./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/isless.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/isless.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 f41702c7d40626c92e3d083fcb074e6568a31805 ....................................................................................................................................................................................... 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/isless.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 f41702c7d40626c92e3d083fcb074e6568a31805 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 07:48:58,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:48:58,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:48:58,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:48:58,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:48:58,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:48:58,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:48:58,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:48:58,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:48:58,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:48:58,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:48:58,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:48:58,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:48:58,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:48:58,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:48:58,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:48:58,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:48:58,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:48:58,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:48:58,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:48:58,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:48:58,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:48:58,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:48:58,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:48:58,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:48:58,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:48:58,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:48:58,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:48:58,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:48:58,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:48:58,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:48:58,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:48:58,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:48:58,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:48:58,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:48:58,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:48:58,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:48:58,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:48:58,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:48:58,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:48:58,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:48:58,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 07:48:58,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:48:58,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:48:58,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:48:58,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:48:58,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:48:58,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:48:58,123 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:48:58,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:48:58,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:48:58,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:48:58,124 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:48:58,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:48:58,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:48:58,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:48:58,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:48:58,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 07:48:58,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 07:48:58,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:48:58,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:48:58,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2021-08-29 07:48:58,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:48:58,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:48:58,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:48:58,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:48:58,422 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:48:58,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isless.i [2021-08-29 07:48:58,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455cc1376/7ddb52bee1674893ad1d4417c5bd00e6/FLAGb149bf5ad [2021-08-29 07:48:58,888 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:48:58,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isless.i [2021-08-29 07:48:58,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455cc1376/7ddb52bee1674893ad1d4417c5bd00e6/FLAGb149bf5ad [2021-08-29 07:48:58,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455cc1376/7ddb52bee1674893ad1d4417c5bd00e6 [2021-08-29 07:48:58,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:48:58,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:48:58,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:48:58,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:48:58,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:48:58,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:58" (1/1) ... [2021-08-29 07:48:58,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9b9c28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:58, skipping insertion in model container [2021-08-29 07:48:58,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:58" (1/1) ... [2021-08-29 07:48:58,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:48:58,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:48:59,284 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/isless.i[36281,36294] [2021-08-29 07:48:59,290 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.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1753) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:370) 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.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) [2021-08-29 07:48:59,295 INFO L158 Benchmark]: Toolchain (without parser) took 385.46ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 22.6MB in the beginning and 38.3MB in the end (delta: -15.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-08-29 07:48:59,296 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:48:59,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.84ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 22.4MB in the beginning and 38.3MB in the end (delta: -15.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-08-29 07:48:59,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.5MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.84ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 22.4MB in the beginning and 38.3MB in the end (delta: -15.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * 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-wip.dd.seqcomp-5fbdf5b [2021-08-29 07:49:00,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:49:00,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:49:00,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:49:00,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:49:00,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:49:00,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:49:00,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:49:00,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:49:00,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:49:00,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:49:00,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:49:00,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:49:00,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:49:00,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:49:00,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:49:00,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:49:00,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:49:00,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:49:00,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:49:00,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:49:00,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:49:00,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:49:00,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:49:00,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:49:00,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:49:00,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:49:00,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:49:00,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:49:00,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:49:00,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:49:00,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:49:00,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:49:00,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:49:00,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:49:00,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:49:00,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:49:00,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:49:00,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:49:00,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:49:00,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:49:00,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 07:49:01,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:49:01,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:49:01,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:49:01,012 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:49:01,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:49:01,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:49:01,013 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:49:01,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:49:01,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:49:01,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:49:01,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:49:01,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:49:01,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:49:01,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:49:01,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:49:01,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:49:01,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:49:01,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:49:01,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:49:01,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:49:01,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 07:49:01,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 07:49:01,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:49:01,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:49:01,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 07:49:01,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2021-08-29 07:49:01,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:49:01,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:49:01,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:49:01,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:49:01,400 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:49:01,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isless.i [2021-08-29 07:49:01,477 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e146e09/96f1541194824daca73a64d7aa8958ca/FLAG377be4483 [2021-08-29 07:49:02,022 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:49:02,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isless.i [2021-08-29 07:49:02,035 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e146e09/96f1541194824daca73a64d7aa8958ca/FLAG377be4483 [2021-08-29 07:49:02,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e146e09/96f1541194824daca73a64d7aa8958ca [2021-08-29 07:49:02,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:49:02,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:49:02,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:02,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:49:02,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:49:02,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3aac91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02, skipping insertion in model container [2021-08-29 07:49:02,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:49:02,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:49:02,675 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/isless.i[36281,36294] [2021-08-29 07:49:02,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:49:02,688 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 07:49:02,710 