./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/isgreater.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/isgreater.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 1cb5831088be39301178979adb7a9db4d46c753f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/isgreater.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 1cb5831088be39301178979adb7a9db4d46c753f ......................................................................................................................................................................................................................................................................................................................... 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 07:48:50,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:48:50,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:48:50,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:48:50,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:48:50,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:48:50,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:48:50,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:48:50,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:48:50,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:48:50,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:48:50,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:48:50,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:48:50,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:48:50,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:48:50,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:48:50,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:48:50,325 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:48:50,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:48:50,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:48:50,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:48:50,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:48:50,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:48:50,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:48:50,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:48:50,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:48:50,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:48:50,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:48:50,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:48:50,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:48:50,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:48:50,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:48:50,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:48:50,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:48:50,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:48:50,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:48:50,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:48:50,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:48:50,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:48:50,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:48:50,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:48:50,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 07:48:50,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:48:50,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:48:50,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:48:50,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:48:50,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:48:50,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:48:50,379 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:48:50,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:48:50,379 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:48:50,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 07:48:50,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:48:50,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:48:50,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:48:50,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:48:50,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:48:50,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:48:50,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:48:50,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:48:50,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2021-08-29 07:48:50,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:48:50,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:48:50,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:48:50,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:48:50,819 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:48:50,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-08-29 07:48:50,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df1e3df4/abdd2d9cf87d4a74860610ff1cf3ef93/FLAGb2ec62a56 [2021-08-29 07:48:51,287 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:48:51,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-08-29 07:48:51,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df1e3df4/abdd2d9cf87d4a74860610ff1cf3ef93/FLAGb2ec62a56 [2021-08-29 07:48:51,312 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7df1e3df4/abdd2d9cf87d4a74860610ff1cf3ef93 [2021-08-29 07:48:51,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:48:51,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:48:51,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:48:51,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:48:51,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:48:51,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:51" (1/1) ... [2021-08-29 07:48:51,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4807b43b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:51, skipping insertion in model container [2021-08-29 07:48:51,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:51" (1/1) ... [2021-08-29 07:48:51,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:48:51,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:48:51,602 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/isgreater.i[36284,36297] [2021-08-29 07:48:51,625 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$47(StandardFunctionHandler.java:366) 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) [2021-08-29 07:48:51,628 INFO L158 Benchmark]: Toolchain (without parser) took 311.45ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.2MB in the beginning and 53.4MB in the end (delta: -25.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-08-29 07:48:51,629 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:48:51,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.94ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.1MB in the beginning and 53.4MB in the end (delta: -25.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-08-29 07:48:51,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 47.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.94ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 28.1MB in the beginning and 53.4MB in the end (delta: -25.3MB). 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 07:48:52,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:48:52,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:48:52,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:48:52,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:48:52,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:48:52,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:48:52,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:48:52,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:48:52,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:48:52,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:48:52,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:48:52,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:48:52,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:48:52,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:48:52,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:48:52,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:48:52,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:48:52,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:48:52,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:48:52,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:48:52,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:48:52,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:48:52,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:48:52,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:48:52,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:48:52,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:48:52,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:48:52,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:48:52,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:48:52,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:48:52,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:48:52,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:48:52,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:48:52,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:48:52,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:48:52,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:48:52,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:48:52,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:48:52,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:48:52,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:48:52,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 07:48:52,971 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:48:52,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:48:52,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:48:52,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:48:52,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:48:52,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:48:52,973 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:48:52,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:48:52,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:48:52,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:48:52,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:48:52,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:48:52,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:48:52,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:48:52,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:48:52,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:48:52,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:48:52,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:48:52,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:48:52,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:48:52,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:48:52,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:48:52,977 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 07:48:52,977 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 07:48:52,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:48:52,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:48:52,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 07:48:52,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2021-08-29 07:48:53,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:48:53,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:48:53,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:48:53,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:48:53,209 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:48:53,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-08-29 07:48:53,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05a3376e/e3c88746af714022892182e4bc5e6f97/FLAG7bfd5a143 [2021-08-29 07:48:53,700 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:48:53,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isgreater.i [2021-08-29 07:48:53,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05a3376e/e3c88746af714022892182e4bc5e6f97/FLAG7bfd5a143 [2021-08-29 07:48:54,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a05a3376e/e3c88746af714022892182e4bc5e6f97 [2021-08-29 07:48:54,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:48:54,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:48:54,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:48:54,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:48:54,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:48:54,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a54bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54, skipping insertion in model container [2021-08-29 07:48:54,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:48:54,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:48:54,401 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/isgreater.i[36284,36297] [2021-08-29 07:48:54,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:48:54,438 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 07:48:54,484 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/isgreater.i[36284,36297] [2021-08-29 07:48:54,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:48:54,613 INFO L208 MainTranslator]: Completed translation [2021-08-29 07:48:54,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54 WrapperNode [2021-08-29 07:48:54,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 