./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 eb692b52 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 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:57:13,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:57:13,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:57:13,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:57:13,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:57:13,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:57:13,558 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:57:13,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:57:13,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:57:13,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:57:13,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:57:13,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:57:13,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:57:13,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:57:13,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:57:13,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:57:13,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:57:13,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:57:13,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:57:13,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:57:13,594 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:57:13,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:57:13,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:57:13,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:57:13,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:57:13,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:57:13,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:57:13,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:57:13,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:57:13,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:57:13,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:57:13,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:57:13,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:57:13,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:57:13,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:57:13,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:57:13,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:57:13,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:57:13,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:57:13,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:57:13,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:57:13,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:57:13,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 13:57:13,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:57:13,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:57:13,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:57:13,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:57:13,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:57:13,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:57:13,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:57:13,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:57:13,654 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:57:13,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:57:13,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:57:13,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 13:57:13,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:57:13,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:57:13,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:57:13,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:57:13,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:57:13,657 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:57:13,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:57:13,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:57:13,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:57:13,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:57:13,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:57:13,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:57:13,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:57:13,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:57:13,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:57:13,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:57:13,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 13:57:13,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 13:57:13,659 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:57:13,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:57:13,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:57:13,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2022-07-19 13:57:13,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:57:13,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:57:13,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:57:13,925 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:57:13,926 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:57:13,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2022-07-19 13:57:13,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36251cde/9a62c38a160b4cf98cf8d5ca10d451fe/FLAG42c79c4f6 [2022-07-19 13:57:14,422 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:57:14,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2022-07-19 13:57:14,436 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36251cde/9a62c38a160b4cf98cf8d5ca10d451fe/FLAG42c79c4f6 [2022-07-19 13:57:14,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a36251cde/9a62c38a160b4cf98cf8d5ca10d451fe [2022-07-19 13:57:14,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:57:14,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:57:14,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:57:14,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:57:14,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:57:14,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:57:14" (1/1) ... [2022-07-19 13:57:14,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e799fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:14, skipping insertion in model container [2022-07-19 13:57:14,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:57:14" (1/1) ... [2022-07-19 13:57:14,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:57:14,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:57:15,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2022-07-19 13:57:15,016 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:848) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) 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:1120) 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:2412) 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:2412) 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:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) 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:1454) 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:1397) 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:1081) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-07-19 13:57:15,026 INFO L158 Benchmark]: Toolchain (without parser) took 568.64ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 47.0MB in the beginning and 90.2MB in the end (delta: -43.1MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-07-19 13:57:15,028 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:57:15,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.27ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.8MB in the beginning and 90.2MB in the end (delta: -43.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2022-07-19 13:57:15,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 86.0MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.27ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 46.8MB in the beginning and 90.2MB in the end (delta: -43.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * 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:848) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:57:16,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:57:16,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:57:16,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:57:16,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:57:16,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:57:16,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:57:16,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:57:16,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:57:16,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:57:16,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:57:16,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:57:16,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:57:16,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:57:16,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:57:16,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:57:16,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:57:16,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:57:16,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:57:16,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:57:16,971 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:57:16,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:57:16,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:57:16,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:57:16,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:57:16,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:57:16,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:57:16,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:57:16,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:57:16,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:57:16,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:57:16,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:57:16,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:57:16,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:57:16,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:57:16,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:57:16,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:57:16,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:57:16,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:57:16,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:57:16,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:57:16,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:57:17,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 13:57:17,041 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:57:17,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:57:17,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:57:17,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:57:17,043 