./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:01:34,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:01:34,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:01:34,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:01:34,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:01:34,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:01:34,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:01:34,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:01:34,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:01:34,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:01:34,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:01:34,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:01:34,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:01:34,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:01:34,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:01:34,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:01:34,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:01:34,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:01:34,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:01:34,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:01:34,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:01:34,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:01:34,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:01:34,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:01:34,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:01:34,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:01:34,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:01:34,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:01:34,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:01:34,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:01:34,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:01:34,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:01:34,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:01:34,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:01:34,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:01:34,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:01:34,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:01:34,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:01:34,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:01:34,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:01:34,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:01:34,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:01:34,757 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:01:34,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:01:34,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:01:34,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:01:34,762 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:01:34,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:01:34,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:01:34,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:01:34,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:01:34,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:01:34,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:01:34,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:01:34,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:01:34,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:01:34,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:01:34,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:01:34,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:01:34,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:01:34,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:01:34,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:01:34,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:01:34,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:34,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:01:34,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:01:34,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:01:34,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:01:34,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:01:34,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:01:34,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:01:34,770 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-24 15:01:35,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:01:35,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:01:35,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:01:35,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:01:35,243 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:01:35,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 15:01:35,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6dbf3bee/4778bb942d674c2fae11ee7b5e212fe0/FLAG2aa8d8941 [2020-10-24 15:01:36,251 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:01:36,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 15:01:36,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6dbf3bee/4778bb942d674c2fae11ee7b5e212fe0/FLAG2aa8d8941 [2020-10-24 15:01:36,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e6dbf3bee/4778bb942d674c2fae11ee7b5e212fe0 [2020-10-24 15:01:36,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:01:36,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:01:36,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:36,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:01:36,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:01:36,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:36" (1/1) ... [2020-10-24 15:01:36,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e54eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:36, skipping insertion in model container [2020-10-24 15:01:36,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:36" (1/1) ... [2020-10-24 15:01:36,483 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:01:36,593 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:37,061 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:1079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2020-10-24 15:01:37,067 INFO L168 Benchmark]: Toolchain (without parser) took 617.23 ms. Allocated memory is still 52.4 MB. Free memory was 27.4 MB in the beginning and 27.9 MB in the end (delta: -532.1 kB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:37,068 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:37,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.35 ms. Allocated memory is still 52.4 MB. Free memory was 26.8 MB in the beginning and 27.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:37,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory is still 36.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 608.35 ms. Allocated memory is still 52.4 MB. Free memory was 26.8 MB in the beginning and 27.9 MB in the end (delta: -1.1 MB). Peak memory consumption was 5.8 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:01:39,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:01:39,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:01:39,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:01:39,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:01:39,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:01:39,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:01:39,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:01:39,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:01:39,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:01:39,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:01:39,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:01:39,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:01:39,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:01:39,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:01:39,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:01:39,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:01:39,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:01:39,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:01:39,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:01:39,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:01:39,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:01:39