./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1c64eb1f7c4c25ba4398abf0f06d2c553700550 ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c1c64eb1f7c4c25ba4398abf0f06d2c553700550 ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:29:03,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:29:03,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:29:03,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:29:03,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:29:03,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:29:03,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:29:03,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:29:03,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:29:03,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:29:03,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:29:03,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:29:03,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:29:03,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:29:03,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:29:03,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:29:03,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:29:03,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:29:03,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:29:03,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:29:03,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:29:03,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:29:03,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:29:03,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:29:03,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:29:03,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:29:03,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:29:03,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:29:03,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:29:03,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:29:03,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:29:03,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:29:03,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:29:03,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:29:03,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:29:03,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:29:03,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:29:03,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:29:03,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:29:03,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:29:03,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:29:03,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:29:03,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:29:03,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:29:03,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:29:03,240 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:29:03,240 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:29:03,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:29:03,241 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:29:03,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:29:03,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:29:03,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:29:03,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:29:03,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:29:03,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:29:03,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:29:03,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:29:03,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:29:03,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:29:03,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:29:03,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:29:03,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:29:03,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:29:03,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:29:03,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:29:03,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:29:03,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:29:03,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:29:03,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:29:03,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:29:03,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:29:03,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c64eb1f7c4c25ba4398abf0f06d2c553700550 [2020-11-29 23:29:03,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:29:03,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:29:03,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:29:03,536 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:29:03,538 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:29:03,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-11-29 23:29:03,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/874f5b73d/4cf53e05dfe64920ba381b7223faa0da/FLAG5fab91a97 [2020-11-29 23:29:04,158 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:29:04,159 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-11-29 23:29:04,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/874f5b73d/4cf53e05dfe64920ba381b7223faa0da/FLAG5fab91a97 [2020-11-29 23:29:04,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/874f5b73d/4cf53e05dfe64920ba381b7223faa0da [2020-11-29 23:29:04,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:29:04,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:29:04,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:29:04,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:29:04,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:29:04,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:04" (1/1) ... [2020-11-29 23:29:04,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9e8a1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:04, skipping insertion in model container [2020-11-29 23:29:04,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:04" (1/1) ... [2020-11-29 23:29:04,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:29:04,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:29:05,113 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:2342) 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.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1749) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:2342) 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.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-29 23:29:05,119 INFO L168 Benchmark]: Toolchain (without parser) took 638.95 ms. Allocated memory is still 94.4 MB. Free memory was 63.1 MB in the beginning and 69.4 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:05,119 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:29:05,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.88 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 69.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:05,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 635.88 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 69.4 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:29:07,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:29:07,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:29:07,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:29:07,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:29:07,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:29:07,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:29:07,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:29:07,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:29:07,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:29:07,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:29:07,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:29:07,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:29:07,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:29:07,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:29:07,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:29:07,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:29:07,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:29:07,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:29:07,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:29:07,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:29:07,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:29:07,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:29:07,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:29:07,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:29:07,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:29:07,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:29:07,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:29:07,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:29:07,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:29:07,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:29:07,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:29:07,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:29:07,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:29:07,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:29:07,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:29:07,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:29:07,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:29:07,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:29:07,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:29:07,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:29:07,572 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:29:07,629 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:29:07,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:29:07,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:29:07,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:29:07,634 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:29:07,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:29:07,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:29:07,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:29:07,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:29:07,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:29:07,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:29:07,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:29:07,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:29:07,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:29:07,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:29:07,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:29:07,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:29:07,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:29:07,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:29:07,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:29:07,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:29:07,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:29:07,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:29:07,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:29:07,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:29:07,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:29:07,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:29:07,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:29:07,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:29:07,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:29:07,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:29:07,641 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c64eb1f7c4c25ba4398abf0f06d2c553700550 [2020-11-29 23:29:08,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:29:08,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:29:08,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:29:08,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:29:08,058 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:29:08,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-11-29 23:29:08,137 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/cd3707532/e46f44c40b10450d936caea3824510c2/FLAG90cb48487 [2020-11-29 23:29:08,798 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:29:08,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-11-29 