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:57:17,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:57:17,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:57:17,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:57:17,045 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:57:17,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:57:17,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:57:17,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:57:17,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:57:17,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:57:17,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:57:17,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:57:17,047 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 13:57:17,047 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 13:57:17,047 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 13:57:17,048 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:57:17,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:57:17,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:57:17,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:57:17,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:57:17,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:57:17,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:57:17,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:57:17,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:57:17,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:57:17,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:57:17,050 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 13:57:17,050 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 13:57:17,050 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:57:17,051 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:57:17,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:57:17,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 13:57:17,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2022-07-19 13:57:17,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:57:17,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:57:17,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:57:17,427 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:57:17,428 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:57:17,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2022-07-19 13:57:17,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246f3d822/cabf72c300164c9ea32b6cd33afff9e0/FLAGc10ff2708 [2022-07-19 13:57:18,006 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:57:18,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2022-07-19 13:57:18,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246f3d822/cabf72c300164c9ea32b6cd33afff9e0/FLAGc10ff2708 [2022-07-19 13:57:18,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/246f3d822/cabf72c300164c9ea32b6cd33afff9e0 [2022-07-19 13:57:18,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:57:18,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:57:18,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:57:18,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:57:18,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:57:18,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:18,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199248a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18, skipping insertion in model container [2022-07-19 13:57:18,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:18,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:57:18,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:57:18,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2022-07-19 13:57:18,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:57:18,836 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:57:18,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2022-07-19 13:57:18,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:57:18,999 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:57:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18 WrapperNode [2022-07-19 13:57:18,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:57:19,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:57:19,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:57:19,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:57:19,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,063 INFO L137 Inliner]: procedures = 461, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-07-19 13:57:19,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:57:19,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:57:19,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:57:19,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:57:19,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:57:19,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:57:19,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:57:19,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:57:19,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (1/1) ... [2022-07-19 13:57:19,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:57:19,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:57:19,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 13:57:19,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 13:57:19,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 13:57:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:57:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:57:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:57:19,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 13:57:19,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 13:57:19,277 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:57:19,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:57:20,859 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:57:20,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:57:20,864 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:57:20,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:57:20 BoogieIcfgContainer [2022-07-19 13:57:20,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:57:20,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:57:20,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:57:20,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:57:20,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:57:18" (1/3) ... [2022-07-19 13:57:20,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4181d903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:57:20, skipping insertion in model container [2022-07-19 13:57:20,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:57:18" (2/3) ... [2022-07-19 13:57:20,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4181d903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:57:20, skipping insertion in model container [2022-07-19 13:57:20,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:57:20" (3/3) ... [2022-07-19 13:57:20,873 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2022-07-19 13:57:20,886 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:57:20,886 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:57:20,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:57:20,945 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@753e4f5f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f7e90a8 [2022-07-19 13:57:20,945 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:57:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 13:57:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 13:57:20,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:57:20,956 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:57:20,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:57:20,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:57:20,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1694693467, now seen corresponding path program 1 times [2022-07-19 13:57:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:57:20,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [620371772] [2022-07-19 13:57:20,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:57:20,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:57:20,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:57:20,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 13:57:20,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 13:57:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 13:57:21,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 13:57:21,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 13:57:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-19 13:57:21,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 13:57:21,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 13:57:21,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [620371772] [2022-07-19 13:57:21,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [620371772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 13:57:21,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 13:57:21,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 13:57:21,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126180867] [2022-07-19 13:57:21,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 13:57:21,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 13:57:21,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 13:57:21,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 13:57:21,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 13:57:21,170 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 13:57:21,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 13:57:21,185 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2022-07-19 13:57:21,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 13:57:21,188 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-07-19 13:57:21,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 13:57:21,206 INFO L225 Difference]: With dead ends: 31 [2022-07-19 13:57:21,207 INFO L226 Difference]: Without dead ends: 13 [2022-07-19 13:57:21,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 13:57:21,215 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 13:57:21,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 13:57:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-07-19 13:57:21,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-19 13:57:21,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 13:57:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-07-19 13:57:21,248 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 20 [2022-07-19 13:57:21,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 13:57:21,249 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-07-19 13:57:21,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-19 