./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e6aca64c402cd41a7e4d9ea27be751242d3021b ................................................................................................................................................................ 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/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e6aca64c402cd41a7e4d9ea27be751242d3021b ............................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:28,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:28,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:28,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:28,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:28,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:28,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:28,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:28,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:28,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:28,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:28,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:28,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:28,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:28,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:28,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:28,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:28,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:28,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:28,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:28,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:28,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:28,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:28,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:28,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:28,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:28,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:28,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:28,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:28,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:28,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:28,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:28,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:28,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:28,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:28,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:28,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:28,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:28,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:28,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:28,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:28,074 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:55:28,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:28,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:28,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:28,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:28,099 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:28,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:28,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:28,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:55:28,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:28,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:28,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:28,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:28,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:28,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:28,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:28,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:28,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:28,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:28,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:28,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:28,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:55:28,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:55:28,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:28,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2019-11-25 08:55:28,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:28,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:28,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:28,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:28,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:28,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-25 08:55:28,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/3f75c3ccd/8e517af3914f43bf8e6cfca977ab2346/FLAG769b91158 [2019-11-25 08:55:28,856 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:28,856 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-25 08:55:28,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/3f75c3ccd/8e517af3914f43bf8e6cfca977ab2346/FLAG769b91158 [2019-11-25 08:55:29,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/3f75c3ccd/8e517af3914f43bf8e6cfca977ab2346 [2019-11-25 08:55:29,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:29,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:29,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:29,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:29,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:29,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:29" (1/1) ... [2019-11-25 08:55:29,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c7b2276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:29, skipping insertion in model container [2019-11-25 08:55:29,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:29" (1/1) ... [2019-11-25 08:55:29,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:29,233 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:29,740 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: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) 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:1349) 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:1028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1614) 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:1349) 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:1300) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-25 08:55:29,748 INFO L168 Benchmark]: Toolchain (without parser) took 574.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:29,749 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:55:29,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:55:29,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 567.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:55:31,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:55:31,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:55:31,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:55:31,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:55:31,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:55:31,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:55:31,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:55:31,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:55:31,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:55:31,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:55:31,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:55:31,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:55:31,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:55:31,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:55:31,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:55:31,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:55:31,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:55:31,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:55:31,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:55:31,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:55:31,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:55:31,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:55:31,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:55:31,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:55:31,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:55:31,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:55:31,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:55:31,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:55:31,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:55:31,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:55:31,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:55:31,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:55:31,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:55:31,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:55:31,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:55:31,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:55:31,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:55:31,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:55:31,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:55:31,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:55:31,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:55:31,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:55:31,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:55:31,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:55:31,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:55:31,575 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:55:31,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:55:31,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:55:31,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:55:31,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:55:31,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:55:31,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:55:31,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:55:31,577 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:55:31,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:55:31,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:55:31,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:55:31,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:55:31,578 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:55:31,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:55:31,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:55:31,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:55:31,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:55:31,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:55:31,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:31,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:55:31,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:55:31,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:55:31,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:55:31,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:55:31,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:55:31,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:55:31,581 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/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6aca64c402cd41a7e4d9ea27be751242d3021b [2019-11-25 08:55:31,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:55:31,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:55:31,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:55:31,861 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:55:31,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:55:31,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-25 08:55:31,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/b3b62fdbf/db0336ac823e42b290644237964a956e/FLAG93b0c1b65 [2019-11-25 08:55:32,411 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:55:32,412 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-25 