./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs_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_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ..................................................................................................................................................................................... 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_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 e96f7460ddf7c6067a0934eb08c9c2b5df3d659b ........................................................................................................................................................................................................................................................................................ 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 19:18:47,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:18:47,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:18:47,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:18:47,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:18:47,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:18:47,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:18:47,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:18:47,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:18:47,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:18:47,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:18:47,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:18:47,468 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:18:47,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:18:47,469 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:18:47,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:18:47,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:18:47,471 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:18:47,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:18:47,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:18:47,473 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:18:47,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:18:47,475 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:18:47,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:18:47,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:18:47,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:18:47,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:18:47,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:18:47,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:18:47,477 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:18:47,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:18:47,478 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:18:47,478 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:18:47,478 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:18:47,479 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:18:47,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:18:47,479 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:18:47,486 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:18:47,486 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:18:47,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:18:47,487 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:18:47,487 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:18:47,487 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:18:47,487 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:18:47,487 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:18:47,488 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:18:47,488 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:18:47,489 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:18:47,489 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:18:47,490 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:18:47,490 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:18:47,490 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_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2018-12-09 19:18:47,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:18:47,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:18:47,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:18:47,521 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:18:47,521 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:18:47,522 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-09 19:18:47,563 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/df6d9ad43/c2b50b29e0b1454db875fac8fa17f9a6/FLAGddba7c813 [2018-12-09 19:18:47,935 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:18:47,935 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-09 19:18:47,943 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/df6d9ad43/c2b50b29e0b1454db875fac8fa17f9a6/FLAGddba7c813 [2018-12-09 19:18:47,953 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/df6d9ad43/c2b50b29e0b1454db875fac8fa17f9a6 [2018-12-09 19:18:47,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:18:47,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:18:47,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:18:47,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:18:47,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:18:47,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:18:47" (1/1) ... [2018-12-09 19:18:47,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@927c5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:47, skipping insertion in model container [2018-12-09 19:18:47,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:18:47" (1/1) ... [2018-12-09 19:18:47,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:18:47,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:18:48,233 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: fabs 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:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:678) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1327) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-09 19:18:48,235 INFO L168 Benchmark]: Toolchain (without parser) took 280.28 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:48,236 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:18:48,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.77 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:48,237 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.77 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 936.3 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: 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 19:18:49,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:18:49,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:18:49,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:18:49,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:18:49,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:18:49,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:18:49,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:18:49,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:18:49,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:18:49,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:18:49,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:18:49,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:18:49,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:18:49,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:18:49,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:18:49,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:18:49,283 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:18:49,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:18:49,284 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:18:49,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:18:49,285 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:18:49,287 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:18:49,287 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:18:49,287 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:18:49,287 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:18:49,288 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:18:49,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:18:49,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:18:49,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:18:49,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:18:49,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:18:49,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:18:49,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:18:49,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:18:49,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:18:49,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 19:18:49,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:18:49,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:18:49,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:18:49,299 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:18:49,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:18:49,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:18:49,300 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:18:49,300 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:18:49,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 19:18:49,301 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 19:18:49,301 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_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 -> e96f7460ddf7c6067a0934eb08c9c2b5df3d659b [2018-12-09 19:18:49,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:18:49,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:18:49,331 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:18:49,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:18:49,332 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:18:49,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-09 19:18:49,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/da07325c4/49761585274244e495736bef28a4e6a1/FLAG6ee4cabea [2018-12-09 19:18:49,825 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:18:49,826 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/sv-benchmarks/c/floats-esbmc-regression/fabs_true-unreach-call.i [2018-12-09 19:18:49,832 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/da07325c4/49761585274244e495736bef28a4e6a1/FLAG6ee4cabea [2018-12-09 19:18:49,841 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/data/da07325c4/49761585274244e495736bef28a4e6a1 [2018-12-09 19:18:49,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:18:49,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:18:49,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:18:49,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:18:49,847 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:18:49,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:18:49" (1/1) ... [2018-12-09 