./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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 0.1.24-678e011 [2019-11-20 04:43:39,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:43:39,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:43:39,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:43:39,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:43:39,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:43:39,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:43:39,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:43:39,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:43:39,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:43:39,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:43:39,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:43:39,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:43:39,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:43:39,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:43:39,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:43:39,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:43:39,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:43:39,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:43:39,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:43:39,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:43:39,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:43:39,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:43:39,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:43:39,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:43:39,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:43:39,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:43:39,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:43:39,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:43:39,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:43:39,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:43:39,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:43:39,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:43:39,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:43:39,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:43:39,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:43:39,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:43:39,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:43:39,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:43:39,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:43:39,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:43:39,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 04:43:39,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:43:39,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:43:39,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:43:39,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:43:39,172 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:43:39,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:43:39,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:43:39,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:43:39,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:43:39,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:43:39,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:43:39,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:43:39,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:43:39,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:43:39,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:43:39,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:43:39,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:43:39,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:43:39,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:43:39,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:43:39,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:43:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:43:39,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:43:39,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:43:39,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:43:39,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 04:43:39,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:43:39,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:43:39,178 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_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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 [2019-11-20 04:43:39,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:43:39,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:43:39,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:43:39,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:43:39,410 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:43:39,412 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-20 04:43:39,491 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/f38a8197d/6576001ddd68481eaf9bc507d95d1506/FLAGdb23fb1fe [2019-11-20 04:43:40,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:43:40,134 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-20 04:43:40,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/f38a8197d/6576001ddd68481eaf9bc507d95d1506/FLAGdb23fb1fe [2019-11-20 04:43:40,338 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/f38a8197d/6576001ddd68481eaf9bc507d95d1506 [2019-11-20 04:43:40,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:43:40,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:43:40,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:43:40,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:43:40,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:43:40,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:40" (1/1) ... [2019-11-20 04:43:40,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aee12f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:40, skipping insertion in model container [2019-11-20 04:43:40,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:40" (1/1) ... [2019-11-20 04:43:40,360 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:43:40,425 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:43:41,017 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:1644) 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:941) 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:2226) 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:2226) 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:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1616) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 04:43:41,028 INFO L168 Benchmark]: Toolchain (without parser) took 684.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:43:41,034 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:43:41,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 04:43:41,038 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 681.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -232.2 MB). Peak memory consumption was 23.6 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: 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 0.1.24-678e011 [2019-11-20 04:43:43,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:43:43,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:43:43,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:43:43,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:43:43,034 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:43:43,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:43:43,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:43:43,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:43:43,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:43:43,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:43:43,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:43:43,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:43:43,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:43:43,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:43:43,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:43:43,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:43:43,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:43:43,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:43:43,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:43:43,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:43:43,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:43:43,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:43:43,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:43:43,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:43:43,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:43:43,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:43:43,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:43:43,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:43:43,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:43:43,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:43:43,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:43:43,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:43:43,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:43:43,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:43:43,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:43:43,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:43:43,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:43:43,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:43:43,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:43:43,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:43:43,073 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 04:43:43,090 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:43:43,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:43:43,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:43:43,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:43:43,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 04:43:43,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:43:43,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:43:43,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:43:43,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:43:43,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:43:43,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:43:43,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:43:43,095 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:43:43,095 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:43:43,095 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:43:43,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:43:43,096 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:43:43,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:43:43,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:43:43,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 04:43:43,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:43:43,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 04:43:43,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 04:43:43,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:43:43,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:43:43,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:43:43,098 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 04:43:43,099 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:43:43,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:43:43,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:43:43,099 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_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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 [2019-11-20 04:43:43,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:43:43,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:43:43,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:43:43,473 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:43:43,473 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:43:43,474 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-20 