./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ....................................................................................................................................................................................... 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_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:37:50,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:37:50,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:37:50,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:37:50,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:37:50,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:37:50,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:37:50,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:37:50,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:37:50,114 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:37:50,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:37:50,115 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:37:50,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:37:50,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:37:50,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:37:50,117 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:37:50,117 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:37:50,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:37:50,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:37:50,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:37:50,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:37:50,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:37:50,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:37:50,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:37:50,123 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:37:50,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:37:50,124 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:37:50,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:37:50,125 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:37:50,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:37:50,125 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:37:50,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:37:50,126 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:37:50,126 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:37:50,127 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:37:50,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:37:50,127 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:37:50,135 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:37:50,135 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:37:50,135 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:37:50,135 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:37:50,136 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:37:50,136 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:37:50,137 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:37:50,137 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:37:50,137 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:37:50,137 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:37:50,137 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:37:50,138 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:37:50,139 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:37:50,139 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:37:50,139 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:37:50,140 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:37:50,140 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:37:50,140 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:37:50,140 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:37:50,140 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2018-12-09 01:37:50,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:37:50,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:37:50,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:37:50,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:37:50,171 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:37:50,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-09 01:37:50,210 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/bd1c9b392/de13435e2e224070b279695cce5842d9/FLAG559dd20ea [2018-12-09 01:37:50,591 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:37:50,591 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-09 01:37:50,597 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/bd1c9b392/de13435e2e224070b279695cce5842d9/FLAG559dd20ea [2018-12-09 01:37:50,939 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/bd1c9b392/de13435e2e224070b279695cce5842d9 [2018-12-09 01:37:50,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:37:50,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:37:50,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:37:50,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:37:50,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:37:50,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:37:50" (1/1) ... [2018-12-09 01:37:50,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceaa519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:50, skipping insertion in model container [2018-12-09 01:37:50,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:37:50" (1/1) ... [2018-12-09 01:37:50,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:37:51,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:37:51,254 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: isinf 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:1668) 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:1320) 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:998) 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:2291) 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:2291) 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:2291) 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:1482) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1490) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) 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:1342) 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:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 01:37:51,256 INFO L168 Benchmark]: Toolchain (without parser) took 313.41 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:51,257 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:37:51,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:51,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 310.61 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 941.6 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: 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 0.1.23-635dfa2 [2018-12-09 01:37:52,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:37:52,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:37:52,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:37:52,295 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:37:52,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:37:52,296 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:37:52,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:37:52,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:37:52,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:37:52,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:37:52,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:37:52,299 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:37:52,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:37:52,300 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:37:52,301 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:37:52,301 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:37:52,302 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:37:52,303 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:37:52,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:37:52,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:37:52,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:37:52,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:37:52,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:37:52,306 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:37:52,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:37:52,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:37:52,307 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:37:52,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:37:52,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:37:52,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:37:52,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:37:52,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:37:52,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:37:52,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:37:52,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:37:52,311 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 01:37:52,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:37:52,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:37:52,318 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:37:52,318 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:37:52,318 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:37:52,319 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:37:52,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:37:52,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:37:52,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:37:52,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:37:52,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:37:52,321 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:37:52,322 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_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2018-12-09 01:37:52,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:37:52,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:37:52,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:37:52,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:37:52,353 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:37:52,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-09 01:37:52,395 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/a5ad96401/5695b9f9cae24653a16ba6b015e37c0f/FLAG74cd2bd1c [2018-12-09 01:37:52,778 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:37:52,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-09 01:37:52,786 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/a5ad96401/5695b9f9cae24653a16ba6b015e37c0f/FLAG74cd2bd1c [2018-12-09 01:37:52,794 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/data/a5ad96401/5695b9f9cae24653a16ba6b015e37c0f [2018-12-09 01:37:52,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:37:52,797 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:37:52,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:37:52,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:37:52,800 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:37:52,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:37:52" (1/1) ... [2018-12-09 01:37:52,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a4eb40d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:52, skipping insertion in model container [2018-12-09 01:37:52,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:37:52" (1/1) ... [2018-12-09 01:37:52,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:37:52,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:37:53,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:37:53,075 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:37:53,094 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:37:53,228 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:37:53,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53 WrapperNode [2018-12-09 01:37:53,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:37:53,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:37:53,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:37:53,229 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:37:53,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:37:53,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:37:53,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:37:53,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:37:53,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... [2018-12-09 01:37:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:37:53,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:37:53,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:37:53,294 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:37:53,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:37:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-12-09 01:37:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-12-09 01:37:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:37:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:37:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:37:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:37:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:37:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:37:53,575 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:37:53,575 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:37:53,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:37:53 BoogieIcfgContainer [2018-12-09 01:37:53,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:37:53,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:37:53,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:37:53,578 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:37:53,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:37:52" (1/3) ... [2018-12-09 01:37:53,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377a6273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:37:53, skipping insertion in model container [2018-12-09 01:37:53,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:37:53" (2/3) ... [2018-12-09 01:37:53,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@377a6273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:37:53, skipping insertion in model container [2018-12-09 01:37:53,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:37:53" (3/3) ... [2018-12-09 01:37:53,580 INFO L112 eAbstractionObserver]: Analyzing ICFG float19_true-unreach-call.i [2018-12-09 01:37:53,586 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:37:53,590 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:37:53,598 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:37:53,614 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:37:53,614 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:37:53,615 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:37:53,615 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:37:53,615 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:37:53,615 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:37:53,615 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:37:53,615 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:37:53,615 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:37:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-09 01:37:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 01:37:53,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:37:53,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:37:53,629 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:37:53,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:37:53,632 INFO L82 PathProgramCache]: Analyzing trace with hash 601011926, now seen corresponding path program 1 times [2018-12-09 01:37:53,634 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 01:37:53,635 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 01:37:53,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:37:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:37:53,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:37:53,855 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 01:37:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:37:54,039 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 01:37:54,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:37:54,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:37:54,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:37:54,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:37:54,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:37:54,058 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-12-09 01:37:54,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:37:54,182 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-12-09 01:37:54,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:37:54,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-09 01:37:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:37:54,191 INFO L225 Difference]: With dead ends: 27 [2018-12-09 01:37:54,191 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:37:54,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:37:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:37:54,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:37:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:37:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:37:54,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-09 01:37:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:37:54,207 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:37:54,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:37:54,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:37:54,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:37:54,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:37:54,243 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 958) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point L957-1(line 957) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point L956-1(lines 954 959) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L451 ceAbstractionStarter]: At program point f00ENTRY(lines 954 959) the Hoare annotation is: true [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point f00EXIT(lines 954 959) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 01:37:54,244 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:37:54,244 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:37:54,244 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 963 972) the Hoare annotation is: true [2018-12-09 01:37:54,245 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 963 972) no Hoare annotation was computed. [2018-12-09 01:37:54,245 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 963 972) no Hoare annotation was computed. [2018-12-09 01:37:54,245 INFO L451 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2018-12-09 01:37:54,245 INFO L448 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-12-09 01:37:54,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:37:54 BoogieIcfgContainer [2018-12-09 01:37:54,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:37:54,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:37:54,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:37:54,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:37:54,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:37:53" (3/4) ... [2018-12-09 01:37:54,249 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:37:54,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:37:54,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-12-09 01:37:54,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:37:54,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 01:37:54,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:37:54,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:37:54,277 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b8fceb5-6262-4605-b575-d222c2c61161/bin-2019/utaipan/witness.graphml [2018-12-09 01:37:54,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:37:54,278 INFO L168 Benchmark]: Toolchain (without parser) took 1481.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:37:54,278 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-09 01:37:54,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.54 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:54,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -287.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:54,279 INFO L168 Benchmark]: Boogie Preprocessor took 12.67 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. [2018-12-09 01:37:54,279 INFO L168 Benchmark]: RCFGBuilder took 281.83 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:54,279 INFO L168 Benchmark]: TraceAbstraction took 670.19 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:54,280 INFO L168 Benchmark]: Witness Printer took 30.59 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:37:54,281 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.54 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -287.5 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.67 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. * RCFGBuilder took 281.83 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 670.19 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.59 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: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 2 SDslu, 13 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 1 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...