,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:01:39,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:01:39,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:01:39,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:01:39,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:01:39,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:01:39,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:01:39,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:01:39,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:01:39,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:01:39,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:01:39,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:01:39,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:01:39,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:01:39,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:01:39,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:01:39,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:01:39,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:01:39,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:01:39,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:01:39,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:01:39,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:01:39,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:01:39,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:01:39,802 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:01:39,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:01:39,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:01:39,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:01:39,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:01:39,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:01:39,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:01:39,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:01:39,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:01:39,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:01:39,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:01:39,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:01:39,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:01:39,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:01:39,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:01:39,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:01:39,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:01:39,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:01:39,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:39,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:01:39,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:01:39,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:01:39,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:01:39,809 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:01:39,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:01:39,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:01:39,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:01:39,809 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-24 15:01:40,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:01:40,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:01:40,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:01:40,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:01:40,241 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:01:40,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 15:01:40,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5619180d/54ee867a32734a5cb64075c20767d15c/FLAG38b1b2a0c [2020-10-24 15:01:41,060 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:01:41,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 15:01:41,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5619180d/54ee867a32734a5cb64075c20767d15c/FLAG38b1b2a0c [2020-10-24 15:01:41,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5619180d/54ee867a32734a5cb64075c20767d15c [2020-10-24 15:01:41,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:01:41,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:01:41,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:41,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:01:41,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:01:41,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:41" (1/1) ... [2020-10-24 15:01:41,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29507169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:41, skipping insertion in model container [2020-10-24 15:01:41,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:41" (1/1) ... [2020-10-24 15:01:41,337 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:01:41,427 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:41,878 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:41,895 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:01:41,946 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:42,330 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:01:42,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42 WrapperNode [2020-10-24 15:01:42,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:42,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:42,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:01:42,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:01:42,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:42,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:01:42,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:01:42,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:01:42,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... [2020-10-24 15:01:42,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:01:42,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:01:42,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:01:42,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:01:42,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:01:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:01:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:01:42,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:01:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:01:44,104 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:01:44,104 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-24 15:01:44,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:44 BoogieIcfgContainer [2020-10-24 15:01:44,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:01:44,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:01:44,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:01:44,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:01:44,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:01:41" (1/3) ... [2020-10-24 15:01:44,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10908ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:44, skipping insertion in model container [2020-10-24 15:01:44,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:42" (2/3) ... [2020-10-24 15:01:44,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10908ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:44, skipping insertion in model container [2020-10-24 15:01:44,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:44" (3/3) ... [2020-10-24 15:01:44,116 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2020-10-24 15:01:44,129 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:01:44,135 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:01:44,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:01:44,176 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:01:44,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:01:44,177 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:01:44,177 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:01:44,177 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:01:44,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:01:44,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:01:44,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:01:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-24 15:01:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:01:44,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:01:44,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:01:44,200 