23:29:08,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/cd3707532/e46f44c40b10450d936caea3824510c2/FLAG90cb48487 [2020-11-29 23:29:09,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/data/cd3707532/e46f44c40b10450d936caea3824510c2 [2020-11-29 23:29:09,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:29:09,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:29:09,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:29:09,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:29:09,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:29:09,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:09" (1/1) ... [2020-11-29 23:29:09,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb00fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:09, skipping insertion in model container [2020-11-29 23:29:09,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:29:09" (1/1) ... [2020-11-29 23:29:09,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:29:09,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:29:09,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:29:09,643 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:29:09,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:29:10,139 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:29:10,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10 WrapperNode [2020-11-29 23:29:10,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:29:10,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:29:10,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:29:10,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:29:10,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:29:10,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:29:10,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:29:10,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:29:10,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... [2020-11-29 23:29:10,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:29:10,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:29:10,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:29:10,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:29:10,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/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 [2020-11-29 23:29:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:29:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:29:10,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:29:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:29:10,810 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:29:10,810 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 23:29:10,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:29:10 BoogieIcfgContainer [2020-11-29 23:29:10,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:29:10,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:29:10,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:29:10,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:29:10,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:29:09" (1/3) ... [2020-11-29 23:29:10,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ae8a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:29:10, skipping insertion in model container [2020-11-29 23:29:10,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:29:10" (2/3) ... [2020-11-29 23:29:10,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ae8a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:29:10, skipping insertion in model container [2020-11-29 23:29:10,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:29:10" (3/3) ... [2020-11-29 23:29:10,820 INFO L111 eAbstractionObserver]: Analyzing ICFG islessequal.i [2020-11-29 23:29:10,831 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:29:10,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-29 23:29:10,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-29 23:29:10,883 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:29:10,883 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:29:10,883 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:29:10,883 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:29:10,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:29:10,889 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:29:10,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:29:10,890 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:29:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-11-29 23:29:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:29:10,908 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:29:10,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:29:10,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:29:10,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:29:10,915 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-11-29 23:29:10,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:29:10,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848923604] [2020-11-29 23:29:10,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/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 [2020-11-29 23:29:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:29:10,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 23:29:11,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:29:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:11,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:29:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:29:11,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848923604] [2020-11-29 23:29:11,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:29:11,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-29 23:29:11,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92970045] [2020-11-29 23:29:11,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 23:29:11,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:29:11,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 23:29:11,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:29:11,124 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-11-29 23:29:11,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:29:11,221 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2020-11-29 23:29:11,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:29:11,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-29 23:29:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:29:11,232 INFO L225 Difference]: With dead ends: 52 [2020-11-29 23:29:11,232 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:29:11,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 23:29:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:29:11,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:29:11,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:29:11,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:29:11,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-29 23:29:11,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:29:11,260 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:29:11,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 23:29:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:29:11,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:29:11,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:29:11,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:29:11,532 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L877-16(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L877-18(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L877-19(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,533 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,534 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,534 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,534 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,534 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,534 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,534 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L270 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:29:11,535 INFO L274 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-11-29 23:29:11,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:29:11,536 INFO L270 CegarLoopResult]: At program point L878-19(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:29:11,536 INFO L270 CegarLoopResult]: At program point L888(lines 880 889) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-29 23:29:11,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,536 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,537 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-11-29 23:29:11,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:29:11 BoogieIcfgContainer [2020-11-29 23:29:11,553 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:29:11,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:29:11,554 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:29:11,554 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:29:11,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:29:10" (3/4) ... [2020-11-29 23:29:11,558 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:29:11,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 23:29:11,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:29:11,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:29:11,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:29:11,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d87056a7-eb28-4c47-939e-492f1a7021f3/bin/uautomizer/witness.graphml [2020-11-29 23:29:11,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:29:11,621 INFO L168 Benchmark]: Toolchain (without parser) took 2556.67 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 43.9 MB in the beginning and 39.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 30.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,621 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory was 44.4 MB in the beginning and 44.3 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:29:11,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1076.01 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 43.7 MB in the beginning and 60.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.0 MB in the beginning and 57.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,623 INFO L168 Benchmark]: Boogie Preprocessor took 56.74 ms. Allocated memory is still 88.1 MB. Free memory was 57.8 MB in the beginning and 56.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,624 INFO L168 Benchmark]: RCFGBuilder took 529.67 ms. Allocated memory is still 88.1 MB. Free memory was 56.4 MB in the beginning and 41.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,624 INFO L168 Benchmark]: TraceAbstraction took 739.49 ms. Allocated memory is still 88.1 MB. Free memory was 41.1 MB in the beginning and 43.3 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:29:11,625 INFO L168 Benchmark]: Witness Printer took 64.88 ms. Allocated memory is still 88.1 MB. Free memory was 43.3 MB in the beginning and 39.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:29:11,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 62.9 MB. Free memory was 44.4 MB in the beginning and 44.3 MB in the end (delta: 53.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1076.01 ms. Allocated memory was 62.9 MB in the beginning and 88.1 MB in the end (delta: 25.2 MB). Free memory was 43.7 MB in the beginning and 60.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.68 ms. Allocated memory is still 88.1 MB. Free memory was 60.0 MB in the beginning and 57.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.74 ms. Allocated memory is still 88.1 MB. Free memory was 57.8 MB in the beginning and 56.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 529.67 ms. Allocated memory is still 88.1 MB. Free memory was 56.4 MB in the beginning and 41.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 739.49 ms. Allocated memory is still 88.1 MB. Free memory was 41.1 MB in the beginning and 43.3 MB in the end (delta: -2.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 64.88 ms. Allocated memory is still 88.1 MB. Free memory was 43.3 MB in the beginning and 39.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 4 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...