07:48:54,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 07:48:54,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 07:48:54,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 07:48:54,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 07:48:54,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 07:48:54,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 07:48:54,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 07:48:54,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 07:48:54,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 07:48:54,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 07:48:54,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 07:48:54,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (1/1) ... [2021-08-29 07:48:54,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:48:54,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 07:48:54,815 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 07:48:54,817 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 07:48:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 07:48:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 07:48:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 07:48:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 07:48:55,017 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 07:48:55,018 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-29 07:48:55,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:48:55 BoogieIcfgContainer [2021-08-29 07:48:55,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 07:48:55,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 07:48:55,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 07:48:55,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 07:48:55,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:48:54" (1/3) ... [2021-08-29 07:48:55,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dbaba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:48:55, skipping insertion in model container [2021-08-29 07:48:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:48:54" (2/3) ... [2021-08-29 07:48:55,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30dbaba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:48:55, skipping insertion in model container [2021-08-29 07:48:55,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:48:55" (3/3) ... [2021-08-29 07:48:55,024 INFO L111 eAbstractionObserver]: Analyzing ICFG isgreater.i [2021-08-29 07:48:55,027 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 07:48:55,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-08-29 07:48:55,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 07:48:55,107 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 07:48:55,107 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-29 07:48:55,132 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 07:48:55,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-29 07:48:55,135 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 07:48:55,135 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-29 07:48:55,136 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 07:48:55,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 07:48:55,143 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2021-08-29 07:48:55,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 07:48:55,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725065063] [2021-08-29 07:48:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 07:48:55,151 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 07:48:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 07:48:55,165 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 07:48:55,168 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 07:48:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 07:48:55,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 07:48:55,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 07:48:55,285 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 07:48:55,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 07:48:55,304 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 07:48:55,305 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 07:48:55,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725065063] [2021-08-29 07:48:55,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725065063] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 07:48:55,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 07:48:55,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-08-29 07:48:55,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134566060] [2021-08-29 07:48:55,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 07:48:55,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 07:48:55,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 07:48:55,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 07:48:55,333 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 07:48:55,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 07:48:55,368 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2021-08-29 07:48:55,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 07:48:55,370 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 07:48:55,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 07:48:55,374 INFO L225 Difference]: With dead ends: 31 [2021-08-29 07:48:55,374 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 07:48:55,375 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.75ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 07:48:55,378 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 14 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.49ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.17ms IncrementalHoareTripleChecker+Time [2021-08-29 07:48:55,378 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.49ms Time], IncrementalHoareTripleChecker [9 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 23.17ms Time] [2021-08-29 07:48:55,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 07:48:55,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 07:48:55,391 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 07:48:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 07:48:55,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-08-29 07:48:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 07:48:55,392 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 07:48:55,393 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 07:48:55,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 07:48:55,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 07:48:55,394 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-08-29 07:48:55,395 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2021-08-29 07:48:55,395 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2021-08-29 07:48:55,395 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-08-29 07:48:55,405 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 07:48:55,603 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 07:48:55,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 07:48:55,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:48:55,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:48:55,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:48:55,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:48:55,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:48:55,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 07:48:55,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,638 INFO L858 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,639 INFO L858 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,639 INFO L854 garLoopResultBuilder]: At program point L878-3(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:48:55,639 INFO L858 garLoopResultBuilder]: For program point L878-4(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,639 INFO L858 garLoopResultBuilder]: For program point L878-5(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,639 INFO L854 garLoopResultBuilder]: At program point L878-7(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:48:55,639 INFO L858 garLoopResultBuilder]: For program point L878-8(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,640 INFO L858 garLoopResultBuilder]: For program point L878-9(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,640 INFO L854 garLoopResultBuilder]: At program point L878-11(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:48:55,640 INFO L858 garLoopResultBuilder]: For program point L878-12(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,640 INFO L858 garLoopResultBuilder]: For program point L878-13(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,640 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 07:48:55,640 INFO L854 garLoopResultBuilder]: At program point L878-15(line 878) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:48:55,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 07:48:55,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 07:48:55,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2021-08-29 07:48:55,641 INFO L854 garLoopResultBuilder]: At program point L887(lines 880 888) the Hoare annotation is: (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) [2021-08-29 07:48:55,644 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 07:48:55,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:48:55 BoogieIcfgContainer [2021-08-29 07:48:55,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 07:48:55,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 07:48:55,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 07:48:55,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 07:48:55,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:48:55" (3/4) ... [2021-08-29 07:48:55,658 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 07:48:55,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-08-29 07:48:55,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 07:48:55,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:48:55,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:48:55,692 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 07:48:55,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 07:48:55,693 INFO L158 Benchmark]: Toolchain (without parser) took 1644.62ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 49.3MB in the beginning and 80.2MB in the end (delta: -30.9MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,693 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:48:55,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.02ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 49.2MB in the beginning and 89.6MB in the end (delta: -40.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.42ms. Allocated memory is still 113.2MB. Free memory was 89.6MB in the beginning and 87.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,694 INFO L158 Benchmark]: Boogie Preprocessor took 40.78ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 85.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,694 INFO L158 Benchmark]: RCFGBuilder took 275.77ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 77.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,695 INFO L158 Benchmark]: TraceAbstraction took 633.14ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 83.0MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:48:55,695 INFO L158 Benchmark]: Witness Printer took 36.56ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 80.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:48:55,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.02ms. Allocated memory was 69.2MB in the beginning and 113.2MB in the end (delta: 44.0MB). Free memory was 49.2MB in the beginning and 89.6MB in the end (delta: -40.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.42ms. Allocated memory is still 113.2MB. Free memory was 89.6MB in the beginning and 87.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.78ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 85.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.77ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 77.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 633.14ms. Allocated memory is still 113.2MB. Free memory was 76.3MB in the beginning and 83.0MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.56ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 80.2MB in the end (delta: 2.7MB). 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: 555.58ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 5.78ms, AutomataDifference: 63.05ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 33.75ms, InitialAbstractionConstructionTime: 21.94ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 23.17ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 18.76ms 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, 0.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.75ms 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: 5.07ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 23.12ms HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 6.19ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 6.60ms SsaConstructionTime, 11.33ms SatisfiabilityAnalysisTime, 100.08ms 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 07:48:55,733 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...