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:01:44,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:01:44,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1657914994, now seen corresponding path program 1 times [2020-10-24 15:01:44,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:01:44,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390831520] [2020-10-24 15:01:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 15:01:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:01:44,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 15:01:44,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:01:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:01:44,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:01:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:01:44,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390831520] [2020-10-24 15:01:44,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:01:44,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 15:01:44,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478370758] [2020-10-24 15:01:44,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:01:44,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:01:44,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:01:44,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:01:44,457 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-10-24 15:01:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:01:44,474 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2020-10-24 15:01:44,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:01:44,476 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 15:01:44,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:01:44,485 INFO L225 Difference]: With dead ends: 32 [2020-10-24 15:01:44,485 INFO L226 Difference]: Without dead ends: 13 [2020-10-24 15:01:44,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:01:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-24 15:01:44,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-24 15:01:44,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-24 15:01:44,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-24 15:01:44,521 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-10-24 15:01:44,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:01:44,522 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-24 15:01:44,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:01:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-24 15:01:44,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:01:44,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:01:44,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:01:44,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:01:44,724 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:01:44,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:01:44,727 INFO L82 PathProgramCache]: Analyzing trace with hash 512799660, now seen corresponding path program 1 times [2020-10-24 15:01:44,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:01:44,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870169962] [2020-10-24 15:01:44,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 15:01:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:01:47,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-24 15:01:47,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:01:47,237 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:01:47,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:01:47,653 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-10-24 15:01:47,658 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:01:47,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:02:06,829 WARN L193 SmtUtils]: Spent 11.14 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-24 15:02:12,987 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ BitVec 64)) (ULTIMATE.start_main_~d1~0 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) ULTIMATE.start_main_~d1~0) ((_ extract 62 52) ULTIMATE.start_main_~d1~0) ((_ extract 51 0) ULTIMATE.start_main_~d1~0))) (.cse0 (fp ((_ extract 63 63) ULTIMATE.start_main_~d~0) ((_ extract 62 52) ULTIMATE.start_main_~d~0) ((_ extract 51 0) ULTIMATE.start_main_~d~0)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero .cse0)) .cse1) (fp.lt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero .cse0) .cse1)) (fp.gt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))))) is different from false [2020-10-24 15:02:15,015 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ BitVec 64)) (ULTIMATE.start_main_~d1~0 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) ULTIMATE.start_main_~d1~0) ((_ extract 62 52) ULTIMATE.start_main_~d1~0) ((_ extract 51 0) ULTIMATE.start_main_~d1~0))) (.cse0 (fp ((_ extract 63 63) ULTIMATE.start_main_~d~0) ((_ extract 62 52) ULTIMATE.start_main_~d~0) ((_ extract 51 0) ULTIMATE.start_main_~d~0)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero .cse0)) .cse1) (fp.lt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero .cse0) .cse1)) (fp.gt .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64)))))) is different from true [2020-10-24 15:02:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:02:23,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:02:36,395 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 20 [2020-10-24 15:02:51,180 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-24 15:02:51,188 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 15:02:54,423 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (fp.eq (fp.roundToIntegral roundTowardZero .cse1) .cse2) (not (= .cse2 ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse1))))))))) is different from true [2020-10-24 15:02:56,479 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (fp.eq (fp.roundToIntegral roundTowardZero .cse1) .cse2) (not (= .cse2 ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse1))))))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond))) is different from true [2020-10-24 15:02:56,486 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 15:03:00,023 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (fp.eq (fp.roundToIntegral roundTowardZero .cse1) .cse2) (not (= .cse2 ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse1))))))) (fp.isNaN .cse0))) is different from true [2020-10-24 15:03:03,816 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse1 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~d~0) ((_ extract 62 52) c_ULTIMATE.start_main_~d~0) ((_ extract 51 0) c_ULTIMATE.start_main_~d~0)))) (or (fp.eq (fp.roundToIntegral roundTowardZero .cse1) .cse2) (not (= .cse2 ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse1))))))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (fp.isNaN .cse0))) is different from true [2020-10-24 15:03:03,826 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 15:03:05,886 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64)) (v_ULTIMATE.start_main_~d~0_7 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse0 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d~0_7) ((_ extract 62 52) v_ULTIMATE.start_main_~d~0_7) ((_ extract 51 0) v_ULTIMATE.start_main_~d~0_7)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (= ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse0)) .cse1)) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (fp.isNaN .cse0) (fp.eq (fp.roundToIntegral roundTowardZero .cse0) .cse1) (fp.isInfinite .cse0)))) is different from false [2020-10-24 15:03:07,924 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64)) (v_ULTIMATE.start_main_~d~0_7 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse0 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d~0_7) ((_ extract 62 52) v_ULTIMATE.start_main_~d~0_7) ((_ extract 51 0) v_ULTIMATE.start_main_~d~0_7)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (= ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse0)) .cse1)) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (fp.isNaN .cse0) (fp.eq (fp.roundToIntegral roundTowardZero .cse0) .cse1) (fp.isInfinite .cse0)))) is different from true [2020-10-24 15:03:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:03:07,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870169962] [2020-10-24 15:03:07,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:03:07,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2020-10-24 15:03:07,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106061453] [2020-10-24 15:03:07,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 15:03:07,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:03:07,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 15:03:07,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=117, Unknown=15, NotChecked=162, Total=342 [2020-10-24 15:03:07,933 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 19 states. [2020-10-24 15:03:11,723 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((v_ULTIMATE.start_main_~d1~0_4 (_ BitVec 64)) (v_ULTIMATE.start_main_~d~0_7 (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 62 52) v_ULTIMATE.start_main_~d1~0_4) ((_ extract 51 0) v_ULTIMATE.start_main_~d1~0_4))) (.cse0 (fp ((_ extract 63 63) v_ULTIMATE.start_main_~d~0_7) ((_ extract 62 52) v_ULTIMATE.start_main_~d~0_7) ((_ extract 51 0) v_ULTIMATE.start_main_~d~0_7)))) (or (not (fp.gt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775808 64)))) (not (= ((_ to_fp 11 53) c_~CRM ((_ fp.to_sbv 64) roundTowardZero .cse0)) .cse1)) (not (fp.lt .cse0 ((_ to_fp 11 53) c_~CRM (_ bv9223372036854775807 64)))) (fp.isNaN .cse0) (fp.eq (fp.roundToIntegral roundTowardZero .cse0) .cse1) (fp.isInfinite .cse0))))) is different from false [2020-10-24 15:03:48,271 WARN L193 SmtUtils]: Spent 31.43 s on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-24 15:04:22,053 WARN L193 SmtUtils]: Spent 29.37 s on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-24 15:05:03,742 WARN L193 SmtUtils]: Spent 31.64 s on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-24 15:05:38,194 WARN L193 SmtUtils]: Spent 30.29 s on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-24 15:06:06,755 WARN L193 SmtUtils]: Spent 24.22 s on a formula simplification that was a NOOP. DAG size: 45 [2020-10-24 15:06:32,567 WARN L193 SmtUtils]: Spent 10.01 s on a formula simplification that was a NOOP. DAG size: 29 [2020-10-24 15:07:25,517 WARN L193 SmtUtils]: Spent 41.77 s on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-10-24 15:07:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:07:25,520 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-24 15:07:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 15:07:25,520 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 12 [2020-10-24 15:07:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:07:25,521 INFO L225 Difference]: With dead ends: 13 [2020-10-24 15:07:25,521 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:07:25,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 307.8s TimeCoverageRelationStatistics Valid=101, Invalid=283, Unknown=24, NotChecked=294, Total=702 [2020-10-24 15:07:25,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:07:25,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:07:25,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:07:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:07:25,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-24 15:07:25,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:07:25,528 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:07:25,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 15:07:25,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:07:25,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:07:25,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 15:07:25,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:07:25,773 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-10-24 15:07:25,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L1008(line 1008) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L277 CegarLoopResult]: At program point L1008-3(line 1008) the Hoare annotation is: true [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L994-2(line 994) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:07:25,774 INFO L277 CegarLoopResult]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point L994-4(line 994) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point L1007-2(line 1007) no Hoare annotation was computed. [2020-10-24 15:07:25,775 INFO L274 CegarLoopResult]: For program point L1007-3(line 1007) no Hoare annotation was computed. [2020-10-24 15:07:25,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:07:25 BoogieIcfgContainer [2020-10-24 15:07:25,784 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:07:25,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:07:25,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:07:25,785 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:07:25,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:44" (3/4) ... [2020-10-24 15:07:25,792 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 15:07:25,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-24 15:07:25,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 15:07:25,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:07:25,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:07:25,871 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 15:07:25,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:07:25,877 INFO L168 Benchmark]: Toolchain (without parser) took 344565.73 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 24.3 MB in the beginning and 22.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,878 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:07:25,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1014.34 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.7 MB in the beginning and 39.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,884 INFO L168 Benchmark]: Boogie Preprocessor took 31.44 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 35.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:07:25,888 INFO L168 Benchmark]: RCFGBuilder took 1636.07 ms. Allocated memory is still 60.8 MB. Free memory was 35.0 MB in the beginning and 40.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,889 INFO L168 Benchmark]: TraceAbstraction took 341676.00 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.6 MB in the beginning and 24.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,890 INFO L168 Benchmark]: Witness Printer took 90.42 ms. Allocated memory is still 73.4 MB. Free memory was 24.7 MB in the beginning and 22.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:25,898 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 48.2 MB. Free memory was 28.6 MB in the beginning and 28.6 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1014.34 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.7 MB in the beginning and 39.2 MB in the end (delta: -15.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.82 ms. Allocated memory is still 60.8 MB. Free memory was 39.2 MB in the beginning and 36.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.44 ms. Allocated memory is still 60.8 MB. Free memory was 36.6 MB in the beginning and 35.0 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1636.07 ms. Allocated memory is still 60.8 MB. Free memory was 35.0 MB in the beginning and 40.2 MB in the end (delta: -5.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 341676.00 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.6 MB in the beginning and 24.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 16.1 GB. * Witness Printer took 90.42 ms. Allocated memory is still 73.4 MB. Free memory was 24.7 MB in the beginning and 22.3 MB in the end (delta: 2.4 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: 1007]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 341.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 257.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 42 SolverSat, 6 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 307.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 80.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 10263 SizeOfPredicates, 11 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...