./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 .................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:58:50,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:58:50,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:58:50,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:58:50,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:58:50,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:58:50,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:58:50,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:58:50,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:58:50,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:58:50,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:58:50,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:58:50,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:58:50,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:58:50,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:58:50,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:58:50,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:58:50,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:58:50,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:58:50,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:58:50,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:58:50,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:58:50,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:58:50,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:58:50,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:58:50,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:58:50,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:58:50,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:58:50,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:58:50,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:58:50,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:58:50,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:58:50,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:58:50,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:58:50,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:58:50,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:58:50,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:58:50,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:58:50,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:58:50,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:58:50,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:58:50,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:58:50,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:58:50,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:58:50,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:58:50,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:58:50,799 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:58:50,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:58:50,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:58:50,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:58:50,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:58:50,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:58:50,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:58:50,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:58:50,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:58:50,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:58:50,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:58:50,804 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:58:50,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:58:50,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:58:50,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:58:50,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:58:50,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:58:50,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:58:50,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:58:50,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:58:50,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:58:50,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:58:50,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:58:50,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:58:50,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:58:50,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-24 22:58:51,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:58:51,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:58:51,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:58:51,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:58:51,409 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:58:51,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 22:58:51,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d07b25/c1d8be6f9b6b45c1abd2520a7d3feb8c/FLAG117962c22 [2020-10-24 22:58:52,347 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:58:52,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 22:58:52,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d07b25/c1d8be6f9b6b45c1abd2520a7d3feb8c/FLAG117962c22 [2020-10-24 22:58:52,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b02d07b25/c1d8be6f9b6b45c1abd2520a7d3feb8c [2020-10-24 22:58:52,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:58:52,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:58:52,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:58:52,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:58:52,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:58:52,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:58:52" (1/1) ... [2020-10-24 22:58:52,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a97dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:52, skipping insertion in model container [2020-10-24 22:58:52,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:58:52" (1/1) ... [2020-10-24 22:58:52,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:58:52,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:58:53,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 22:58:53,065 INFO L168 Benchmark]: Toolchain (without parser) took 576.03 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 24.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 22:58:53,066 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:58:53,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.49 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 24.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-24 22:58:53,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory was 17.6 MB in the beginning and 17.6 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.49 ms. Allocated memory is still 46.1 MB. Free memory was 26.9 MB in the beginning and 24.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 9.3 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:58:55,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:58:55,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:58:55,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:58:55,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:58:55,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:58:55,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:58:55,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:58:55,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:58:55,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:58:55,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:58:55,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:58:55,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:58:55,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:58:55,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:58:55,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:58:55,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:58:55,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:58:55,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:58:55,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:58:55,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:58:55,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:58:55,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:58:55,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:58:55,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:58:55,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:58:55,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:58:55,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:58:55,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:58:55,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:58:55,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:58:55,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:58:55,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:58:55,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:58:55,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:58:55,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:58:55,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:58:55,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:58:55,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:58:55,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:58:55,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:58:55,800 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:58:55,856 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:58:55,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:58:55,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:58:55,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:58:55,859 