./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_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_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/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 7e6aca64c402cd41a7e4d9ea27be751242d3021b .......................................................................................................................................................................... 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_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/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 7e6aca64c402cd41a7e4d9ea27be751242d3021b ...................................................................................................................................................................................................................................................................................... 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 17:24:02,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:24:02,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:24:02,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:24:02,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:24:02,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:24:02,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:24:02,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:24:02,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:24:02,235 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:24:02,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:24:02,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:24:02,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:24:02,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:24:02,237 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:24:02,238 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:24:02,238 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:24:02,239 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:24:02,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:24:02,241 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:24:02,241 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:24:02,242 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:24:02,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:24:02,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:24:02,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:24:02,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:24:02,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:24:02,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:24:02,245 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:24:02,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:24:02,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:24:02,246 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:24:02,246 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:24:02,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:24:02,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:24:02,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:24:02,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:24:02,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:24:02,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:24:02,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:24:02,255 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:24:02,255 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:24:02,255 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:24:02,256 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:24:02,256 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:24:02,257 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:24:02,257 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:24:02,258 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:24:02,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:24:02,259 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_e4691b60-dae1-46b6-a810-641e47019a96/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 -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2018-12-09 17:24:02,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:24:02,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:24:02,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:24:02,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:24:02,289 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:24:02,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i [2018-12-09 17:24:02,327 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/e9706e9ec/47dbb3c817874bc1b797d43ed710935f/FLAGef6864d21 [2018-12-09 17:24:02,810 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:24:02,811 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i [2018-12-09 17:24:02,817 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/e9706e9ec/47dbb3c817874bc1b797d43ed710935f/FLAGef6864d21 [2018-12-09 17:24:02,825 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/e9706e9ec/47dbb3c817874bc1b797d43ed710935f [2018-12-09 17:24:02,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:24:02,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:24:02,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:24:02,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:24:02,831 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:24:02,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:02" (1/1) ... [2018-12-09 17:24:02,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eda5476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:02, skipping insertion in model container [2018-12-09 17:24:02,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:02" (1/1) ... [2018-12-09 17:24:02,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:24:02,857 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:24:03,099 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.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1640) 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:1271) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 17:24:03,102 INFO L168 Benchmark]: Toolchain (without parser) took 274.37 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 927.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:03,103 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:24:03,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 927.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:24:03,105 INFO L336 ainManager$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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.74 ms. Allocated memory is still 1.0 GB. Free memory was 945.9 MB in the beginning and 927.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 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 17:24:04,141 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:24:04,142 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:24:04,151 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:24:04,151 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:24:04,152 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:24:04,153 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:24:04,154 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:24:04,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:24:04,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:24:04,156 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:24:04,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:24:04,157 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:24:04,158 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:24:04,159 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:24:04,159 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:24:04,160 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:24:04,161 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:24:04,162 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:24:04,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:24:04,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:24:04,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:24:04,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:24:04,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:24:04,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:24:04,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:24:04,168 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:24:04,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:24:04,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:24:04,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:24:04,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:24:04,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:24:04,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:24:04,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:24:04,172 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:24:04,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:24:04,173 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 17:24:04,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:24:04,183 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:24:04,184 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:24:04,184 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:24:04,184 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:24:04,184 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:24:04,184 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:24:04,184 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:24:04,185 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:24:04,185 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:24:04,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:24:04,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 17:24:04,186 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 17:24:04,187 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:24:04,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:24:04,187 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:24:04,187 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:24:04,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:24:04,187 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:24:04,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:24:04,188 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 17:24:04,189 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:24:04,189 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 17:24:04,189 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 17:24:04,189 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_e4691b60-dae1-46b6-a810-641e47019a96/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 -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2018-12-09 17:24:04,209 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:24:04,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:24:04,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:24:04,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:24:04,219 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:24:04,219 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i [2018-12-09 17:24:04,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/671827194/d3d7d5beefea4fa592569ef759a35379/FLAG280801486 [2018-12-09 17:24:04,615 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:24:04,616 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2_true-unreach-call.i [2018-12-09 17:24:04,622 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/671827194/d3d7d5beefea4fa592569ef759a35379/FLAG280801486 [2018-12-09 17:24:04,990 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/data/671827194/d3d7d5beefea4fa592569ef759a35379 [2018-12-09 17:24:04,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:24:04,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:24:04,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:24:04,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:24:04,997 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:24:04,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:04" (1/1) ... [2018-12-09 17:24:04,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4e6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:04, skipping insertion in model container [2018-12-09 17:24:04,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:24:04" (1/1) ... [2018-12-09 17:24:05,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:24:05,024 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:24:05,265 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:24:05,268 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:24:05,288 