:45,906 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:45,907 INFO L168 Benchmark]: RCFGBuilder took 2438.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:45,907 INFO L168 Benchmark]: TraceAbstraction took 26056.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:20:45,907 INFO L168 Benchmark]: Witness Printer took 34.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:20:45,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 800.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 936.7 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2438.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26056.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * Witness Printer took 34.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 27 locations, 3 error locations. SAFE Result, 26.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34 SDtfs, 0 SDslu, 11 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 9 PreInvPairs, 10 NumberOfFragments, 8 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 4 QuantifiedInterpolants, 3224 SizeOfPredicates, 8 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...