08:55:32,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/b3b62fdbf/db0336ac823e42b290644237964a956e/FLAG93b0c1b65 [2019-11-25 08:55:32,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/data/b3b62fdbf/db0336ac823e42b290644237964a956e [2019-11-25 08:55:32,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:55:32,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:55:32,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:32,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:55:32,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:55:32,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:32" (1/1) ... [2019-11-25 08:55:32,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fd513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:32, skipping insertion in model container [2019-11-25 08:55:32,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:55:32" (1/1) ... [2019-11-25 08:55:32,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:55:32,848 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:55:33,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:33,422 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:55:33,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:55:33,800 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:55:33,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33 WrapperNode [2019-11-25 08:55:33,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:55:33,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:33,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:55:33,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:55:33,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:55:33,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:55:33,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:55:33,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:55:33,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... [2019-11-25 08:55:33,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:55:33,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:55:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:55:33,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:55:33,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:55:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:55:34,555 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:55:34,556 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:55:34,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34 BoogieIcfgContainer [2019-11-25 08:55:34,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:55:34,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:55:34,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:55:34,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:55:34,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:55:32" (1/3) ... [2019-11-25 08:55:34,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61710323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:34, skipping insertion in model container [2019-11-25 08:55:34,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:55:33" (2/3) ... [2019-11-25 08:55:34,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61710323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:55:34, skipping insertion in model container [2019-11-25 08:55:34,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34" (3/3) ... [2019-11-25 08:55:34,564 INFO L109 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2019-11-25 08:55:34,577 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:55:34,583 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:55:34,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:55:34,616 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:55:34,616 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:55:34,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:55:34,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:55:34,617 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:55:34,617 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:55:34,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:55:34,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:55:34,631 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-25 08:55:34,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:55:34,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:55:34,637 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:55:34,637 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:55:34,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:55:34,643 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-25 08:55:34,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:55:34,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954335787] [2019-11-25 08:55:34,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 08:55:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:55:36,697 WARN L253 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-25 08:55:36,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:55:36,747 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:55:53,404 WARN L192 SmtUtils]: Spent 10.87 s on a formula simplification that was a NOOP. DAG size: 28 [2019-11-25 08:55:59,510 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.isInfinite ULTIMATE.start_main_~d~0)) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (not (fp.isNaN ULTIMATE.start_main_~d~0)))) is different from false [2019-11-25 08:56:01,524 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.isInfinite ULTIMATE.start_main_~d~0)) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (not (fp.isNaN ULTIMATE.start_main_~d~0)))) is different from true [2019-11-25 08:56:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:01,526 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-25 08:56:05,610 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) is different from false [2019-11-25 08:56:07,639 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) is different from true [2019-11-25 08:56:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:07,641 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954335787] [2019-11-25 08:56:07,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:56:07,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 6 [2019-11-25 08:56:07,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073053166] [2019-11-25 08:56:07,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:56:07,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-25 08:56:07,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:56:07,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=12, Unknown=5, NotChecked=14, Total=42 [2019-11-25 08:56:07,658 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 7 states. [2019-11-25 08:56:09,705 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_4 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_4) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_4))) (fp.isNaN v_ULTIMATE.start_main_~d~0_4) (not (fp.lt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))) (not (fp.gt v_ULTIMATE.start_main_~d~0_4 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isInfinite v_ULTIMATE.start_main_~d~0_4))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-11-25 08:56:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:56:10,548 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-25 08:56:10,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:56:10,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 4 [2019-11-25 08:56:10,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:56:10,559 INFO L225 Difference]: With dead ends: 13 [2019-11-25 08:56:10,559 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:56:10,565 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=17, Invalid=19, Unknown=6, NotChecked=30, Total=72 [2019-11-25 08:56:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:56:10,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:56:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:56:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:56:10,591 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-25 08:56:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:56:10,592 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:10,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:56:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:56:10,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:56:10,814 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:56:10,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:56:10,856 INFO L444 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-25 08:56:10,856 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:56:10,856 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:56:10,856 INFO L440 ceAbstractionStarter]: At program point L994-3(line 994) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:56:10,856 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:56:10,857 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:56:10,857 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-25 08:56:10,857 INFO L440 ceAbstractionStarter]: At program point L1009(lines 998 1010) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-25 08:56:10,857 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-25 08:56:10,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:56:10 BoogieIcfgContainer [2019-11-25 08:56:10,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:56:10,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:10,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:10,869 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:10,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:55:34" (3/4) ... [2019-11-25 08:56:10,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:56:10,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:56:10,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:56:10,883 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:56:10,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd757e23-c3f2-41c1-9efe-bd454cf81f56/bin/uautomizer/witness.graphml [2019-11-25 08:56:10,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:10,919 INFO L168 Benchmark]: Toolchain (without parser) took 38143.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.1 MB in the beginning and 979.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:10,919 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:10,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:10,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:10,921 INFO L168 Benchmark]: Boogie Preprocessor took 48.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:10,922 INFO L168 Benchmark]: RCFGBuilder took 634.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:10,922 INFO L168 Benchmark]: TraceAbstraction took 36310.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 979.5 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:10,923 INFO L168 Benchmark]: Witness Printer took 48.45 ms. Allocated memory is still 1.2 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:10,928 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1024.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -87.1 MB). Peak memory consumption was 83.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 634.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36310.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 979.5 MB in the end (delta: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.45 ms. Allocated memory is still 1.2 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 998]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 36.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 30.9s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 3 QuantifiedInterpolants, 303 SizeOfPredicates, 5 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 8 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...