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:24:05,429 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:24:05,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05 WrapperNode [2018-12-09 17:24:05,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:24:05,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:24:05,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:24:05,430 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:24:05,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:24:05,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:24:05,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:24:05,488 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:24:05,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... [2018-12-09 17:24:05,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:24:05,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:24:05,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:24:05,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:24:05,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/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 17:24:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 17:24:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 17:24:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:24:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:24:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:24:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:24:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:24:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:24:05,748 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:24:05,748 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 17:24:05,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05 BoogieIcfgContainer [2018-12-09 17:24:05,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:24:05,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:24:05,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:24:05,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:24:05,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:24:04" (1/3) ... [2018-12-09 17:24:05,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb59b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:24:05, skipping insertion in model container [2018-12-09 17:24:05,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:24:05" (2/3) ... [2018-12-09 17:24:05,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb59b37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:24:05, skipping insertion in model container [2018-12-09 17:24:05,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05" (3/3) ... [2018-12-09 17:24:05,752 INFO L112 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2_true-unreach-call.i [2018-12-09 17:24:05,758 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:24:05,762 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:24:05,771 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:24:05,790 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 17:24:05,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:24:05,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:24:05,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:24:05,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:24:05,791 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:24:05,791 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:24:05,791 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:24:05,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:24:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-09 17:24:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 17:24:05,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:24:05,805 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:24:05,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:24:05,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:24:05,809 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-09 17:24:05,812 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 17:24:05,812 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/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 17:24:05,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:24:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:24:07,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:24:13,959 WARN L180 SmtUtils]: Spent 5.22 s on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-12-09 17:24:32,530 WARN L180 SmtUtils]: Spent 11.07 s on a formula simplification that was a NOOP. DAG size: 24 [2018-12-09 17:24:56,625 WARN L180 SmtUtils]: Spent 10.70 s on a formula simplification that was a NOOP. DAG size: 24 [2018-12-09 17:25:02,721 WARN L832 $PredicateComparison]: unable to prove that (exists ((v_main_~d~0_BEFORE_CALL_1 (_ FloatingPoint 11 53))) (and (fp.gt v_main_~d~0_BEFORE_CALL_1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (fp.lt v_main_~d~0_BEFORE_CALL_1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero v_main_~d~0_BEFORE_CALL_1) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero v_main_~d~0_BEFORE_CALL_1)))))) is different from false [2018-12-09 17:25:04,729 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_main_~d~0_BEFORE_CALL_1 (_ FloatingPoint 11 53))) (and (fp.gt v_main_~d~0_BEFORE_CALL_1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (fp.lt v_main_~d~0_BEFORE_CALL_1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero v_main_~d~0_BEFORE_CALL_1) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero v_main_~d~0_BEFORE_CALL_1)))))) is different from true [2018-12-09 17:25:04,732 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 17:25:04,732 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 17:25:04,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:04,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:25:04,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:25:04,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:25:04,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=4, NotChecked=6, Total=30 [2018-12-09 17:25:04,752 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 6 states. [2018-12-09 17:25:41,269 WARN L180 SmtUtils]: Spent 28.98 s on a formula simplification that was a NOOP. DAG size: 31 [2018-12-09 17:25:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:48,393 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-09 17:25:48,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:25:48,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-12-09 17:25:48,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:48,463 INFO L225 Difference]: With dead ends: 24 [2018-12-09 17:25:48,463 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:25:48,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.8s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=5, NotChecked=8, Total=42 [2018-12-09 17:25:48,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:25:48,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:25:48,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:25:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:25:48,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-09 17:25:48,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:48,481 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:25:48,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:25:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:25:48,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:25:48,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:25:52,013 WARN L180 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 14 [2018-12-09 17:25:52,126 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 1 [2018-12-09 17:25:52,127 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 17:25:52,127 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 17:25:52,128 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (and (fp.gt main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (fp.lt main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (= main_~d1~0 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero main_~d~0)))) [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point L1007-1(line 1007) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 998 1010) the Hoare annotation is: true [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 998 1010) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 998 1010) no Hoare annotation was computed. [2018-12-09 17:25:52,128 INFO L448 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2018-12-09 17:25:52,129 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-12-09 17:25:52,129 INFO L448 ceAbstractionStarter]: For program point L994-3(line 994) no Hoare annotation was computed. [2018-12-09 17:25:52,129 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 994) the Hoare annotation is: true [2018-12-09 17:25:52,129 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 994) no Hoare annotation was computed. [2018-12-09 17:25:52,129 INFO L448 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2018-12-09 17:25:52,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:25:52 BoogieIcfgContainer [2018-12-09 17:25:52,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:25:52,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:25:52,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:25:52,131 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:25:52,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:24:05" (3/4) ... [2018-12-09 17:25:52,133 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:25:52,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:25:52,137 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:25:52,138 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 17:25:52,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 17:25:52,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:25:52,140 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:25:52,161 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4691b60-dae1-46b6-a810-641e47019a96/bin-2019/utaipan/witness.graphml [2018-12-09 17:25:52,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:25:52,162 INFO L168 Benchmark]: Toolchain (without parser) took 107168.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 936.7 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 11.5 GB. [2018-12-09 17:25:52,162 INFO L168 Benchmark]: CDTParser took 0.12 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 17:25:52,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.34 ms. Allocated memory is still 1.0 GB. Free memory was 936.7 MB in the beginning and 818.5 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:25:52,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 818.5 MB in the beginning and 1.1 GB in the end (delta: -311.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:25:52,163 INFO L168 Benchmark]: Boogie Preprocessor took 13.93 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 17:25:52,164 INFO L168 Benchmark]: RCFGBuilder took 245.98 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:25:52,164 INFO L168 Benchmark]: TraceAbstraction took 106381.77 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:25:52,164 INFO L168 Benchmark]: Witness Printer took 30.68 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 17:25:52,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 435.34 ms. Allocated memory is still 1.0 GB. Free memory was 936.7 MB in the beginning and 818.5 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 818.5 MB in the beginning and 1.1 GB in the end (delta: -311.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.93 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 245.98 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: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 106381.77 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: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 11.5 GB. * Witness Printer took 30.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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, 17 locations, 1 error locations. SAFE Result, 106.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 43.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 5 SDslu, 28 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 78.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 23 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 57.4s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 3 QuantifiedInterpolants, 864 SizeOfPredicates, 2 NumberOfNonLiveVariables, 21 ConjunctsInSsa, 6 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...