04:43:43,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/df86f2962/7f096dfaa1184f5b97122df417802b62/FLAGc0c8b4057 [2019-11-20 04:43:44,067 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:43:44,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2019-11-20 04:43:44,088 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/df86f2962/7f096dfaa1184f5b97122df417802b62/FLAGc0c8b4057 [2019-11-20 04:43:44,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/data/df86f2962/7f096dfaa1184f5b97122df417802b62 [2019-11-20 04:43:44,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:43:44,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:43:44,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:43:44,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:43:44,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:43:44,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:44" (1/1) ... [2019-11-20 04:43:44,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775d4bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:44, skipping insertion in model container [2019-11-20 04:43:44,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:43:44" (1/1) ... [2019-11-20 04:43:44,428 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:43:44,496 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:43:45,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:43:45,071 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:43:45,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:43:45,570 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:43:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45 WrapperNode [2019-11-20 04:43:45,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:43:45,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:43:45,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:43:45,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:43:45,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:43:45,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:43:45,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:43:45,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:43:45,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... [2019-11-20 04:43:45,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:43:45,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:43:45,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:43:45,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:43:45,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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 [2019-11-20 04:43:45,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:43:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:43:46,435 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:43:46,436 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-20 04:43:46,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:46 BoogieIcfgContainer [2019-11-20 04:43:46,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:43:46,439 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 04:43:46,439 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 04:43:46,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 04:43:46,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:43:44" (1/3) ... [2019-11-20 04:43:46,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b07028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:43:46, skipping insertion in model container [2019-11-20 04:43:46,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:43:45" (2/3) ... [2019-11-20 04:43:46,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b07028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:43:46, skipping insertion in model container [2019-11-20 04:43:46,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:46" (3/3) ... [2019-11-20 04:43:46,447 INFO L109 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2019-11-20 04:43:46,458 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 04:43:46,466 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 04:43:46,480 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 04:43:46,516 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 04:43:46,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 04:43:46,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 04:43:46,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 04:43:46,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 04:43:46,517 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 04:43:46,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 04:43:46,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 04:43:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-20 04:43:46,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 04:43:46,552 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 04:43:46,553 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 04:43:46,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 04:43:46,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:43:46,561 INFO L82 PathProgramCache]: Analyzing trace with hash 30882, now seen corresponding path program 1 times [2019-11-20 04:43:46,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 04:43:46,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409897184] [2019-11-20 04:43:46,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/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 [2019-11-20 04:43:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:43:49,076 WARN L253 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:43:49,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:43:49,120 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 04:44:05,811 WARN L191 SmtUtils]: Spent 10.71 s on a formula simplification that was a NOOP. DAG size: 26 [2019-11-20 04:44:11,935 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))) (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 [2019-11-20 04:44:13,941 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))) (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 [2019-11-20 04:44:13,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:44:13,942 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 04:44:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 04:44:15,986 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409897184] [2019-11-20 04:44:15,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 04:44:15,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 4 [2019-11-20 04:44:15,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830918148] [2019-11-20 04:44:15,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 04:44:15,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 04:44:16,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 04:44:16,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=6, Unknown=3, NotChecked=4, Total=20 [2019-11-20 04:44:16,003 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2019-11-20 04:44:16,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 04:44:16,057 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-20 04:44:16,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 04:44:16,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 3 [2019-11-20 04:44:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 04:44:16,067 INFO L225 Difference]: With dead ends: 12 [2019-11-20 04:44:16,067 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 04:44:16,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=11, Invalid=10, Unknown=3, NotChecked=6, Total=30 [2019-11-20 04:44:16,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 04:44:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 04:44:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 04:44:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 04:44:16,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-11-20 04:44:16,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 04:44:16,095 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 04:44:16,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 04:44:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 04:44:16,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:44:16,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 04:44:16,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 04:44:16,336 INFO L444 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2019-11-20 04:44:16,336 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 04:44:16,337 INFO L440 ceAbstractionStarter]: At program point L994-3(line 994) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 04:44:16,337 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 04:44:16,337 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 04:44:16,337 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-20 04:44:16,337 INFO L440 ceAbstractionStarter]: At program point L1009(lines 998 1010) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-20 04:44:16,337 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-20 04:44:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 04:44:16 BoogieIcfgContainer [2019-11-20 04:44:16,350 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 04:44:16,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:44:16,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:44:16,351 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:44:16,351 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:43:46" (3/4) ... [2019-11-20 04:44:16,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:44:16,364 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 04:44:16,365 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 04:44:16,403 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b5c47edf-3634-4f2a-a94f-4634f6e90fb4/bin/uautomizer/witness.graphml [2019-11-20 04:44:16,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:44:16,404 INFO L168 Benchmark]: Toolchain (without parser) took 31996.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.4 MB in the beginning and 979.1 MB in the end (delta: -22.7 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:44:16,405 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:44:16,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1162.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -81.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-11-20 04:44:16,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.90 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. [2019-11-20 04:44:16,407 INFO L168 Benchmark]: Boogie Preprocessor took 27.12 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. [2019-11-20 04:44:16,407 INFO L168 Benchmark]: RCFGBuilder took 773.21 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. [2019-11-20 04:44:16,408 INFO L168 Benchmark]: TraceAbstraction took 29910.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:44:16,409 INFO L168 Benchmark]: Witness Printer took 52.81 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 979.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:44:16,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1162.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.4 MB in the beginning and 1.0 GB in the end (delta: -81.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.90 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 27.12 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. * RCFGBuilder took 773.21 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 29910.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 985.6 MB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.81 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 979.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. 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, 8 locations, 1 error locations. Result: SAFE, OverallTime: 29.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2.4s SatisfiabilityAnalysisTime, 26.9s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 2 QuantifiedInterpolants, 130 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 6 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...