./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ad96515569c2d7effae344dbf01d07d1bda3e634 ........................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ad96515569c2d7effae344dbf01d07d1bda3e634 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 01:17:49,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:17:49,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:17:49,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:17:49,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:17:49,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:17:49,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:17:49,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:17:49,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:17:49,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:17:49,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:17:49,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:17:49,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:17:49,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:17:49,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:17:49,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:17:49,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:17:49,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:17:49,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:17:49,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:17:49,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:17:49,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:17:49,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:17:49,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:17:49,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:17:49,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:17:49,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:17:49,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:17:49,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:17:49,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:17:49,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:17:49,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:17:49,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:17:49,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:17:49,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:17:49,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:17:49,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:17:49,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:17:49,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:17:49,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:17:49,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:17:49,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 01:17:49,205 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:17:49,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:17:49,207 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:17:49,207 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:17:49,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:17:49,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:17:49,209 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:17:49,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:17:49,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:17:49,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 01:17:49,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:17:49,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:17:49,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:17:49,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:17:49,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:17:49,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:17:49,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:17:49,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:17:49,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:17:49,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:17:49,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:17:49,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 01:17:49,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 01:17:49,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:17:49,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:17:49,221 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad96515569c2d7effae344dbf01d07d1bda3e634 [2021-08-26 01:17:49,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:17:49,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:17:49,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:17:49,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:17:49,527 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:17:49,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-08-26 01:17:49,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62b7694a/6e99e93ed1e44977a7530e4291f10d8d/FLAGd95b8f820 [2021-08-26 01:17:50,152 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:17:50,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-08-26 01:17:50,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62b7694a/6e99e93ed1e44977a7530e4291f10d8d/FLAGd95b8f820 [2021-08-26 01:17:50,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d62b7694a/6e99e93ed1e44977a7530e4291f10d8d [2021-08-26 01:17:50,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:17:50,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:17:50,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:17:50,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:17:50,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:17:50,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:17:50" (1/1) ... [2021-08-26 01:17:50,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa69a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:50, skipping insertion in model container [2021-08-26 01:17:50,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:17:50" (1/1) ... [2021-08-26 01:17:50,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:17:50,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:17:51,014 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-08-26 01:17:51,029 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:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:363) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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:2349) 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.handleFloatBuiltinIsLessGreater(StandardFunctionHandler.java:1823) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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.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:1415) 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:1359) 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:1052) 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:1430) 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:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-08-26 01:17:51,035 INFO L168 Benchmark]: Toolchain (without parser) took 468.65 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.4 MB in the beginning and 49.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:51,036 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:17:51,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 49.8 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:51,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 37.0 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 465.05 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.1 MB in the beginning and 49.8 MB in the end (delta: -19.7 MB). Peak memory consumption was 8.8 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 0.2.1-dev-20ed64e [2021-08-26 01:17:52,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:17:52,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:17:52,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:17:52,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:17:52,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:17:52,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:17:52,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:17:52,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:17:52,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:17:52,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:17:52,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:17:52,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:17:52,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:17:52,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:17:52,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:17:52,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:17:52,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:17:52,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:17:52,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:17:52,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:17:52,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:17:52,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:17:52,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:17:52,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:17:52,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:17:52,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:17:52,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:17:52,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:17:52,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:17:52,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:17:52,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:17:52,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:17:52,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:17:52,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:17:52,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:17:52,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:17:52,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:17:52,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:17:52,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:17:52,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:17:52,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 01:17:52,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:17:52,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:17:52,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:17:52,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:17:52,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:17:52,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:17:52,767 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:17:52,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:17:52,767 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:17:52,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:17:52,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:17:52,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:17:52,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:17:52,769 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:17:52,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:17:52,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:17:52,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:17:52,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:17:52,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:17:52,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:17:52,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:17:52,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:17:52,770 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 01:17:52,770 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 01:17:52,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:17:52,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:17:52,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 01:17:52,771 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad96515569c2d7effae344dbf01d07d1bda3e634 [2021-08-26 01:17:53,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:17:53,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:17:53,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:17:53,067 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:17:53,067 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:17:53,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-08-26 01:17:53,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0c0caa4/2ffe1fc32ff941219469ba89b3306d98/FLAG91212f63e [2021-08-26 01:17:53,645 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:17:53,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i [2021-08-26 01:17:53,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0c0caa4/2ffe1fc32ff941219469ba89b3306d98/FLAG91212f63e [2021-08-26 01:17:54,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f0c0caa4/2ffe1fc32ff941219469ba89b3306d98 [2021-08-26 01:17:54,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:17:54,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:17:54,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:17:54,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:17:54,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:17:54,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbb7126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54, skipping