./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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/trunc_nondet_2.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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/trunc_nondet_2.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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .......................................................................................................................................................................................................................................................................................................................................................................... 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 07:50:00,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:50:00,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:50:00,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:50:00,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:50:00,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:50:00,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:50:00,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:50:00,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:50:00,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:50:00,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:50:00,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:50:00,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:50:00,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:50:00,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:50:00,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:50:00,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:50:00,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:50:00,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:50:00,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:50:00,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:50:00,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:50:00,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:50:00,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:50:00,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:50:00,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:50:00,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:50:00,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:50:00,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:50:00,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:50:00,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:50:00,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:50:00,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:50:00,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:50:00,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:50:00,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:50:00,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:50:00,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:50:00,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:50:00,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:50:00,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:50:00,336 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 07:50:00,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:50:00,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:50:00,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:50:00,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:50:00,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:50:00,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:50:00,368 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:50:00,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:50:00,368 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:50:00,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 07:50:00,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:50:00,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:50:00,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:50:00,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:50:00,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:50:00,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:50:00,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:50:00,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:50:00,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:50:00,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:50:00,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:50:00,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 07:50:00,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 07:50:00,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:50:00,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:50:00,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-08-29 07:50:00,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:50:00,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:50:00,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:50:00,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:50:00,792 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:50:00,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-08-29 07:50:00,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bab8270/a57c4069a671432facd391b3f7ce7c33/FLAGba69efff7 [2021-08-29 07:50:01,271 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:50:01,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-08-29 07:50:01,287 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bab8270/a57c4069a671432facd391b3f7ce7c33/FLAGba69efff7 [2021-08-29 07:50:01,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bab8270/a57c4069a671432facd391b3f7ce7c33 [2021-08-29 07:50:01,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:50:01,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:50:01,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:50:01,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:50:01,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:50:01,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:50:01" (1/1) ... [2021-08-29 07:50:01,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2808e32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:01, skipping insertion in model container [2021-08-29 07:50:01,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:50:01" (1/1) ... [2021-08-29 07:50:01,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:50:01,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:50:01,774 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/trunc_nondet_2.i[38168,38181] [2021-08-29 07:50:01,779 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) 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:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.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 07:50:01,783 INFO L158 Benchmark]: Toolchain (without parser) took 475.94ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 57.2MB in the end (delta: -2.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-08-29 07:50:01,784 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:50:01,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.10ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 57.2MB in the end (delta: -3.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-08-29 07:50:01,786 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 75.5MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.10ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 57.2MB in the end (delta: -3.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 07:50:03,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 07:50:03,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 07:50:03,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 07:50:03,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 07:50:03,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 07:50:03,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 07:50:03,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 07:50:03,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 07:50:03,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 07:50:03,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 07:50:03,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 07:50:03,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 07:50:03,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 07:50:03,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 07:50:03,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 07:50:03,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 07:50:03,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 07:50:03,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 07:50:03,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 07:50:03,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 07:50:03,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 07:50:03,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 07:50:03,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 07:50:03,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 07:50:03,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 07:50:03,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 07:50:03,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 07:50:03,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 07:50:03,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 07:50:03,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 07:50:03,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 07:50:03,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 07:50:03,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 07:50:03,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 07:50:03,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 07:50:03,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 07:50:03,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 07:50:03,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 07:50:03,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 07:50:03,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 07:50:03,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 07:50:03,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 07:50:03,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 07:50:03,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 07:50:03,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 07:50:03,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 07:50:03,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 07:50:03,483 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 07:50:03,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 07:50:03,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 07:50:03,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 07:50:03,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 07:50:03,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 07:50:03,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 07:50:03,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 07:50:03,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 07:50:03,485 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 07:50:03,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 07:50:03,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 