./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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-cbmc-regression/float4.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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e .................................................................................................................................................................. 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_1.3.100.v20150511-1540.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-cbmc-regression/float4.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 21e1a9abd162140b5f110bcc242ded04ef0b9d4e ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:16:03,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:03,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:03,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:03,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:03,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:03,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:03,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:03,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:03,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:03,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:03,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:03,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:03,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:03,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:03,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:03,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:03,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:03,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:03,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:03,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:03,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:03,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:03,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:03,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:03,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:03,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:03,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:03,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:03,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:03,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:03,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:03,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:03,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:03,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:03,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:03,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:03,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:03,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:03,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:03,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:03,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:16:03,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:03,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:03,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:03,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:03,364 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:03,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:03,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:03,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:16:03,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:03,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:03,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:03,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:03,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:03,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:03,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:03,370 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:03,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:03,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:03,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:03,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:03,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:03,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:03,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:03,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:03,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:03,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:16:03,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:16:03,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:03,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:03,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-10-20 00:16:03,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:03,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:03,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:03,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:03,632 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:03,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-20 00:16:03,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76526888/04c2df230bce493bbe6bf7d52cf4b03e/FLAG6b8756bf5 [2020-10-20 00:16:04,232 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:04,233 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-20 00:16:04,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76526888/04c2df230bce493bbe6bf7d52cf4b03e/FLAG6b8756bf5 [2020-10-20 00:16:04,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d76526888/04c2df230bce493bbe6bf7d52cf4b03e [2020-10-20 00:16:04,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:04,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:04,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:04,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:04,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:04,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:04" (1/1) ... [2020-10-20 00:16:04,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f9e2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:04, skipping insertion in model container [2020-10-20 00:16:04,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:04" (1/1) ... [2020-10-20 00:16:04,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:04,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:05,172 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: isnan 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) 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:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 00:16:05,179 INFO L168 Benchmark]: Toolchain (without parser) took 673.62 ms. Allocated memory was 36.7 MB in the beginning and 45.6 MB in the end (delta: 8.9 MB). Free memory was 9.0 MB in the beginning and 26.1 MB in the end (delta: -17.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:05,180 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 36.7 MB. Free memory was 15.7 MB in the beginning and 15.7 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:05,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.86 ms. Allocated memory was 36.7 MB in the beginning and 45.6 MB in the end (delta: 8.9 MB). Free memory was 8.1 MB in the beginning and 26.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:05,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 36.7 MB. Free memory was 15.7 MB in the beginning and 15.7 MB in the end (delta: 49.2 kB). Peak memory consumption was 49.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 664.86 ms. Allocated memory was 36.7 MB in the beginning and 45.6 MB in the end (delta: 8.9 MB). Free memory was 8.1 MB in the beginning and 26.1 MB in the end (delta: -18.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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 0.1.25-9a8b2e8 [2020-10-20 00:16:07,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:07,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:07,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:07,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:07,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:07,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:07,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:07,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:07,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:07,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:07,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:07,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:07,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:07,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:07,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:07,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:07,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:07,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:07,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:07,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:07,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:07,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:07,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:07,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:07,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:07,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:07,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:07,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:07,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:07,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:07,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:07,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:07,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:07,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:07,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:07,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:07,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:07,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:07,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:07,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:07,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:16:07,414 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:07,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:07,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:07,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:07,417 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:07,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:07,418 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:07,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:07,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:07,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:07,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:07,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:07,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:16:07,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:16:07,421 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:07,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:07,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:07,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:07,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:07,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:07,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:07,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:07,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:07,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:07,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:07,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:07,425 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:16:07,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:16:07,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:07,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:07,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:16:07,426 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 21e1a9abd162140b5f110bcc242ded04ef0b9d4e [2020-10-20 00:16:07,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:07,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:07,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:07,658 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:07,658 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:07,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-20 00:16:07,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee31687/6d57a7a127f546c6a0c53041efcbb8c3/FLAG0d1439314 [2020-10-20 00:16:08,358 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:08,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float4.i [2020-10-20 00:16:08,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee31687/6d57a7a127f546c6a0c53041efcbb8c3/FLAG0d1439314 [2020-10-20 00:16:08,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ee31687/6d57a7a127f546c6a0c53041efcbb8c3 [2020-10-20 00:16:08,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:08,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:08,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:08,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:08,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:08,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:08" (1/1) ... [2020-10-20 