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/isless.i[36281,36294] [2021-08-29 07:49:02,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:49:02,791 INFO L208 MainTranslator]: Completed translation [2021-08-29 07:49:02,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02 WrapperNode [2021-08-29 07:49:02,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 07:49:02,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 07:49:02,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 07:49:02,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 07:49:02,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 07:49:02,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 07:49:02,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 07:49:02,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 07:49:02,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 07:49:02,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 07:49:02,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 07:49:02,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 07:49:02,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (1/1) ... [2021-08-29 07:49:02,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:49:02,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 07:49:02,901 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) [2021-08-29 07:49:02,918 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 [2021-08-29 07:49:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 07:49:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 07:49:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 07:49:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 07:49:03,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 07:49:03,020 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-29 07:49:03,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:49:03 BoogieIcfgContainer [2021-08-29 07:49:03,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 07:49:03,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 07:49:03,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 07:49:03,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 07:49:03,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:49:02" (1/3) ... [2021-08-29 07:49:03,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe1a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:49:03, skipping insertion in model container [2021-08-29 07:49:03,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:49:02" (2/3) ... [2021-08-29 07:49:03,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe1a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:49:03, skipping insertion in model container [2021-08-29 07:49:03,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:49:03" (3/3) ... [2021-08-29 07:49:03,025 INFO L111 eAbstractionObserver]: Analyzing ICFG isless.i [2021-08-29 07:49:03,028 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 07:49:03,028 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-29 07:49:03,056 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 07:49:03,060 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 [2021-08-29 07:49:03,060 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-29 07:49:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 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) [2021-08-29 07:49:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-29 07:49:03,070 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 07:49:03,071 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-29 07:49:03,071 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-08-29 07:49:03,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 07:49:03,074 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-08-29 07:49:03,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 07:49:03,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690715520] [2021-08-29 07:49:03,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 07:49:03,082 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 07:49:03,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 07:49:03,097 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) [2021-08-29 07:49:03,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 07:49:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 07:49:03,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 07:49:03,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 07:49:03,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 07:49:03,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 07:49:03,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 07:49:03,329 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 07:49:03,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690715520] [2021-08-29 07:49:03,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690715520] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 07:49:03,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 07:49:03,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-29 07:49:03,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502936691] [2021-08-29 07:49:03,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 07:49:03,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 07:49:03,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 07:49:03,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 07:49:03,354 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 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) [2021-08-29 07:49:03,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 07:49:03,401 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2021-08-29 07:49:03,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 07:49:03,402 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 [2021-08-29 07:49:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 07:49:03,406 INFO L225 Difference]: With dead ends: 31 [2021-08-29 07:49:03,406 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 07:49:03,408 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.66ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 07:49:03,411 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 14 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.54ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.48ms IncrementalHoareTripleChecker+Time [2021-08-29 07:49:03,412 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.54ms Time], IncrementalHoareTripleChecker [9 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 33.48ms Time] [2021-08-29 07:49:03,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 07:49:03,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 07:49:03,425 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) [2021-08-29 07:49:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 07:49:03,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-08-29 07:49:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 07:49:03,426 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 07:49:03,427 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) [2021-08-29 07:49:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 07:49:03,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 07:49:03,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-08-29 07:49:03,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-08-29 07:49:03,431 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-08-29 07:49:03,432 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-08-29 07:49:03,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-29 07:49:03,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 07:49:03,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 07:49:03,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:49:03,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:49:03,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:49:03,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:49:03,679 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:49:03,687 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 07:49:03,687 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,688 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,688 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,688 INFO L858 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,688 INFO L854 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:49:03,688 INFO L858 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,688 INFO L858 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,689 INFO L854 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:49:03,689 INFO L858 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,692 INFO L858 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,692 INFO L854 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:49:03,692 INFO L858 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,692 INFO L858 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,692 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 07:49:03,693 INFO L854 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:49:03,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 07:49:03,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 07:49:03,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:49:03,693 INFO L854 garLoopResultBuilder]: At program point L887(lines 880 888) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:49:03,696 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 07:49:03,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:49:03 BoogieIcfgContainer [2021-08-29 07:49:03,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 07:49:03,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 07:49:03,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 07:49:03,714 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 07:49:03,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:49:03" (3/4) ... [2021-08-29 07:49:03,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 07:49:03,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 07:49:03,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 07:49:03,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:49:03,723 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:49:03,748 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 07:49:03,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 07:49:03,750 INFO L158 Benchmark]: Toolchain (without parser) took 1377.21ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 44.2MB in the beginning and 41.5MB in the end (delta: 2.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,750 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:49:03,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.22ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 58.6MB in the end (delta: -14.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 56.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,752 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,753 INFO L158 Benchmark]: RCFGBuilder took 145.02ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 46.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,753 INFO L158 Benchmark]: TraceAbstraction took 690.35ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 44.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,753 INFO L158 Benchmark]: Witness Printer took 36.29ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:49:03,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.22ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 44.1MB in the beginning and 58.6MB in the end (delta: -14.5MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 56.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 55.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 145.02ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 46.0MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 690.35ms. Allocated memory is still 88.1MB. Free memory was 45.7MB in the beginning and 44.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. * Witness Printer took 36.29ms. Allocated memory is still 88.1MB. Free memory was 44.1MB in the beginning and 41.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 640.68ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 5.07ms, AutomataDifference: 79.58ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 32.24ms, InitialAbstractionConstructionTime: 4.97ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 33.48ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 28.53ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 0 mSDtfsCounter, 13 mSolverCounterSat, 0.54ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.66ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 5.69ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 21.69ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 6.03ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.74ms SsaConstructionTime, 16.16ms SatisfiabilityAnalysisTime, 163.44ms 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 4 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: 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 RESULT: Ultimate proved your program to be correct! [2021-08-29 07:49:03,788 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...