./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/float-newlib/double_req_bl_0873b.c -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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 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................................................................................................................................................................................................ 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/float-newlib/double_req_bl_0873b.c -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 e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 01:35:21,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:35:21,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:35:21,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:35:21,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:35:21,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:35:21,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:35:21,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:35:21,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:35:21,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:35:21,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:35:21,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:35:21,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:35:21,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:35:21,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:35:21,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:35:21,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:35:21,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:35:21,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:35:21,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:35:21,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:35:21,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:35:21,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:35:21,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:35:21,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:35:21,369 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:35:21,369 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:35:21,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:35:21,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:35:21,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:35:21,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:35:21,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:35:21,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:35:21,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:35:21,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:35:21,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:35:21,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:35:21,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:35:21,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:35:21,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:35:21,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:35:21,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 01:35:21,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:35:21,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:35:21,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:35:21,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:35:21,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:35:21,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:35:21,403 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:35:21,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:35:21,404 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:35:21,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:35:21,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:35:21,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:35:21,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:35:21,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:35:21,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:35:21,406 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:35:21,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:35:21,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:35:21,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:35:21,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:35:21,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:35:21,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 01:35:21,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 01:35:21,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:35:21,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:35:21,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2021-08-26 01:35:21,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:35:21,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:35:21,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:35:21,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:35:21,686 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:35:21,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2021-08-26 01:35:21,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9f06698/63b61dfac4c64082bd82442396d5d659/FLAGfecb4566f [2021-08-26 01:35:22,157 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:35:22,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2021-08-26 01:35:22,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9f06698/63b61dfac4c64082bd82442396d5d659/FLAGfecb4566f [2021-08-26 01:35:22,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9f06698/63b61dfac4c64082bd82442396d5d659 [2021-08-26 01:35:22,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:35:22,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:35:22,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:35:22,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:35:22,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:35:22,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:35:22" (1/1) ... [2021-08-26 01:35:22,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7327d7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:22, skipping insertion in model container [2021-08-26 01:35:22,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:35:22" (1/1) ... [2021-08-26 01:35:22,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:35:22,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:35:22,434 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:360) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) 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.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) 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:1430) 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:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-26 01:35:22,439 INFO L168 Benchmark]: Toolchain (without parser) took 248.46 ms. Allocated memory is still 62.9 MB. Free memory was 43.1 MB in the beginning and 45.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 01:35:22,440 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 62.9 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:35:22,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.19 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 45.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 01:35:22,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 62.9 MB. Free memory was 45.3 MB in the beginning and 45.3 MB in the end (delta: 44.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.19 ms. Allocated memory is still 62.9 MB. Free memory was 42.8 MB in the beginning and 45.2 MB in the end (delta: -2.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 01:35:24,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 01:35:24,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 01:35:24,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 01:35:24,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 01:35:24,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 01:35:24,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 01:35:24,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 01:35:24,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 01:35:24,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 01:35:24,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 01:35:24,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 01:35:24,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 01:35:24,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 01:35:24,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 01:35:24,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 01:35:24,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 01:35:24,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 01:35:24,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 01:35:24,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 01:35:24,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 01:35:24,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 01:35:24,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 01:35:24,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 01:35:24,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 01:35:24,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 01:35:24,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 01:35:24,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 01:35:24,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 01:35:24,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 01:35:24,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 01:35:24,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 01:35:24,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 01:35:24,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 01:35:24,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 