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:58:55,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:58:55,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:58:55,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:58:55,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:58:55,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:58:55,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:58:55,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:58:55,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:58:55,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:58:55,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:58:55,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:58:55,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:58:55,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:58:55,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:58:55,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:58:55,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:58:55,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:58:55,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:58:55,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:58:55,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:58:55,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:58:55,863 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:58:55,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:58:55,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:58:55,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:58:55,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:58:55,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-10-24 22:58:56,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:58:56,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:58:56,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:58:56,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:58:56,333 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:58:56,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 22:58:56,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5957c033d/6169287e8e8d460f9be0a29dafb58ba7/FLAG9ddf01ab5 [2020-10-24 22:58:57,206 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:58:57,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-10-24 22:58:57,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5957c033d/6169287e8e8d460f9be0a29dafb58ba7/FLAG9ddf01ab5 [2020-10-24 22:58:57,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5957c033d/6169287e8e8d460f9be0a29dafb58ba7 [2020-10-24 22:58:57,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:58:57,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:58:57,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:58:57,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:58:57,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:58:57,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:58:57" (1/1) ... [2020-10-24 22:58:57,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddf9cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:57, skipping insertion in model container [2020-10-24 22:58:57,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:58:57" (1/1) ... [2020-10-24 22:58:57,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:58:57,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:58:58,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:58:58,150 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 22:58:58,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 22:58:58,687 INFO L208 MainTranslator]: Completed translation [2020-10-24 22:58:58,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58 WrapperNode [2020-10-24 22:58:58,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 22:58:58,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 22:58:58,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 22:58:58,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 22:58:58,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 22:58:58,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 22:58:58,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 22:58:58,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 22:58:58,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... [2020-10-24 22:58:58,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 22:58:58,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 22:58:58,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 22:58:58,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 22:58:58,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:58:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 22:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 22:58:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 22:58:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 22:59:00,302 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 22:59:00,302 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-24 22:59:00,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:00 BoogieIcfgContainer [2020-10-24 22:59:00,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 22:59:00,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 22:59:00,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 22:59:00,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 22:59:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:58:57" (1/3) ... [2020-10-24 22:59:00,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ced8c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:59:00, skipping insertion in model container [2020-10-24 22:59:00,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:58:58" (2/3) ... [2020-10-24 22:59:00,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ced8c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:59:00, skipping insertion in model container [2020-10-24 22:59:00,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:00" (3/3) ... [2020-10-24 22:59:00,314 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2020-10-24 22:59:00,327 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 22:59:00,333 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 22:59:00,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 22:59:00,377 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 22:59:00,377 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 22:59:00,377 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 22:59:00,377 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 22:59:00,377 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 22:59:00,378 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 22:59:00,378 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 22:59:00,378 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 22:59:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-24 22:59:00,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:59:00,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:59:00,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:59:00,401 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:59:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:59:00,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1657914994, now seen corresponding path program 1 times [2020-10-24 22:59:00,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:59:00,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13845862] [2020-10-24 22:59:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 22:59:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:59:00,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 22:59:00,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:59:00,615 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 22:59:00,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 22:59:00,621 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 22:59:00,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13845862] [2020-10-24 22:59:00,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 22:59:00,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 22:59:00,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795836826] [2020-10-24 22:59:00,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 22:59:00,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 22:59:00,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 22:59:00,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 22:59:00,648 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-10-24 22:59:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 22:59:00,667 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2020-10-24 22:59:00,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 22:59:00,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 22:59:00,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 22:59:00,678 INFO L225 Difference]: With dead ends: 32 [2020-10-24 22:59:00,678 INFO L226 Difference]: Without dead ends: 13 [2020-10-24 22:59:00,681 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 22:59:00,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-24 22:59:00,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-24 22:59:00,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-24 22:59:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-10-24 22:59:00,717 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-10-24 22:59:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 22:59:00,718 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-10-24 22:59:00,718 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 22:59:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-10-24 22:59:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 22:59:00,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 22:59:00,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 22:59:00,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 22:59:00,934 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 22:59:00,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 22:59:00,936 INFO L82 PathProgramCache]: Analyzing trace with hash 512799660, now seen corresponding path program 1 times [2020-10-24 22:59:00,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 22:59:00,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1201564500] [2020-10-24 22:59:00,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 22:59:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 22:59:02,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-24 22:59:02,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 22:59:03,051 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 22:59:03,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 22:59:03,365 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-10-24 22:59:03,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 22:59:03,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-24 22:59:25,022 