00:16:08,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4381863d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:08, skipping insertion in model container [2020-10-20 00:16:08,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:08" (1/1) ... [2020-10-20 00:16:08,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:08,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:09,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:09,403 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:16:09,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:09,866 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:16:09,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09 WrapperNode [2020-10-20 00:16:09,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:09,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:09,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:09,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:09,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:09,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:09,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:09,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:09,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:09,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:09,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:09,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:09,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:09,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:10,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:10,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:10,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... [2020-10-20 00:16:10,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:10,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:10,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:10,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:10,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:16:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:12,574 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:12,575 INFO L298 CfgBuilder]: Removed 94 assume(true) statements. [2020-10-20 00:16:12,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:12 BoogieIcfgContainer [2020-10-20 00:16:12,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:12,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:12,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:12,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:12,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:16:08" (1/3) ... [2020-10-20 00:16:12,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766057ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:12, skipping insertion in model container [2020-10-20 00:16:12,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:09" (2/3) ... [2020-10-20 00:16:12,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@766057ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:12, skipping insertion in model container [2020-10-20 00:16:12,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:12" (3/3) ... [2020-10-20 00:16:12,586 INFO L111 eAbstractionObserver]: Analyzing ICFG float4.i [2020-10-20 00:16:12,606 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:12,614 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 43 error locations. [2020-10-20 00:16:12,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2020-10-20 00:16:12,649 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:12,650 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:12,650 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:12,650 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:12,650 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:12,650 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:12,650 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:12,650 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:12,678 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states. [2020-10-20 00:16:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:16:12,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:12,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:16:12,686 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:12,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:12,693 INFO L82 PathProgramCache]: Analyzing trace with hash -594068727, now seen corresponding path program 1 times [2020-10-20 00:16:12,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:12,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314070960] [2020-10-20 00:16:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:16:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:12,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:16:12,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:12,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:12,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:12,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314070960] [2020-10-20 00:16:12,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:12,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:16:12,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573725392] [2020-10-20 00:16:12,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:16:12,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:16:12,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:16:12,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:16:12,813 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 2 states. [2020-10-20 00:16:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:16:12,842 INFO L93 Difference]: Finished difference Result 312 states and 455 transitions. [2020-10-20 00:16:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:16:12,843 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:16:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:16:12,852 INFO L225 Difference]: With dead ends: 312 [2020-10-20 00:16:12,853 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 00:16:12,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:16:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 00:16:12,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 00:16:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 00:16:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 70 transitions. [2020-10-20 00:16:12,894 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 70 transitions. Word has length 9 [2020-10-20 00:16:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:16:12,894 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 70 transitions. [2020-10-20 00:16:12,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:16:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 70 transitions. [2020-10-20 00:16:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:16:12,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:12,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:16:13,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:16:13,107 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:13,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1988011892, now seen corresponding path program 1 times [2020-10-20 00:16:13,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:13,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423858110] [2020-10-20 00:16:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:16:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:13,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 00:16:13,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:14,001 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:16:14,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:16:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:14,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:14,315 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 00:16:14,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423858110] [2020-10-20 00:16:14,379 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:16:14,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [12838974] [2020-10-20 00:16:14,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 00:16:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:14,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 00:16:14,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:14,735 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:16:14,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695343040] [2020-10-20 00:16:14,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:16:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:14,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 00:16:14,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:14,809 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 00:16:14,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:14,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 00:16:14,811 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 00:16:14,811 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:16:15,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk,3 mathsat -unsat_core_generation=3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:16:15,436 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 00:16:15,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:15 BoogieIcfgContainer [2020-10-20 00:16:15,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:15,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:15,441 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:15,442 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:15,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:12" (3/4) ... [2020-10-20 00:16:15,452 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:16:15,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:15,456 INFO L168 Benchmark]: Toolchain (without parser) took 6813.65 ms. Allocated memory was 39.3 MB in the beginning and 60.8 MB in the end (delta: 21.5 MB). Free memory was 15.2 MB in the beginning and 35.7 MB in the end (delta: -20.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,458 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 30.4 MB. Free memory was 6.5 MB in the beginning and 6.5 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1221.33 ms. Allocated memory was 39.3 MB in the beginning and 53.0 MB in the end (delta: 13.6 MB). Free memory was 14.4 MB in the beginning and 35.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.81 ms. Allocated memory is still 53.0 MB. Free memory was 35.4 MB in the beginning and 31.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,464 INFO L168 Benchmark]: Boogie Preprocessor took 67.20 ms. Allocated memory is still 53.0 MB. Free memory was 31.8 MB in the beginning and 28.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,465 INFO L168 Benchmark]: RCFGBuilder took 2536.78 ms. Allocated memory was 53.0 MB in the beginning and 53.5 MB in the end (delta: 524.3 kB). Free memory was 28.7 MB in the beginning and 6.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:15,469 INFO L168 Benchmark]: TraceAbstraction took 2858.87 ms. Allocated memory was 53.5 MB in the beginning and 60.8 MB in the end (delta: 7.3 MB). Free memory was 6.3 MB in the beginning and 35.7 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:16:15,469 INFO L168 Benchmark]: Witness Printer took 14.28 ms. Allocated memory is still 60.8 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:16:15,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 30.4 MB. Free memory was 6.5 MB in the beginning and 6.5 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1221.33 ms. Allocated memory was 39.3 MB in the beginning and 53.0 MB in the end (delta: 13.6 MB). Free memory was 14.4 MB in the beginning and 35.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 103.81 ms. Allocated memory is still 53.0 MB. Free memory was 35.4 MB in the beginning and 31.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 67.20 ms. Allocated memory is still 53.0 MB. Free memory was 31.8 MB in the beginning and 28.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2536.78 ms. Allocated memory was 53.0 MB in the beginning and 53.5 MB in the end (delta: 524.3 kB). Free memory was 28.7 MB in the beginning and 6.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2858.87 ms. Allocated memory was 53.5 MB in the beginning and 60.8 MB in the end (delta: 7.3 MB). Free memory was 6.3 MB in the beginning and 35.7 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 14.28 ms. Allocated memory is still 60.8 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 964]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L968] double f, f2; [L969] f2 = __VERIFIER_nondet_double() [L3] COND FALSE !(!cond) [L3] COND FALSE !(!cond) [L973] f=f2 [L976] COND FALSE !(!(100.0+10==110)) [L977] COND TRUE !(0+f==f) [L964] COND FALSE !(0) [L964] __assert_fail ("0", "float4.c", 8, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 224 locations, 43 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...