07:50:03,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 07:50:03,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 07:50:03,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 07:50:03,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 07:50:03,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 07:50:03,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:50:03,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 07:50:03,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 07:50:03,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 07:50:03,488 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 07:50:03,488 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 07:50:03,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 07:50:03,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 07:50:03,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 07:50:03,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-08-29 07:50:03,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 07:50:03,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 07:50:03,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 07:50:03,746 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 07:50:03,747 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 07:50:03,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-08-29 07:50:03,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d8deace/bfca28f5cea14e3aae4606d51564fbc8/FLAG6326a6f39 [2021-08-29 07:50:04,252 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 07:50:04,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-08-29 07:50:04,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d8deace/bfca28f5cea14e3aae4606d51564fbc8/FLAG6326a6f39 [2021-08-29 07:50:04,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d8deace/bfca28f5cea14e3aae4606d51564fbc8 [2021-08-29 07:50:04,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 07:50:04,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 07:50:04,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 07:50:04,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 07:50:04,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 07:50:04,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:50:04" (1/1) ... [2021-08-29 07:50:04,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32eb8572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:04, skipping insertion in model container [2021-08-29 07:50:04,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 07:50:04" (1/1) ... [2021-08-29 07:50:04,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 07:50:04,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 07:50:05,237 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/trunc_nondet_2.i[38168,38181] [2021-08-29 07:50:05,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:50:05,275 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 07:50:05,304 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/trunc_nondet_2.i[38168,38181] [2021-08-29 07:50:05,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 07:50:05,422 INFO L208 MainTranslator]: Completed translation [2021-08-29 07:50:05,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05 WrapperNode [2021-08-29 07:50:05,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 07:50:05,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 07:50:05,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 07:50:05,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 07:50:05,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 07:50:05,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 07:50:05,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 07:50:05,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 07:50:05,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 07:50:05,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 07:50:05,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 07:50:05,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 07:50:05,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (1/1) ... [2021-08-29 07:50:05,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 07:50:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 07:50:05,545 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 07:50:05,565 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 07:50:05,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 07:50:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 07:50:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 07:50:05,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 07:50:05,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 07:50:05,737 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-29 07:50:05,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:50:05 BoogieIcfgContainer [2021-08-29 07:50:05,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 07:50:05,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 07:50:05,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 07:50:05,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 07:50:05,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 07:50:04" (1/3) ... [2021-08-29 07:50:05,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b4371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:50:05, skipping insertion in model container [2021-08-29 07:50:05,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 07:50:05" (2/3) ... [2021-08-29 07:50:05,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@771b4371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 07:50:05, skipping insertion in model container [2021-08-29 07:50:05,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:50:05" (3/3) ... [2021-08-29 07:50:05,747 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2021-08-29 07:50:05,750 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 07:50:05,750 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 07:50:05,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 07:50:05,796 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 07:50:05,796 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 07:50:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 07:50:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 07:50:05,809 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 07:50:05,809 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 07:50:05,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 07:50:05,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 07:50:05,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1236262255, now seen corresponding path program 1 times [2021-08-29 07:50:05,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 07:50:05,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [572892611] [2021-08-29 07:50:05,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 07:50:05,823 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 07:50:05,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 07:50:05,850 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 07:50:05,853 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 07:50:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 07:50:06,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 07:50:06,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 07:50:06,077 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 07:50:06,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 07:50:06,119 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 07:50:06,120 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 07:50:06,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [572892611] [2021-08-29 07:50:06,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [572892611] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 07:50:06,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 07:50:06,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 07:50:06,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947980519] [2021-08-29 07:50:06,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 07:50:06,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 07:50:06,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 07:50:06,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 07:50:06,152 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:50:07,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 07:50:07,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 07:50:07,308 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-08-29 07:50:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 07:50:07,311 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-08-29 07:50:07,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 07:50:07,315 INFO L225 Difference]: With dead ends: 27 [2021-08-29 07:50:07,315 INFO L226 Difference]: Without dead ends: 11 [2021-08-29 07:50:07,316 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.06ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 07:50:07,318 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1111.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.20ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1144.22ms IncrementalHoareTripleChecker+Time [2021-08-29 07:50:07,321 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 14 Unknown, 0 Unchecked, 0.20ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1144.22ms Time] [2021-08-29 07:50:07,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-08-29 07:50:07,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-08-29 07:50:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 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 07:50:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2021-08-29 07:50:07,366 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2021-08-29 07:50:07,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 07:50:07,366 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2021-08-29 07:50:07,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 07:50:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2021-08-29 07:50:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 07:50:07,367 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 07:50:07,368 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 07:50:07,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-29 07:50:07,577 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 07:50:07,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 07:50:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 07:50:07,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1988290997, now seen corresponding path program 1 times [2021-08-29 07:50:07,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 07:50:07,579 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899870223] [2021-08-29 07:50:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 07:50:07,579 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 07:50:07,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 07:50:07,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 07:50:07,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 07:50:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 07:50:09,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-29 07:50:09,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 07:50:53,729 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))))) is