./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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/fabs.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 5b2d2d481756a61ffcbfbc8fedf0729695fc085a .................................................................................................................................................................... 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/fabs.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 5b2d2d481756a61ffcbfbc8fedf0729695fc085a .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:03:36,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:03:36,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:03:36,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:03:36,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:03:36,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:03:36,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:03:36,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:03:36,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:03:36,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:03:36,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:03:36,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:03:36,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:03:36,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:03:36,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:03:36,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:03:36,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:03:36,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:03:36,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:03:36,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:03:36,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:03:36,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:03:36,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:03:36,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:03:36,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:03:36,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:03:36,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:03:36,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:03:36,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:03:36,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:03:36,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:03:36,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:03:36,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:03:36,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:03:36,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:03:36,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:03:36,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:03:36,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:03:36,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:03:36,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:03:36,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:03:36,585 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:03:36,642 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:03:36,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:03:36,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:03:36,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:03:36,646 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:03:36,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:03:36,646 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:03:36,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:03:36,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:03:36,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:03:36,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:03:36,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:03:36,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:03:36,649 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:03:36,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:03:36,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:03:36,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:03:36,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:03:36,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:03:36,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:03:36,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:03:36,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:03:36,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:03:36,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:03:36,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:03:36,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:03:36,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:03:36,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:03:36,653 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:03:36,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b2d2d481756a61ffcbfbc8fedf0729695fc085a [2020-12-02 15:03:37,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:03:37,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:03:37,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:03:37,162 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:03:37,164 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:03:37,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/fabs.i [2020-12-02 15:03:37,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2b52091/88fafcc65a484094a272b05fffe3b572/FLAG734a57342 [2020-12-02 15:03:37,993 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:03:38,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/fabs.i [2020-12-02 15:03:38,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2b52091/88fafcc65a484094a272b05fffe3b572/FLAG734a57342 [2020-12-02 15:03:38,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb2b52091/88fafcc65a484094a272b05fffe3b572 [2020-12-02 15:03:38,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:03:38,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:03:38,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:03:38,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:03:38,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:03:38,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:38" (1/1) ... [2020-12-02 15:03:38,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dc0ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:38, skipping insertion in model container [2020-12-02 15:03:38,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:38" (1/1) ... [2020-12-02 15:03:38,294 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:03:38,364 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:03:39,114 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/fabs.i[36279,36292] [2020-12-02 15:03:39,127 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) 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:1400) 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:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) 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:1407) 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:1351) 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:1044) 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:1422) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) 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) [2020-12-02 15:03:39,134 INFO L168 Benchmark]: Toolchain (without parser) took 869.36 ms. Allocated memory is still 52.4 MB. Free memory was 27.8 MB in the beginning and 29.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:39,135 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:03:39,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 861.04 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 29.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:39,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory is still 17.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 861.04 ms. Allocated memory is still 52.4 MB. Free memory was 27.7 MB in the beginning and 29.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:03:41,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:03:41,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:03:41,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:03:41,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:03:41,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:03:41,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:03:41,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:03:41,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:03:41,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:03:41,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:03:41,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:03:41,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:03:41,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:03:41,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:03:41,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:03:41,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:03:41,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:03:41,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:03:41,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:03:41,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:03:41,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:03:41,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:03:41,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:03:41,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:03:41,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:03:41,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:03:41,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:03:41,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:03:41,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:03:41,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:03:41,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:03:41,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:03:41,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:03:41,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:03:41,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:03:41,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:03:41,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:03:41,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:03:41,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:03:41,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:03:41,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:03:41,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:03:41,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:03:41,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:03:41,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:03:41,596 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:03:41,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:03:41,597 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:03:41,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:03:41,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:03:41,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:03:41,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:03:41,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:03:41,599 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:03:41,599 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:03:41,599 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:03:41,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:03:41,600 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:03:41,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:03:41,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:03:41,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:03:41,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:03:41,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:03:41,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:03:41,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:03:41,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:03:41,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:03:41,603 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:03:41,604 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:03:41,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:03:41,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:03:41,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:03:41,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b2d2d481756a61ffcbfbc8fedf0729695fc085a [2020-12-02 15:03:41,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:03:42,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:03:42,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:03:42,048 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:03:42,049 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:03:42,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/fabs.i [2020-12-02 15:03:42,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cfb48b/dec41368b4a444f1a8aaebcd3e693deb/FLAGea639d3a6 [2020-12-02 15:03:42,848 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:03:42,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/fabs.i [2020-12-02 15:03:42,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cfb48b/dec41368b4a444f1a8aaebcd3e693deb/FLAGea639d3a6 [2020-12-02 15:03:43,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/679cfb48b/dec41368b4a444f1a8aaebcd3e693deb [2020-12-02 15:03:43,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:03:43,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:03:43,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:03:43,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:03:43,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:03:43,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:43" (1/1) ... [2020-12-02 15:03:43,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9e355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:43, skipping insertion in model container [2020-12-02 15:03:43,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:03:43" (1/1) ... [2020-12-02 15:03:43,119 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:03:43,165 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:03:43,860 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/fabs.i[36279,36292] [2020-12-02 15:03:43,886 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:03:43,916 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:03:43,972 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/fabs.i[36279,36292] [2020-12-02 15:03:43,987 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:03:44,448 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:03:44,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44 WrapperNode [2020-12-02 15:03:44,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:03:44,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:03:44,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:03:44,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:03:44,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:03:44,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:03:44,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:03:44,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:03:44,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (1/1) ... [2020-12-02 15:03:44,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:03:44,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:03:44,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:03:44,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:03:44,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (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 [2020-12-02 15:03:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:03:44,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:03:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:03:44,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:03:44,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:03:44,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:03:45,126 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:03:45,127 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 15:03:45,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:45 BoogieIcfgContainer [2020-12-02 15:03:45,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:03:45,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:03:45,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:03:45,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:03:45,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:03:43" (1/3) ... [2020-12-02 15:03:45,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd6f444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:45, skipping insertion in model container [2020-12-02 15:03:45,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:03:44" (2/3) ... [2020-12-02 15:03:45,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd6f444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:03:45, skipping insertion in model container [2020-12-02 15:03:45,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:45" (3/3) ... [2020-12-02 15:03:45,143 INFO L111 eAbstractionObserver]: Analyzing ICFG fabs.i [2020-12-02 15:03:45,163 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:03:45,167 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-02 15:03:45,183 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-02 15:03:45,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:03:45,215 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:03:45,215 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:03:45,216 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:03:45,216 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:03:45,216 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:03:45,216 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:03:45,216 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:03:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-12-02 15:03:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 15:03:45,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:03:45,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 15:03:45,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:03:45,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:03:45,251 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-02 15:03:45,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:03:45,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058581705] [2020-12-02 15:03:45,275 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 [2020-12-02 15:03:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:03:45,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-02 15:03:45,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:03:45,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:03:45,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:03:45,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:03:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:03:45,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:03:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:03:45,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058581705] [2020-12-02 15:03:45,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:03:45,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-02 15:03:45,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771128470] [2020-12-02 15:03:45,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 15:03:45,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:03:45,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 15:03:45,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 15:03:45,696 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2020-12-02 15:03:45,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:03:45,778 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2020-12-02 15:03:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 15:03:45,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-12-02 15:03:45,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:03:45,796 INFO L225 Difference]: With dead ends: 43 [2020-12-02 15:03:45,796 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:03:45,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 15:03:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:03:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:03:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:03:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:03:45,829 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-02 15:03:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:03:45,829 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:03:45,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 15:03:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:03:45,830 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:03:46,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:03:46,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:03:46,119 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,120 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,120 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,120 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,120 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,121 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,121 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,121 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,121 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,122 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,122 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,122 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,122 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,122 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:03:46,123 INFO L258 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,123 INFO L262 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,123 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,124 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:03:46,124 INFO L262 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,125 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:03:46,125 INFO L258 CegarLoopResult]: At program point L878-19(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,125 INFO L262 CegarLoopResult]: For program point L878-20(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,125 INFO L262 CegarLoopResult]: For program point L878-21(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,126 INFO L258 CegarLoopResult]: At program point L878-23(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:03:46,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:03:46,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,126 INFO L262 CegarLoopResult]: For program point L880(lines 880 888) no Hoare annotation was computed. [2020-12-02 15:03:46,126 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:03:46,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:03:46 BoogieIcfgContainer [2020-12-02 15:03:46,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:03:46,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:03:46,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:03:46,154 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:03:46,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:03:45" (3/4) ... [2020-12-02 15:03:46,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:03:46,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-12-02 15:03:46,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-02 15:03:46,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-02 15:03:46,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:03:46,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:03:46,248 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:03:46,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:03:46,250 INFO L168 Benchmark]: Toolchain (without parser) took 3151.71 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 34.3 MB in the beginning and 50.6 MB in the end (delta: -16.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,251 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory is still 19.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:03:46,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.87 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 34.2 MB in the beginning and 63.6 MB in the end (delta: -29.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.90 ms. Allocated memory is still 83.9 MB. Free memory was 63.6 MB in the beginning and 61.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,253 INFO L168 Benchmark]: Boogie Preprocessor took 69.73 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 59.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,254 INFO L168 Benchmark]: RCFGBuilder took 482.78 ms. Allocated memory is still 83.9 MB. Free memory was 59.5 MB in the beginning and 42.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,254 INFO L168 Benchmark]: TraceAbstraction took 1018.10 ms. Allocated memory is still 83.9 MB. Free memory was 42.6 MB in the beginning and 53.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:03:46,255 INFO L168 Benchmark]: Witness Printer took 94.52 ms. Allocated memory is still 83.9 MB. Free memory was 53.8 MB in the beginning and 50.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:03:46,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory is still 19.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1350.87 ms. Allocated memory was 58.7 MB in the beginning and 83.9 MB in the end (delta: 25.2 MB). Free memory was 34.2 MB in the beginning and 63.6 MB in the end (delta: -29.4 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.90 ms. Allocated memory is still 83.9 MB. Free memory was 63.6 MB in the beginning and 61.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.73 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 59.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 482.78 ms. Allocated memory is still 83.9 MB. Free memory was 59.5 MB in the beginning and 42.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1018.10 ms. Allocated memory is still 83.9 MB. Free memory was 42.6 MB in the beginning and 53.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 94.52 ms. Allocated memory is still 83.9 MB. Free memory was 53.8 MB in the beginning and 50.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 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 - 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 6 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: 878]: 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 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 5 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 5 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 proved your program to be correct! Received shutdown request...