13:57:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-07-19 13:57:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 13:57:21,252 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:57:21,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:57:21,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 13:57:21,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:57:21,454 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:57:21,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:57:21,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1957438941, now seen corresponding path program 1 times [2022-07-19 13:57:21,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:57:21,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931873217] [2022-07-19 13:57:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:57:21,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:57:21,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:57:21,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-19 13:57:21,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 13:57:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 13:57:22,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-19 13:57:22,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 13:58:06,852 WARN L833 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from false [2022-07-19 13:58:08,880 WARN L855 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~d~0#1| (_ FloatingPoint 11 53))) (and (fp.lt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))) (fp.gt |ULTIMATE.start_main_~d~0#1| ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero |ULTIMATE.start_main_~d~0#1|) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero |ULTIMATE.start_main_~d~0#1|)))))) is different from true [2022-07-19 13:58:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-19 13:58:08,881 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 13:58:08,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 13:58:08,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931873217] [2022-07-19 13:58:08,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931873217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 13:58:08,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 13:58:08,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 13:58:08,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72467366] [2022-07-19 13:58:08,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 13:58:08,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-19 13:58:08,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 13:58:08,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-19 13:58:08,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=49, Unknown=2, NotChecked=14, Total=90 [2022-07-19 13:58:08,885 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 13:58:16,028 WARN L233 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-19 13:58:16,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 13:58:16,029 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2022-07-19 13:58:16,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-19 13:58:16,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 20 [2022-07-19 13:58:16,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 13:58:16,030 INFO L225 Difference]: With dead ends: 13 [2022-07-19 13:58:16,030 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 13:58:16,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=37, Invalid=75, Unknown=2, NotChecked=18, Total=132 [2022-07-19 13:58:16,031 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-19 13:58:16,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 16 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 19 Unchecked, 0.9s Time] [2022-07-19 13:58:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 13:58:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 13:58:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 13:58:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 13:58:16,033 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-07-19 13:58:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 13:58:16,033 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 13:58:16,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-19 13:58:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 13:58:16,034 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 13:58:16,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:58:16,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-19 13:58:16,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:58:16,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 13:58:16,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 13:58:16,283 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 13:58:16,284 INFO L902 garLoopResultBuilder]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2022-07-19 13:58:16,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 13:58:16,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 13:58:16,284 INFO L899 garLoopResultBuilder]: For program point L1018(line 1018) no Hoare annotation was computed. [2022-07-19 13:58:16,284 INFO L895 garLoopResultBuilder]: At program point L1016(line 1016) the Hoare annotation is: (and (not (fp.isNaN |ULTIMATE.start_main_~d~0#1|)) (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-19 13:58:16,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2022-07-19 13:58:16,284 INFO L895 garLoopResultBuilder]: At program point L1015(line 1015) the Hoare annotation is: (= currentRoundingMode roundNearestTiesToEven) [2022-07-19 13:58:16,285 INFO L895 garLoopResultBuilder]: At program point L1015-1(line 1015) the Hoare annotation is: (and (not (fp.isInfinite |ULTIMATE.start_main_~d~0#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-19 13:58:16,285 INFO L899 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2022-07-19 13:58:16,285 INFO L899 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2022-07-19 13:58:16,285 INFO L902 garLoopResultBuilder]: At program point L1008-3(line 1008) the Hoare annotation is: true [2022-07-19 13:58:16,285 INFO L899 garLoopResultBuilder]: For program point L994-2(lines 993 995) no Hoare annotation was computed. [2022-07-19 13:58:16,285 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 993 995) the Hoare annotation is: true [2022-07-19 13:58:16,285 INFO L899 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2022-07-19 13:58:16,286 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 993 995) no Hoare annotation was computed. [2022-07-19 13:58:16,288 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 13:58:16,290 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:58:16,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:58:16 BoogieIcfgContainer [2022-07-19 13:58:16,296 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:58:16,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:58:16,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:58:16,298 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:58:16,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:57:20" (3/4) ... [2022-07-19 13:58:16,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 13:58:16,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-07-19 13:58:16,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-07-19 13:58:16,310 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 13:58:16,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 13:58:16,311 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 13:58:16,334 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 13:58:16,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:58:16,335 INFO L158 Benchmark]: Toolchain (without parser) took 58012.49ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 39.5MB in the beginning and 34.1MB in the end (delta: 5.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,336 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.2MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:58:16,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.41ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 32.0MB in the end (delta: 7.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 56.6MB. Free memory was 32.0MB in the beginning and 29.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,342 INFO L158 Benchmark]: Boogie Preprocessor took 43.62ms. Allocated memory is still 56.6MB. Free memory was 29.4MB in the beginning and 28.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,344 INFO L158 Benchmark]: RCFGBuilder took 1757.00ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 47.1MB in the end (delta: -19.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,344 INFO L158 Benchmark]: TraceAbstraction took 55428.88ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 36.6MB in the end (delta: 9.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,345 INFO L158 Benchmark]: Witness Printer took 36.28ms. Allocated memory is still 69.2MB. Free memory was 36.6MB in the beginning and 34.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:58:16,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 28.3MB in the beginning and 28.2MB in the end (delta: 39.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.41ms. Allocated memory is still 56.6MB. Free memory was 39.3MB in the beginning and 32.0MB in the end (delta: 7.3MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 56.6MB. Free memory was 32.0MB in the beginning and 29.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.62ms. Allocated memory is still 56.6MB. Free memory was 29.4MB in the beginning and 28.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1757.00ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 28.1MB in the beginning and 47.1MB in the end (delta: -19.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 55428.88ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 36.6MB in the end (delta: 9.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 36.28ms. Allocated memory is still 69.2MB. Free memory was 36.6MB in the beginning and 34.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1008]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.4s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 19 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 25 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 6 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 23 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 46.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 38 ConstructedInterpolants, 2 QuantifiedInterpolants, 196 SizeOfPredicates, 8 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 24/24 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 - 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 RESULT: Ultimate proved your program to be correct! [2022-07-19 13:58:16,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE