./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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-aa41828 [2018-11-22 22:19:13,747 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:19:13,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:19:13,755 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:19:13,755 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:19:13,756 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:19:13,757 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:19:13,758 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:19:13,759 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:19:13,759 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:19:13,760 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:19:13,760 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:19:13,761 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:19:13,761 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:19:13,762 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:19:13,763 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:19:13,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:19:13,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:19:13,766 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:19:13,767 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:19:13,768 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:19:13,769 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:19:13,770 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:19:13,770 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:19:13,771 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:19:13,771 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:19:13,772 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:19:13,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:19:13,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:19:13,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:19:13,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:19:13,774 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:19:13,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:19:13,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:19:13,775 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:19:13,776 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:19:13,776 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 22:19:13,786 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:19:13,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:19:13,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:19:13,786 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:19:13,787 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:19:13,787 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:19:13,787 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:19:13,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:19:13,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:19:13,787 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:19:13,788 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:19:13,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:19:13,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:19:13,789 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:19:13,790 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:19:13,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:19:13,790 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_6553be8e-3ea4-46fa-959b-a659deabcaf9/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 [2018-11-22 22:19:13,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:19:13,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:19:13,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:19:13,825 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:19:13,825 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:19:13,825 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-22 22:19:13,862 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/b9d9030c7/660a8e5b50ec4ae0b92d39f1132af60b/FLAGbb48754ff [2018-11-22 22:19:14,320 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:19:14,321 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-22 22:19:14,329 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/b9d9030c7/660a8e5b50ec4ae0b92d39f1132af60b/FLAGbb48754ff [2018-11-22 22:19:14,339 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/b9d9030c7/660a8e5b50ec4ae0b92d39f1132af60b [2018-11-22 22:19:14,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:19:14,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:19:14,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:19:14,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:19:14,345 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:19:14,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:14" (1/1) ... [2018-11-22 22:19:14,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c830c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:14, skipping insertion in model container [2018-11-22 22:19:14,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:14" (1/1) ... [2018-11-22 22:19:14,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:19:14,381 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:19:14,665 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:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:2281) 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:2281) 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:1298) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:1261) 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:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-22 22:19:14,668 INFO L168 Benchmark]: Toolchain (without parser) took 326.47 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 942.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:14,669 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:19:14,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.89 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 942.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:14,671 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.89 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 942.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:19:15,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:19:15,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:19:15,879 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:19:15,879 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:19:15,880 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:19:15,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:19:15,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:19:15,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:19:15,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:19:15,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:19:15,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:19:15,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:19:15,886 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:19:15,887 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:19:15,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:19:15,888 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:19:15,890 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:19:15,891 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:19:15,892 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:19:15,893 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:19:15,894 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:19:15,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:19:15,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:19:15,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:19:15,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:19:15,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:19:15,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:19:15,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:19:15,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:19:15,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:19:15,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:19:15,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:19:15,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:19:15,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:19:15,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:19:15,902 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-22 22:19:15,912 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:19:15,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:19:15,913 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:19:15,913 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:19:15,914 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:19:15,914 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:19:15,914 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:19:15,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:19:15,915 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:19:15,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:19:15,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:19:15,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:19:15,917 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:19:15,918 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:19:15,918 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_6553be8e-3ea4-46fa-959b-a659deabcaf9/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 [2018-11-22 22:19:15,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:19:15,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:19:15,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:19:15,962 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:19:15,962 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:19:15,963 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-22 22:19:16,008 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/6a0baac63/5e25327a59a54ed18f51748a89fdfee4/FLAGd8108ceaa [2018-11-22 22:19:16,378 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:19:16,378 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/sv-benchmarks/c/floats-cbmc-regression/float-div1_true-unreach-call.i [2018-11-22 22:19:16,387 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/6a0baac63/5e25327a59a54ed18f51748a89fdfee4/FLAGd8108ceaa [2018-11-22 22:19:16,396 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/data/6a0baac63/5e25327a59a54ed18f51748a89fdfee4 [2018-11-22 22:19:16,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:19:16,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:19:16,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:19:16,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:19:16,402 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:19:16,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:16" (1/1) ... [2018-11-22 22:19:16,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf62911 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:16, skipping insertion in model container [2018-11-22 22:19:16,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:19:16" (1/1) ... [2018-11-22 22:19:16,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:19:16,440 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:19:16,808 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:19:16,812 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:19:16,842 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:19:17,025 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:19:17,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17 WrapperNode [2018-11-22 22:19:17,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:19:17,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:19:17,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:19:17,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:19:17,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:19:17,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:19:17,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:19:17,103 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:19:17,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... [2018-11-22 22:19:17,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:19:17,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:19:17,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:19:17,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:19:17,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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 [2018-11-22 22:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure inductiveStepHunt [2018-11-22 22:19:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure inductiveStepHunt [2018-11-22 22:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure simplifiedInductiveStepHunt [2018-11-22 22:19:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure simplifiedInductiveStepHunt [2018-11-22 22:19:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:19:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:19:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:19:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:19:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:19:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:19:19,612 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:19:19,612 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 22:19:19,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:19 BoogieIcfgContainer [2018-11-22 22:19:19,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:19:19,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:19:19,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:19:19,616 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:19:19,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:19:16" (1/3) ... [2018-11-22 22:19:19,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ce5336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:19:19, skipping insertion in model container [2018-11-22 22:19:19,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:19:17" (2/3) ... [2018-11-22 22:19:19,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ce5336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:19:19, skipping insertion in model container [2018-11-22 22:19:19,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:19" (3/3) ... [2018-11-22 22:19:19,619 INFO L112 eAbstractionObserver]: Analyzing ICFG float-div1_true-unreach-call.i [2018-11-22 22:19:19,625 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:19:19,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-22 22:19:19,644 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-22 22:19:19,665 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:19:19,665 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:19:19,666 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:19:19,666 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:19:19,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:19:19,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:19:19,670 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:19:19,670 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:19:19,670 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:19:19,681 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-11-22 22:19:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 22:19:19,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:19,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:19:19,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:19,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:19,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2143238314, now seen corresponding path program 1 times [2018-11-22 22:19:19,694 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:19:19,694 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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 [2018-11-22 22:19:19,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:20,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:19:22,408 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 [2018-11-22 22:19:24,473 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 [2018-11-22 22:19:41,505 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 [2018-11-22 22:19:43,578 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 [2018-11-22 22:19:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:19:43,582 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:19:43,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:43,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:19:43,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 22:19:43,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 22:19:43,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=1, Unknown=4, NotChecked=2, Total=12 [2018-11-22 22:19:43,606 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2018-11-22 22:19:43,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:43,618 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2018-11-22 22:19:43,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 22:19:43,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-22 22:19:43,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:43,625 INFO L225 Difference]: With dead ends: 42 [2018-11-22 22:19:43,625 INFO L226 Difference]: Without dead ends: 16 [2018-11-22 22:19:43,628 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 [2018-11-22 22:19:43,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-22 22:19:43,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-22 22:19:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-22 22:19:43,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-11-22 22:19:43,652 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 9 [2018-11-22 22:19:43,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:43,653 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-11-22 22:19:43,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 22:19:43,653 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-11-22 22:19:43,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-22 22:19:43,654 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:19:43,654 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:19:43,654 INFO L423 AbstractCegarLoop]: === Iteration 2 === [inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION, simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:19:43,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:19:43,655 INFO L82 PathProgramCache]: Analyzing trace with hash -462491116, now seen corresponding path program 1 times [2018-11-22 22:19:43,655 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:19:43,655 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/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 [2018-11-22 22:19:43,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:19:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:19:44,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:19:45,533 WARN L180 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-22 22:19:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:19:45,710 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:19:45,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:19:45,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 22:19:45,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 22:19:45,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 22:19:45,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:19:45,723 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 3 states. [2018-11-22 22:19:45,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:19:45,725 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-11-22 22:19:45,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 22:19:45,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-22 22:19:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:19:45,726 INFO L225 Difference]: With dead ends: 16 [2018-11-22 22:19:45,726 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:19:45,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 22:19:45,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:19:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:19:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:19:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:19:45,727 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-22 22:19:45,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:19:45,728 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:19:45,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 22:19:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:19:45,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:19:45,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:19:45,763 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point L370-3(lines 363 371) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L451 ceAbstractionStarter]: At program point inductiveStepHuntENTRY(lines 363 371) the Hoare annotation is: true [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point inductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point inductiveStepHuntEXIT(lines 363 371) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:19:45,763 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:19:45,764 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:19:45,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:19:45,764 INFO L448 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-22 22:19:45,764 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-22 22:19:45,764 INFO L451 ceAbstractionStarter]: At program point L383-1(line 383) the Hoare annotation is: true [2018-11-22 22:19:45,764 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 380 386) the Hoare annotation is: true [2018-11-22 22:19:45,764 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 380 386) no Hoare annotation was computed. [2018-11-22 22:19:45,764 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 380 386) no Hoare annotation was computed. [2018-11-22 22:19:45,764 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntErr0ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 372 379) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 373 379) no Hoare annotation was computed. [2018-11-22 22:19:45,765 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntErr1ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-22 22:19:45,768 INFO L448 ceAbstractionStarter]: For program point simplifiedInductiveStepHuntEXIT(lines 372 379) no Hoare annotation was computed. [2018-11-22 22:19:45,768 INFO L451 ceAbstractionStarter]: At program point simplifiedInductiveStepHuntENTRY(lines 372 379) the Hoare annotation is: true [2018-11-22 22:19:45,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:19:45 BoogieIcfgContainer [2018-11-22 22:19:45,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:19:45,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:19:45,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:19:45,771 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:19:45,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:19:19" (3/4) ... [2018-11-22 22:19:45,773 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:19:45,777 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:19:45,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inductiveStepHunt [2018-11-22 22:19:45,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:19:45,778 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure simplifiedInductiveStepHunt [2018-11-22 22:19:45,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 22:19:45,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 22:19:45,781 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:19:45,807 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6553be8e-3ea4-46fa-959b-a659deabcaf9/bin-2019/uautomizer/witness.graphml [2018-11-22 22:19:45,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:19:45,808 INFO L168 Benchmark]: Toolchain (without parser) took 29408.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -96.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,808 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:19:45,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.33 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -281.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,809 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:19:45,810 INFO L168 Benchmark]: RCFGBuilder took 2488.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,810 INFO L168 Benchmark]: TraceAbstraction took 26156.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,810 INFO L168 Benchmark]: Witness Printer took 36.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:19:45,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.33 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 831.6 MB in the beginning and 1.1 GB in the end (delta: -281.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2488.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26156.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. 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, 26.1s 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, 9.9s 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, 0.8s SatisfiabilityAnalysisTime, 25.0s 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...