19:18:49,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2956bc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:49, skipping insertion in model container [2018-12-09 19:18:49,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:18:49" (1/1) ... [2018-12-09 19:18:49,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:18:49,879 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:18:50,156 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:18:50,160 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:18:50,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:18:50,330 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:18:50,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50 WrapperNode [2018-12-09 19:18:50,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:18:50,331 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:18:50,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:18:50,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:18:50,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:18:50,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:18:50,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:18:50,387 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:18:50,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... [2018-12-09 19:18:50,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:18:50,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:18:50,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:18:50,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:18:50,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 19:18:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 19:18:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 19:18:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:18:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:18:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:18:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:18:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:18:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:18:50,503 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:18:50,503 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 19:18:50,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:18:50 BoogieIcfgContainer [2018-12-09 19:18:50,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:18:50,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:18:50,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:18:50,506 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:18:50,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:18:49" (1/3) ... [2018-12-09 19:18:50,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61028319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:18:50, skipping insertion in model container [2018-12-09 19:18:50,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:18:50" (2/3) ... [2018-12-09 19:18:50,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61028319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:18:50, skipping insertion in model container [2018-12-09 19:18:50,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:18:50" (3/3) ... [2018-12-09 19:18:50,508 INFO L112 eAbstractionObserver]: Analyzing ICFG fabs_true-unreach-call.i [2018-12-09 19:18:50,514 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:18:50,518 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:18:50,526 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:18:50,542 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 19:18:50,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:18:50,543 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:18:50,543 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:18:50,543 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:18:50,543 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:18:50,543 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:18:50,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:18:50,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:18:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-12-09 19:18:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 19:18:50,555 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:18:50,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:18:50,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:18:50,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:18:50,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1438912193, now seen corresponding path program 1 times [2018-12-09 19:18:50,562 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 19:18:50,563 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/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 19:18:50,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:18:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:18:50,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:18:50,628 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 19:18:50,628 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 19:18:50,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:18:50,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:18:50,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:18:50,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:18:50,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:18:50,649 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2018-12-09 19:18:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:18:50,705 INFO L93 Difference]: Finished difference Result 33 states and 48 transitions. [2018-12-09 19:18:50,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:18:50,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-12-09 19:18:50,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:18:50,710 INFO L225 Difference]: With dead ends: 33 [2018-12-09 19:18:50,710 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:18:50,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:18:50,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:18:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:18:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:18:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:18:50,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2018-12-09 19:18:50,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:18:50,727 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:18:50,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:18:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:18:50,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:18:50,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:18:50,762 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 19:18:50,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:18:50,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:18:50,762 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 869 877) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 869 877) no Hoare annotation was computed. [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 869 877) no Hoare annotation was computed. [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L451 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-12-09 19:18:50,763 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2018-12-09 19:18:50,763 INFO L448 ceAbstractionStarter]: For program point L867-3(line 867) no Hoare annotation was computed. [2018-12-09 19:18:50,764 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 867) the Hoare annotation is: true [2018-12-09 19:18:50,764 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 867) no Hoare annotation was computed. [2018-12-09 19:18:50,764 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2018-12-09 19:18:50,764 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2018-12-09 19:18:50,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:18:50 BoogieIcfgContainer [2018-12-09 19:18:50,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:18:50,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:18:50,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:18:50,766 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:18:50,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:18:50" (3/4) ... [2018-12-09 19:18:50,768 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:18:50,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:18:50,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:18:50,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 19:18:50,775 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 19:18:50,775 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:18:50,775 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:18:50,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7ec1c2bd-686e-4927-ad1f-c541639f2ccb/bin-2019/utaipan/witness.graphml [2018-12-09 19:18:50,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:18:50,798 INFO L168 Benchmark]: Toolchain (without parser) took 954.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:18:50,798 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 19:18:50,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.99 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 826.4 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:50,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 826.4 MB in the beginning and 1.1 GB in the end (delta: -304.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:50,799 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:50,800 INFO L168 Benchmark]: RCFGBuilder took 103.78 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:50,800 INFO L168 Benchmark]: TraceAbstraction took 261.50 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:18:50,800 INFO L168 Benchmark]: Witness Printer took 31.62 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 19:18:50,802 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 485.99 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 826.4 MB in the end (delta: 112.9 MB). Peak memory consumption was 112.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 826.4 MB in the beginning and 1.1 GB in the end (delta: -304.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.72 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 103.78 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: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261.50 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Witness Printer took 31.62 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: 867]: 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, 20 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 5 SDslu, 20 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 10 LocationsWithAnnotation, 20 PreInvPairs, 25 NumberOfFragments, 10 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 2 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 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...