WARN L193 SmtUtils]: Spent 11.25 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-24 22:59:31,152 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from false [2020-10-24 22:59:33,206 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from true [2020-10-24 22:59:41,393 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 22:59:41,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:00:02,501 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 7 [2020-10-24 23:00:23,473 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 23:00:23,480 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:00:26,502 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-10-24 23:00:29,120 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-10-24 23:00:29,126 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:00:32,303 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (fp.isNaN c_ULTIMATE.start_main_~d~0) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-10-24 23:00:35,270 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (fp.isNaN c_ULTIMATE.start_main_~d~0) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-10-24 23:00:35,289 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-10-24 23:00:35,290 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-24 23:00:37,357 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from false [2020-10-24 23:00:39,421 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from true [2020-10-24 23:00:39,422 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 23:00:39,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1201564500] [2020-10-24 23:00:39,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:00:39,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2020-10-24 23:00:39,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326084315] [2020-10-24 23:00:39,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 23:00:39,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:00:39,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 23:00:39,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=116, Unknown=16, NotChecked=162, Total=342 [2020-10-24 23:00:39,428 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 19 states. [2020-10-24 23:00:43,785 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2020-10-24 23:01:32,262 WARN L193 SmtUtils]: Spent 38.44 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-10-24 23:02:14,622 WARN L193 SmtUtils]: Spent 32.17 s on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-10-24 23:02:57,946 WARN L193 SmtUtils]: Spent 33.80 s on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-10-24 23:03:01,923 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse5 (fp.isNaN c_ULTIMATE.start_main_~d~0)) (.cse0 (fp.isInfinite c_ULTIMATE.start_main_~d~0))) (let ((.cse2 (not .cse0)) (.cse1 (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond)) (.cse3 (= (_ bv1 32) c_ULTIMATE.start_assume_abort_if_not_~cond)) (.cse4 (not .cse5))) (and (or (and .cse0 .cse1) (and .cse2 .cse3)) (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) .cse2 .cse4 (= c_currentRoundingMode roundNearestTiesToEven) (or (and .cse5 .cse1) (and .cse3 .cse4))))) is different from true [2020-10-24 23:03:25,941 WARN L193 SmtUtils]: Spent 16.34 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-24 23:04:04,988 WARN L193 SmtUtils]: Spent 36.23 s on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2020-10-24 23:05:19,175 WARN L193 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-10-24 23:05:19,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:05:19,178 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-10-24 23:05:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-24 23:05:19,179 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 12 [2020-10-24 23:05:19,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:05:19,179 INFO L225 Difference]: With dead ends: 13 [2020-10-24 23:05:19,179 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 23:05:19,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 351.0s TimeCoverageRelationStatistics Valid=107, Invalid=244, Unknown=23, NotChecked=328, Total=702 [2020-10-24 23:05:19,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 23:05:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 23:05:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 23:05:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 23:05:19,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-10-24 23:05:19,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:05:19,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 23:05:19,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 23:05:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 23:05:19,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 23:05:19,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:05:19,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 23:05:19,466 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-10-24 23:05:19,467 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 23:05:19,467 INFO L274 CegarLoopResult]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2020-10-24 23:05:19,468 INFO L274 CegarLoopResult]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2020-10-24 23:05:19,468 INFO L274 CegarLoopResult]: For program point L1008(line 1008) no Hoare annotation was computed. [2020-10-24 23:05:19,468 INFO L274 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-10-24 23:05:19,469 INFO L277 CegarLoopResult]: At program point L1008-3(line 1008) the Hoare annotation is: true [2020-10-24 23:05:19,469 INFO L274 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2020-10-24 23:05:19,469 INFO L274 CegarLoopResult]: For program point L994-2(line 994) no Hoare annotation was computed. [2020-10-24 23:05:19,469 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 23:05:19,469 INFO L277 CegarLoopResult]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2020-10-24 23:05:19,469 INFO L274 CegarLoopResult]: For program point L994-4(line 994) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point L1007-2(line 1007) no Hoare annotation was computed. [2020-10-24 23:05:19,470 INFO L274 CegarLoopResult]: For program point L1007-3(line 1007) no Hoare annotation was computed. [2020-10-24 23:05:19,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:05:19 BoogieIcfgContainer [2020-10-24 23:05:19,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:05:19,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:05:19,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:05:19,487 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:05:19,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:59:00" (3/4) ... [2020-10-24 23:05:19,496 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 23:05:19,516 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-24 23:05:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 23:05:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:05:19,517 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 23:05:19,604 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:05:19,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:05:19,610 INFO L168 Benchmark]: Toolchain (without parser) took 382227.75 ms. Allocated memory was 37.7 MB in the beginning and 69.2 MB in the end (delta: 31.5 MB). Free memory was 21.1 MB in the beginning and 39.4 MB in the end (delta: -18.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,610 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 37.7 MB. Free memory is still 24.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:05:19,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.13 ms. Allocated memory was 37.7 MB in the beginning and 56.6 MB in the end (delta: 18.9 MB). Free memory was 20.5 MB in the beginning and 38.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.25 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 36.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,614 INFO L168 Benchmark]: Boogie Preprocessor took 66.17 ms. Allocated memory is still 56.6 MB. Free memory was 36.1 MB in the beginning and 34.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,616 INFO L168 Benchmark]: RCFGBuilder took 1438.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 21.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,617 INFO L168 Benchmark]: TraceAbstraction took 379178.73 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 20.9 MB in the beginning and 42.1 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:05:19,618 INFO L168 Benchmark]: Witness Printer took 118.20 ms. Allocated memory is still 69.2 MB. Free memory was 42.1 MB in the beginning and 39.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:05:19,624 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 37.7 MB. Free memory is still 24.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1300.13 ms. Allocated memory was 37.7 MB in the beginning and 56.6 MB in the end (delta: 18.9 MB). Free memory was 20.5 MB in the beginning and 38.8 MB in the end (delta: -18.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.25 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 36.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.17 ms. Allocated memory is still 56.6 MB. Free memory was 36.1 MB in the beginning and 34.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1438.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 21.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 379178.73 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 20.9 MB in the beginning and 42.1 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 118.20 ms. Allocated memory is still 69.2 MB. Free memory was 42.1 MB in the beginning and 39.4 MB in the end (delta: 2.7 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: 379.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 279.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 35 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 351.0s 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, 1.9s SatisfiabilityAnalysisTime, 96.5s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 5 QuantifiedInterpolants, 4279 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...