insertion in model container [2021-08-26 01:17:54,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:17:54,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:17:54,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-08-26 01:17:54,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:17:54,588 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:17:54,637 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessgreater.i[36288,36301] [2021-08-26 01:17:54,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:17:54,766 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:17:54,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54 WrapperNode [2021-08-26 01:17:54,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:17:54,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:17:54,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:17:54,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:17:54,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:17:54,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:17:54,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:17:54,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:17:54,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:17:54,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:17:54,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:17:54,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:17:54,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (1/1) ... [2021-08-26 01:17:54,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:17:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:17:54,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 01:17:54,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 01:17:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 01:17:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:17:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:17:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:17:55,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:17:55,221 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-26 01:17:55,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:17:55 BoogieIcfgContainer [2021-08-26 01:17:55,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:17:55,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:17:55,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:17:55,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:17:55,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:17:54" (1/3) ... [2021-08-26 01:17:55,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a307e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:17:55, skipping insertion in model container [2021-08-26 01:17:55,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:17:54" (2/3) ... [2021-08-26 01:17:55,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a307e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:17:55, skipping insertion in model container [2021-08-26 01:17:55,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:17:55" (3/3) ... [2021-08-26 01:17:55,230 INFO L111 eAbstractionObserver]: Analyzing ICFG islessgreater.i [2021-08-26 01:17:55,251 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:17:55,251 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-08-26 01:17:55,310 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:17:55,318 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 01:17:55,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-08-26 01:17:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:17:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-26 01:17:55,333 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:17:55,334 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-26 01:17:55,335 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-08-26 01:17:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:17:55,348 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-08-26 01:17:55,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:17:55,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177397869] [2021-08-26 01:17:55,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:17:55,361 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:17:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:17:55,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:17:55,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 01:17:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:17:55,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-26 01:17:55,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:17:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:17:55,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:17:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:17:55,679 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:17:55,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177397869] [2021-08-26 01:17:55,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177397869] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:17:55,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:17:55,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-26 01:17:55,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054307968] [2021-08-26 01:17:55,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 01:17:55,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:17:55,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 01:17:55,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 01:17:55,698 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:17:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:17:55,750 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-08-26 01:17:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 01:17:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-08-26 01:17:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:17:55,757 INFO L225 Difference]: With dead ends: 37 [2021-08-26 01:17:55,757 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 01:17:55,759 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-26 01:17:55,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 01:17:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 01:17:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:17:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 01:17:55,782 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-08-26 01:17:55,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:17:55,782 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 01:17:55,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 01:17:55,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 01:17:55,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 01:17:55,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:17:55,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:17:55,785 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:17:55,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:17:55,786 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:17:55,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-26 01:17:55,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:17:55,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 01:17:55,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:17:56,069 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,069 INFO L857 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,069 INFO L857 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,070 INFO L853 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,070 INFO L857 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,070 INFO L857 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,070 INFO L853 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,070 INFO L857 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,075 INFO L857 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,075 INFO L853 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,076 INFO L857 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,076 INFO L857 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,076 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 01:17:56,076 INFO L853 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,076 INFO L857 garLoopResultBuilder]: For program point L878-16(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 01:17:56,077 INFO L857 garLoopResultBuilder]: For program point L878-17(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 01:17:56,077 INFO L853 garLoopResultBuilder]: At program point L878-19(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 01:17:56,078 INFO L853 garLoopResultBuilder]: At program point L888(lines 880 889) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-26 01:17:56,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-26 01:17:56,082 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:17:56,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:17:56 BoogieIcfgContainer [2021-08-26 01:17:56,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:17:56,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:17:56,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:17:56,112 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:17:56,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:17:55" (3/4) ... [2021-08-26 01:17:56,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 01:17:56,123 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-08-26 01:17:56,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-26 01:17:56,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:17:56,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:17:56,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 01:17:56,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:17:56,173 INFO L168 Benchmark]: Toolchain (without parser) took 2021.90 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 46.2 MB in the beginning and 66.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,173 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:17:56,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.27 ms. Allocated memory is still 67.1 MB. Free memory was 46.0 MB in the beginning and 40.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,174 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 37.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,175 INFO L168 Benchmark]: Boogie Preprocessor took 35.17 ms. Allocated memory is still 67.1 MB. Free memory was 37.5 MB in the beginning and 36.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,189 INFO L168 Benchmark]: RCFGBuilder took 359.10 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 36.1 MB in the beginning and 78.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,190 INFO L168 Benchmark]: TraceAbstraction took 886.73 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 69.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,190 INFO L168 Benchmark]: Witness Printer took 59.41 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 66.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:17:56,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 67.1 MB. Free memory was 48.1 MB in the beginning and 48.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.27 ms. Allocated memory is still 67.1 MB. Free memory was 46.0 MB in the beginning and 40.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.56 ms. Allocated memory is still 67.1 MB. Free memory was 40.0 MB in the beginning and 37.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.17 ms. Allocated memory is still 67.1 MB. Free memory was 37.5 MB in the beginning and 36.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 359.10 ms. Allocated memory was 67.1 MB in the beginning and 102.8 MB in the end (delta: 35.7 MB). Free memory was 36.1 MB in the beginning and 78.6 MB in the end (delta: -42.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 886.73 ms. Allocated memory is still 102.8 MB. Free memory was 78.1 MB in the beginning and 69.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 59.41 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 66.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 773.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 6.9ms, AutomataDifference: 72.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 77.2ms, InitialAbstractionConstructionTime: 8.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 16 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 18 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 27.6ms HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 44.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 21.1ms SsaConstructionTime, 18.4ms SatisfiabilityAnalysisTime, 227.1ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 3 NumberOfNonLiveVariables, 22 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2021-08-26 01:17:56,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...