./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 96832dfae97efc9710fb813b6fbaafcdad425138 ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 96832dfae97efc9710fb813b6fbaafcdad425138 ....................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:52,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:52,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:52,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:52,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:52,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:52,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:52,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:52,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:52,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:52,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:52,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:52,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:52,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:52,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:52,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:52,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:52,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:52,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:52,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:52,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:52,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:52,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:52,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:52,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:52,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:52,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:52,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:52,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:52,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:52,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:52,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:52,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:52,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:52,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:52,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:52,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:52,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:52,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:52,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:52,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:52,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:21:52,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:52,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:52,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:52,140 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:52,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:52,140 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:21:52,142 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:52,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:52,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:52,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:52,144 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:52,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:52,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:52,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:52,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:52,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:52,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:52,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:52,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:52,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:52,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:52,148 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:21:52,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:21:52,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:52,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:52,148 INFO L138 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_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-10-22 11:21:52,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:52,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:52,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:52,195 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:52,195 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:52,196 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-10-22 11:21:52,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/3015baeaa/93fa2f987a5d4fd486f22732ed5f7e71/FLAG729ab3a86 [2019-10-22 11:21:52,683 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:52,683 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-10-22 11:21:52,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/3015baeaa/93fa2f987a5d4fd486f22732ed5f7e71/FLAG729ab3a86 [2019-10-22 11:21:53,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/3015baeaa/93fa2f987a5d4fd486f22732ed5f7e71 [2019-10-22 11:21:53,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:53,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:53,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:53,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:53,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:53,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:53" (1/1) ... [2019-10-22 11:21:53,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e19bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:53, skipping insertion in model container [2019-10-22 11:21:53,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:53" (1/1) ... [2019-10-22 11:21:53,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:53,084 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:53,643 FATAL L? ?]: 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: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1609) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:666) 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.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1269) 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:1213) 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:906) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:21:53,649 INFO L168 Benchmark]: Toolchain (without parser) took 621.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:53,649 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:53,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:53,652 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 619.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 18.6 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: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:21:55,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:21:55,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:21:55,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:21:55,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:21:55,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:21:55,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:21:55,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:21:55,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:21:55,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:21:55,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:21:55,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:21:55,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:21:55,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:21:55,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:21:55,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:21:55,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:21:55,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:21:55,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:21:55,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:21:55,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:21:55,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:21:55,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:21:55,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:21:55,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:21:55,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:21:55,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:21:55,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:21:55,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:21:55,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:21:55,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:21:55,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:21:55,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:21:55,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:21:55,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:21:55,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:21:55,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:21:55,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:21:55,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:21:55,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:21:55,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:21:55,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-10-22 11:21:55,429 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:21:55,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:21:55,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:21:55,430 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:21:55,430 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:21:55,430 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:21:55,430 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:21:55,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:21:55,431 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:21:55,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:21:55,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:21:55,432 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:21:55,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:21:55,433 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:21:55,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:21:55,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:21:55,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:21:55,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:21:55,434 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:21:55,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:21:55,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:21:55,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:21:55,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:21:55,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:21:55,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:21:55,437 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:21:55,437 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:21:55,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:21:55,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:21:55,438 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-10-22 11:21:55,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:21:55,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:21:55,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:21:55,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:21:55,500 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:21:55,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-10-22 11:21:55,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/4facd4b8d/96a368945cc24c2fa8c2a62911b31097/FLAGf0f8a21b9 [2019-10-22 11:21:55,993 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:21:55,993 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-10-22 11:21:56,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/4facd4b8d/96a368945cc24c2fa8c2a62911b31097/FLAGf0f8a21b9 [2019-10-22 11:21:56,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/data/4facd4b8d/96a368945cc24c2fa8c2a62911b31097 [2019-10-22 11:21:56,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:21:56,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:21:56,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:56,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:21:56,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:21:56,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3066ebf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:56, skipping insertion in model container [2019-10-22 11:21:56,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:21:56" (1/1) ... [2019-10-22 11:21:56,305 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:21:56,344 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:21:56,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:56,926 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:21:57,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:21:57,287 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:21:57,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57 WrapperNode [2019-10-22 11:21:57,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:21:57,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:57,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:21:57,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:21:57,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:21:57,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:21:57,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:21:57,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:21:57,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... [2019-10-22 11:21:57,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:21:57,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:21:57,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:21:57,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:21:57,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 [2019-10-22 11:21:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:21:57,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:21:57,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:21:57,569 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-10-22 11:21:57,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57 BoogieIcfgContainer [2019-10-22 11:21:57,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:21:57,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:21:57,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:21:57,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:21:57,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:21:56" (1/3) ... [2019-10-22 11:21:57,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10542d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:57, skipping insertion in model container [2019-10-22 11:21:57,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:21:57" (2/3) ... [2019-10-22 11:21:57,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10542d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:21:57, skipping insertion in model container [2019-10-22 11:21:57,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57" (3/3) ... [2019-10-22 11:21:57,578 INFO L109 eAbstractionObserver]: Analyzing ICFG fdim.i [2019-10-22 11:21:57,587 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:21:57,593 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-10-22 11:21:57,601 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-10-22 11:21:57,624 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:21:57,624 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:21:57,624 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:21:57,624 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:21:57,625 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:21:57,625 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:21:57,625 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:21:57,625 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:21:57,636 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-10-22 11:21:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:21:57,640 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:21:57,641 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:21:57,643 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:21:57,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:21:57,647 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-10-22 11:21:57,654 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:21:57,654 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496811697] [2019-10-22 11:21:57,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/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 [2019-10-22 11:21:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:21:57,689 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:21:57,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:21:57,984 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 5 [2019-10-22 11:21:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:57,989 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:21:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:21:58,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496811697] [2019-10-22 11:21:58,005 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:21:58,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-10-22 11:21:58,006 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309859436] [2019-10-22 11:21:58,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:21:58,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-10-22 11:21:58,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:21:58,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:58,028 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-10-22 11:21:58,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:21:58,099 INFO L93 Difference]: Finished difference Result 34 states and 41 transitions. [2019-10-22 11:21:58,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:21:58,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-10-22 11:21:58,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:21:58,109 INFO L225 Difference]: With dead ends: 34 [2019-10-22 11:21:58,109 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:21:58,112 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:21:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:21:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:21:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:21:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:21:58,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-10-22 11:21:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:21:58,134 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:21:58,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:21:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:21:58,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:21:58,344 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 11:21:58,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:21:58,403 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,403 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,403 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:21:58,403 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:21:58,404 INFO L443 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,404 INFO L443 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,404 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,404 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:21:58,405 INFO L439 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 11:21:58,405 INFO L443 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,405 INFO L443 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,405 INFO L439 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 11:21:58,405 INFO L443 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,406 INFO L443 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,406 INFO L439 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 11:21:58,406 INFO L443 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,406 INFO L443 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,406 INFO L439 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 11:21:58,406 INFO L443 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,406 INFO L443 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,407 INFO L439 ceAbstractionStarter]: At program point L867-19(lines 1 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-10-22 11:21:58,407 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,407 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-10-22 11:21:58,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:21:58 BoogieIcfgContainer [2019-10-22 11:21:58,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:21:58,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:21:58,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:21:58,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:21:58,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:21:57" (3/4) ... [2019-10-22 11:21:58,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:21:58,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-10-22 11:21:58,440 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:21:58,483 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb84262b-2a20-4e5a-9ae8-ff8322502528/bin/utaipan/witness.graphml [2019-10-22 11:21:58,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:21:58,484 INFO L168 Benchmark]: Toolchain (without parser) took 2194.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.3 MB in the beginning and 988.0 MB in the end (delta: -43.7 MB). Peak memory consumption was 124.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,485 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:21:58,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 996.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.32 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. [2019-10-22 11:21:58,486 INFO L168 Benchmark]: Boogie Preprocessor took 25.75 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,487 INFO L168 Benchmark]: RCFGBuilder took 199.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,487 INFO L168 Benchmark]: TraceAbstraction took 849.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,488 INFO L168 Benchmark]: Witness Printer took 61.90 ms. Allocated memory is still 1.2 GB. Free memory was 994.3 MB in the beginning and 988.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:21:58,490 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 996.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.32 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. * Boogie Preprocessor took 25.75 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: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 199.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 849.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.3 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * Witness Printer took 61.90 ms. Allocated memory is still 1.2 GB. Free memory was 994.3 MB in the beginning and 988.0 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. 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 - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - 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 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 5 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...