./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/isgreater.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54a68f41 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 ../../../trunk/examples/svcomp/floats-esbmc-regression/isgreater.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cb5831088be39301178979adb7a9db4d46c753f .......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/isgreater.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cb5831088be39301178979adb7a9db4d46c753f ........................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-54a68f4 [2020-12-03 18:59:05,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:05,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:05,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:05,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:05,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:05,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:05,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:05,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:05,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:05,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:05,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:05,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:05,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:05,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:05,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:05,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:05,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:05,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:05,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:05,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:05,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:05,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:05,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:05,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:05,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:05,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:05,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:05,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:05,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:05,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:05,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:05,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:05,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:05,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:05,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:05,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:05,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:05,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:05,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:05,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:05,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-03 18:59:05,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:05,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:05,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:05,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:05,615 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:05,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:05,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:05,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 18:59:05,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:05,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:05,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:05,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:05,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:05,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:05,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:05,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:05,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:05,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:05,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:05,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:05,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:05,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:05,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:05,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:05,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-03 18:59:05,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 18:59:05,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:05,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:05,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2020-12-03 18:59:06,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:06,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:06,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:06,134 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:06,135 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:06,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isgreater.i [2020-12-03 18:59:06,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c9bfc4b/2c0e05c462404502b160d7993fdb1a23/FLAG2e57a070d [2020-12-03 18:59:06,931 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:06,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreater.i [2020-12-03 18:59:06,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c9bfc4b/2c0e05c462404502b160d7993fdb1a23/FLAG2e57a070d [2020-12-03 18:59:07,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1c9bfc4b/2c0e05c462404502b160d7993fdb1a23 [2020-12-03 18:59:07,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:07,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:07,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:07,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:07,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:07,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:07" (1/1) ... [2020-12-03 18:59:07,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e2fe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:07, skipping insertion in model container [2020-12-03 18:59:07,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:07" (1/1) ... [2020-12-03 18:59:07,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:07,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:07,985 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreater.i[36284,36297] [2020-12-03 18:59:07,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1769) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$47(StandardFunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1409) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) 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) [2020-12-03 18:59:08,009 INFO L168 Benchmark]: Toolchain (without parser) took 760.98 ms. Allocated memory is still 52.4 MB. Free memory was 35.9 MB in the beginning and 24.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:08,011 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:08,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.92 ms. Allocated memory is still 52.4 MB. Free memory was 35.6 MB in the beginning and 24.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:08,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.0 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 757.92 ms. Allocated memory is still 52.4 MB. Free memory was 35.6 MB in the beginning and 24.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-54a68f4 [2020-12-03 18:59:10,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 18:59:10,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 18:59:10,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 18:59:10,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 18:59:10,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 18:59:10,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 18:59:10,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 18:59:10,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 18:59:10,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 18:59:10,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 18:59:10,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 18:59:10,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 18:59:10,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 18:59:10,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 18:59:10,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 18:59:10,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 18:59:10,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 18:59:10,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 18:59:10,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 18:59:10,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 18:59:10,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 18:59:10,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 18:59:10,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 18:59:10,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 18:59:10,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 18:59:10,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 18:59:10,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 18:59:10,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 18:59:10,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 18:59:10,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 18:59:10,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 18:59:10,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 18:59:10,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 18:59:10,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 18:59:10,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 18:59:10,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 18:59:10,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 18:59:10,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 18:59:10,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 18:59:10,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 18:59:10,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-03 18:59:10,605 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 18:59:10,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 18:59:10,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 18:59:10,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 18:59:10,607 INFO L138 SettingsManager]: * Use SBE=true [2020-12-03 18:59:10,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 18:59:10,608 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 18:59:10,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 18:59:10,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 18:59:10,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 18:59:10,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 18:59:10,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 18:59:10,610 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 18:59:10,610 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 18:59:10,610 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 18:59:10,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 18:59:10,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 18:59:10,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 18:59:10,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 18:59:10,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 18:59:10,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 18:59:10,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 18:59:10,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 18:59:10,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 18:59:10,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 18:59:10,614 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-03 18:59:10,614 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 18:59:10,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 18:59:10,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 18:59:10,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 18:59:10,615 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb5831088be39301178979adb7a9db4d46c753f [2020-12-03 18:59:11,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 18:59:11,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 18:59:11,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 18:59:11,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 18:59:11,114 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 18:59:11,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/isgreater.i [2020-12-03 18:59:11,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6d13c48/6c5f91f195be492fa6172068798d4b89/FLAGaf33687aa [2020-12-03 18:59:12,093 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 18:59:12,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreater.i [2020-12-03 18:59:12,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6d13c48/6c5f91f195be492fa6172068798d4b89/FLAGaf33687aa [2020-12-03 18:59:12,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf6d13c48/6c5f91f195be492fa6172068798d4b89 [2020-12-03 18:59:12,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 18:59:12,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 18:59:12,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:12,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 18:59:12,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 18:59:12,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:12" (1/1) ... [2020-12-03 18:59:12,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8d974b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:12, skipping insertion in model container [2020-12-03 18:59:12,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:59:12" (1/1) ... [2020-12-03 18:59:12,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 18:59:12,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 18:59:13,085 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreater.i[36284,36297] [2020-12-03 18:59:13,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 18:59:13,116 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 18:59:13,158 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/isgreater.i[36284,36297] [2020-12-03 18:59:13,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 18:59:13,528 INFO L208 MainTranslator]: Completed translation [2020-12-03 18:59:13,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13 WrapperNode [2020-12-03 18:59:13,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 18:59:13,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 18:59:13,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 18:59:13,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 18:59:13,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 18:59:13,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 18:59:13,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 18:59:13,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 18:59:13,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (1/1) ... [2020-12-03 18:59:13,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 18:59:13,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 18:59:13,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 18:59:13,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 18:59:13,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (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 [2020-12-03 18:59:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 18:59:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 18:59:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 18:59:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 18:59:14,111 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 18:59:14,115 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-03 18:59:14,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:14 BoogieIcfgContainer [2020-12-03 18:59:14,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 18:59:14,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 18:59:14,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 18:59:14,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 18:59:14,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:59:12" (1/3) ... [2020-12-03 18:59:14,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7093d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:59:14, skipping insertion in model container [2020-12-03 18:59:14,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:59:13" (2/3) ... [2020-12-03 18:59:14,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7093d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:59:14, skipping insertion in model container [2020-12-03 18:59:14,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:14" (3/3) ... [2020-12-03 18:59:14,144 INFO L111 eAbstractionObserver]: Analyzing ICFG isgreater.i [2020-12-03 18:59:14,163 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 18:59:14,168 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-03 18:59:14,186 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-03 18:59:14,221 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 18:59:14,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 18:59:14,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 18:59:14,222 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 18:59:14,222 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 18:59:14,222 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 18:59:14,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 18:59:14,223 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 18:59:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-03 18:59:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 18:59:14,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 18:59:14,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-03 18:59:14,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 18:59:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 18:59:14,259 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-03 18:59:14,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-03 18:59:14,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586254553] [2020-12-03 18:59:14,287 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 [2020-12-03 18:59:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 18:59:14,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 18:59:14,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 18:59:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 18:59:14,464 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 18:59:14,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586254553] [2020-12-03 18:59:14,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 18:59:14,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 18:59:14,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861737430] [2020-12-03 18:59:14,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 18:59:14,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-03 18:59:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 18:59:14,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 18:59:14,491 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2020-12-03 18:59:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 18:59:14,540 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-12-03 18:59:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 18:59:14,542 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-12-03 18:59:14,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 18:59:14,550 INFO L225 Difference]: With dead ends: 31 [2020-12-03 18:59:14,550 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 18:59:14,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 18:59:14,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 18:59:14,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 18:59:14,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 18:59:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 18:59:14,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-03 18:59:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 18:59:14,583 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 18:59:14,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 18:59:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 18:59:14,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 18:59:14,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 18:59:14,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 18:59:14,872 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 18:59:14,873 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,873 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,873 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,873 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,874 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:14,874 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,874 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,874 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:14,874 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,874 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,875 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:14,875 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,875 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,875 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-03 18:59:14,876 INFO L258 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:14,876 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 18:59:14,876 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-03 18:59:14,876 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,876 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-03 18:59:14,877 INFO L258 CegarLoopResult]: At program point L887(lines 880 888) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-03 18:59:14,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:59:14 BoogieIcfgContainer [2020-12-03 18:59:14,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 18:59:14,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 18:59:14,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 18:59:14,902 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 18:59:14,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:59:14" (3/4) ... [2020-12-03 18:59:14,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 18:59:14,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-03 18:59:14,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-03 18:59:14,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 18:59:14,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 18:59:14,965 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-03 18:59:14,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 18:59:14,968 INFO L168 Benchmark]: Toolchain (without parser) took 2609.86 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.7 MB in the beginning and 19.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,969 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 18:59:14,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1173.22 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 34.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.38 ms. Allocated memory is still 69.2 MB. Free memory was 34.0 MB in the beginning and 31.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,971 INFO L168 Benchmark]: Boogie Preprocessor took 29.03 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 29.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,972 INFO L168 Benchmark]: RCFGBuilder took 472.40 ms. Allocated memory is still 69.2 MB. Free memory was 29.8 MB in the beginning and 48.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,973 INFO L168 Benchmark]: TraceAbstraction took 774.84 ms. Allocated memory is still 69.2 MB. Free memory was 48.4 MB in the beginning and 22.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,973 INFO L168 Benchmark]: Witness Printer took 65.32 ms. Allocated memory is still 69.2 MB. Free memory was 22.7 MB in the beginning and 19.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-03 18:59:14,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 41.9 MB. Free memory was 21.7 MB in the beginning and 21.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1173.22 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 34.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 84.38 ms. Allocated memory is still 69.2 MB. Free memory was 34.0 MB in the beginning and 31.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.03 ms. Allocated memory is still 69.2 MB. Free memory was 31.2 MB in the beginning and 29.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 472.40 ms. Allocated memory is still 69.2 MB. Free memory was 29.8 MB in the beginning and 48.4 MB in the end (delta: -18.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 774.84 ms. Allocated memory is still 69.2 MB. Free memory was 48.4 MB in the beginning and 22.7 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 65.32 ms. Allocated memory is still 69.2 MB. Free memory was 22.7 MB in the beginning and 19.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 2 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 proved your program to be correct! Received shutdown request...