different from false [2021-08-29 07:50:55,758 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))))) is different from true [2021-08-29 07:50:55,759 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 07:50:55,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 07:51:30,927 WARN L838 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) is different from false [2021-08-29 07:51:32,962 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) is different from true [2021-08-29 07:51:44,473 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2021-08-29 07:52:00,954 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2021-08-29 07:52:43,525 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from false [2021-08-29 07:52:45,563 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from true [2021-08-29 07:52:45,564 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 07:52:45,564 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 07:52:45,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899870223] [2021-08-29 07:52:45,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899870223] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 07:52:45,565 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 07:52:45,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 16 [2021-08-29 07:52:45,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342490214] [2021-08-29 07:52:45,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-29 07:52:45,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 07:52:45,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-29 07:52:45,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=96, Unknown=13, NotChecked=120, Total=272 [2021-08-29 07:52:45,567 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 07:52:47,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-08-29 07:52:49,666 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-29 07:53:40,443 WARN L210 SmtUtils]: Spent 42.39s on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2021-08-29 07:54:28,925 WARN L210 SmtUtils]: Spent 36.02s on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-08-29 07:55:29,924 WARN L210 SmtUtils]: Spent 49.80s on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-08-29 07:55:32,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 07:56:11,961 WARN L210 SmtUtils]: Spent 19.26s on a formula simplification that was a NOOP. DAG size: 23 [2021-08-29 07:56:13,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 07:56:58,982 WARN L210 SmtUtils]: Spent 32.33s on a formula simplification that was a NOOP. DAG size: 32 [2021-08-29 07:57:01,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 07:57:26,166 WARN L210 SmtUtils]: Spent 12.12s on a formula simplification that was a NOOP. DAG size: 16 [2021-08-29 07:57:27,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-08-29 07:57:29,949 WARN L838 $PredicateComparison]: unable to prove that (and (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64))) (not (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))) (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (let ((.cse0 (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0))))) (or (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)) (not .cse0)) (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) .cse0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-29 07:57:31,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 07:57:31,886 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-08-29 07:57:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 07:57:31,887 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 10 [2021-08-29 07:57:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 07:57:31,887 INFO L225 Difference]: With dead ends: 11 [2021-08-29 07:57:31,887 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 07:57:31,888 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 321934.35ms TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=28, NotChecked=266, Total=600 [2021-08-29 07:57:31,889 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12236.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 12346.43ms IncrementalHoareTripleChecker+Time [2021-08-29 07:57:31,889 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 59 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 3 Unknown, 26 Unchecked, 12346.43ms Time] [2021-08-29 07:57:31,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 07:57:31,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 07:57:31,890 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 07:57:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 07:57:31,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-08-29 07:57:31,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 07:57:31,890 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 07:57:31,891 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 07:57:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 07:57:31,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 07:57:31,892 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 07:57:31,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 07:57:32,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 07:57:32,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 07:57:32,108 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:57:32,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 07:57:32,131 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-08-29 07:57:32,131 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 07:57:32,131 INFO L858 garLoopResultBuilder]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2021-08-29 07:57:32,131 INFO L858 garLoopResultBuilder]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L858 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L858 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L861 garLoopResultBuilder]: At program point L1008-3(line 1008) the Hoare annotation is: true [2021-08-29 07:57:32,132 INFO L858 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L858 garLoopResultBuilder]: For program point L994-2(line 994) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 07:57:32,132 INFO L861 garLoopResultBuilder]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2021-08-29 07:57:32,133 INFO L858 garLoopResultBuilder]: For program point L994-4(line 994) no Hoare annotation was computed. [2021-08-29 07:57:32,133 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 07:57:32,133 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 07:57:32,133 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-08-29 07:57:32,136 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 07:57:32,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 07:57:32 BoogieIcfgContainer [2021-08-29 07:57:32,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 07:57:32,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 07:57:32,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 07:57:32,142 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 07:57:32,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 07:50:05" (3/4) ... [2021-08-29 07:57:32,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 07:57:32,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-08-29 07:57:32,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 07:57:32,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:57:32,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 07:57:32,180 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 07:57:32,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 07:57:32,182 INFO L158 Benchmark]: Toolchain (without parser) took 447401.02ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 49.5MB in the beginning and 56.8MB in the end (delta: -7.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,182 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.4MB in the beginning and 32.4MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:57:32,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.38ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 39.6MB in the end (delta: 9.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.71ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.6MB in the beginning and 82.8MB in the end (delta: -43.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,183 INFO L158 Benchmark]: Boogie Preprocessor took 34.21ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 965.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,183 INFO L158 Benchmark]: RCFGBuilder took 214.49ms. Allocated memory is still 102.8MB. Free memory was 81.9MB in the beginning and 72.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,183 INFO L158 Benchmark]: TraceAbstraction took 446400.07ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 59.6MB in the end (delta: 12.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-08-29 07:57:32,184 INFO L158 Benchmark]: Witness Printer took 38.94ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 56.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 07:57:32,185 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 50.3MB. Free memory was 32.4MB in the beginning and 32.4MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.38ms. Allocated memory is still 75.5MB. Free memory was 49.3MB in the beginning and 39.6MB in the end (delta: 9.7MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.71ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 39.6MB in the beginning and 82.8MB in the end (delta: -43.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.21ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 81.9MB in the end (delta: 965.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.49ms. Allocated memory is still 102.8MB. Free memory was 81.9MB in the beginning and 72.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 446400.07ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 59.6MB in the end (delta: 12.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Witness Printer took 38.94ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 56.8MB in the end (delta: 2.8MB). There was no memory consumed. 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: 1008]: 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 446348.45ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 6.44ms, AutomataDifference: 287517.64ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 26.16ms, InitialAbstractionConstructionTime: 6.40ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 13490.65ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 13348.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 26 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 0 mSDtfsCounter, 43 mSolverCounterSat, 1.41ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 321934.40ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 22.36ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 21.33ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.92ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 11.93ms SsaConstructionTime, 1483.23ms SatisfiabilityAnalysisTime, 156685.69ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 3 QuantifiedInterpolants, 339 SizeOfPredicates, 11 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-29 07:57:32,329 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...