01:35:24,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 01:35:24,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 01:35:24,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 01:35:24,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 01:35:24,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 01:35:24,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 01:35:24,373 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 01:35:24,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 01:35:24,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 01:35:24,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 01:35:24,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 01:35:24,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 01:35:24,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 01:35:24,402 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 01:35:24,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 01:35:24,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 01:35:24,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 01:35:24,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 01:35:24,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 01:35:24,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 01:35:24,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 01:35:24,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:35:24,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 01:35:24,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 01:35:24,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 01:35:24,412 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 01:35:24,413 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 01:35:24,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 01:35:24,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 01:35:24,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 01:35:24,413 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e01b9444306bd40d5c7dd4c1b1c0ac559d6de1d7 [2021-08-26 01:35:24,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 01:35:24,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 01:35:24,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 01:35:24,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 01:35:24,697 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 01:35:24,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2021-08-26 01:35:24,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7967a21ca/021b3b38dbd34ee18a8bb2083735cbd6/FLAG28d64b568 [2021-08-26 01:35:25,144 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 01:35:25,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c [2021-08-26 01:35:25,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7967a21ca/021b3b38dbd34ee18a8bb2083735cbd6/FLAG28d64b568 [2021-08-26 01:35:25,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7967a21ca/021b3b38dbd34ee18a8bb2083735cbd6 [2021-08-26 01:35:25,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 01:35:25,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 01:35:25,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 01:35:25,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 01:35:25,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 01:35:25,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:25,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f67b99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25, skipping insertion in model container [2021-08-26 01:35:25,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:25,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 01:35:25,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 01:35:25,846 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2021-08-26 01:35:25,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:35:25,856 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 01:35:25,969 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0873b.c[13947,13960] [2021-08-26 01:35:25,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 01:35:25,987 INFO L208 MainTranslator]: Completed translation [2021-08-26 01:35:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25 WrapperNode [2021-08-26 01:35:25,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 01:35:25,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 01:35:25,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 01:35:25,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 01:35:26,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 01:35:26,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 01:35:26,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 01:35:26,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 01:35:26,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 01:35:26,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 01:35:26,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 01:35:26,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 01:35:26,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (1/1) ... [2021-08-26 01:35:26,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 01:35:26,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:35:26,221 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) [2021-08-26 01:35:26,223 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 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 01:35:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-26 01:35:26,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 01:36:21,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 01:36:21,785 INFO L299 CfgBuilder]: Removed 88 assume(true) statements. [2021-08-26 01:36:21,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:36:21 BoogieIcfgContainer [2021-08-26 01:36:21,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 01:36:21,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 01:36:21,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 01:36:21,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 01:36:21,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 01:35:25" (1/3) ... [2021-08-26 01:36:21,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8b340f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:36:21, skipping insertion in model container [2021-08-26 01:36:21,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 01:35:25" (2/3) ... [2021-08-26 01:36:21,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8b340f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 01:36:21, skipping insertion in model container [2021-08-26 01:36:21,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:36:21" (3/3) ... [2021-08-26 01:36:21,809 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0873b.c [2021-08-26 01:36:21,813 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 01:36:21,813 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 01:36:21,883 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 01:36:21,906 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 01:36:21,906 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 01:36:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 208 states have (on average 1.7259615384615385) internal successors, (359), 209 states have internal predecessors, (359), 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) [2021-08-26 01:36:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-26 01:36:21,948 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:36:21,948 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:36:21,949 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:36:21,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:36:21,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2021-08-26 01:36:21,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:36:21,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741379759] [2021-08-26 01:36:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:36:21,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:36:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:36:21,968 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) [2021-08-26 01:36:21,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 01:36:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:36:22,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 01:36:22,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:36:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:22,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:36:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:22,685 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:36:22,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741379759] [2021-08-26 01:36:22,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741379759] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:36:22,686 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:36:22,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 01:36:22,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994715358] [2021-08-26 01:36:22,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 01:36:22,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:36:22,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 01:36:22,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:36:22,705 INFO L87 Difference]: Start difference. First operand has 210 states, 208 states have (on average 1.7259615384615385) internal successors, (359), 209 states have internal predecessors, (359), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-08-26 01:36:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:36:22,756 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2021-08-26 01:36:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 01:36:22,758 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) Word has length 9 [2021-08-26 01:36:22,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:36:22,773 INFO L225 Difference]: With dead ends: 418 [2021-08-26 01:36:22,773 INFO L226 Difference]: Without dead ends: 207 [2021-08-26 01:36:22,776 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 01:36:22,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-08-26 01:36:22,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2021-08-26 01:36:22,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.383495145631068) internal successors, (285), 206 states have internal predecessors, (285), 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) [2021-08-26 01:36:22,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2021-08-26 01:36:22,833 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2021-08-26 01:36:22,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:36:22,833 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2021-08-26 01:36:22,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-08-26 01:36:22,834 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2021-08-26 01:36:22,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-26 01:36:22,834 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:36:22,834 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:36:22,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 01:36:23,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:36:23,047 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:36:23,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:36:23,051 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2021-08-26 01:36:23,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:36:23,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625155471] [2021-08-26 01:36:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:36:23,052 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:36:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:36:23,054 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) [2021-08-26 01:36:23,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 01:36:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:36:23,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 01:36:23,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:36:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:25,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:36:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:28,847 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:36:28,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625155471] [2021-08-26 01:36:28,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625155471] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:36:28,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:36:28,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-26 01:36:28,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762278244] [2021-08-26 01:36:28,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 01:36:28,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:36:28,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 01:36:28,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-26 01:36:28,849 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-08-26 01:36:41,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:36:41,012 INFO L93 Difference]: Finished difference Result 332 states and 449 transitions. [2021-08-26 01:36:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 01:36:41,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) Word has length 11 [2021-08-26 01:36:41,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:36:41,160 INFO L225 Difference]: With dead ends: 332 [2021-08-26 01:36:41,160 INFO L226 Difference]: Without dead ends: 137 [2021-08-26 01:36:41,162 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4000.0ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-08-26 01:36:41,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-26 01:36:41,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2021-08-26 01:36:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 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) [2021-08-26 01:36:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 166 transitions. [2021-08-26 01:36:41,167 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 166 transitions. Word has length 11 [2021-08-26 01:36:41,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:36:41,168 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 166 transitions. [2021-08-26 01:36:41,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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) [2021-08-26 01:36:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 166 transitions. [2021-08-26 01:36:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 01:36:41,168 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:36:41,168 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:36:41,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-08-26 01:36:41,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:36:41,389 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:36:41,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:36:41,390 INFO L82 PathProgramCache]: Analyzing trace with hash -305805344, now seen corresponding path program 1 times [2021-08-26 01:36:41,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:36:41,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856974428] [2021-08-26 01:36:41,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:36:41,391 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:36:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:36:41,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:36:41,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 01:36:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:36:41,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 01:36:41,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:36:43,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:43,205 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:36:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:36:44,341 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:36:44,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856974428] [2021-08-26 01:36:44,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856974428] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:36:44,341 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:36:44,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-08-26 01:36:44,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810677570] [2021-08-26 01:36:44,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-26 01:36:44,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:36:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-26 01:36:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-26 01:36:44,342 INFO L87 Difference]: Start difference. First operand 133 states and 166 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-26 01:38:34,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:38:34,641 INFO L93 Difference]: Finished difference Result 141 states and 172 transitions. [2021-08-26 01:38:34,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 01:38:34,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2021-08-26 01:38:34,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:38:34,689 INFO L225 Difference]: With dead ends: 141 [2021-08-26 01:38:34,689 INFO L226 Difference]: Without dead ends: 137 [2021-08-26 01:38:34,690 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1651.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-26 01:38:34,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-08-26 01:38:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2021-08-26 01:38:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 132 states have internal predecessors, (164), 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) [2021-08-26 01:38:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 164 transitions. [2021-08-26 01:38:34,695 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 164 transitions. Word has length 13 [2021-08-26 01:38:34,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:38:34,695 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 164 transitions. [2021-08-26 01:38:34,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-08-26 01:38:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2021-08-26 01:38:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-26 01:38:34,696 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:38:34,696 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:38:34,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 01:38:34,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:38:34,910 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:38:34,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:38:34,910 INFO L82 PathProgramCache]: Analyzing trace with hash -305745762, now seen corresponding path program 1 times [2021-08-26 01:38:34,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:38:34,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230333527] [2021-08-26 01:38:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:38:34,911 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:38:34,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:38:34,920 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:38:34,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-26 01:38:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:38:35,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-26 01:38:35,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:38:35,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 52 [2021-08-26 01:38:39,427 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-26 01:38:39,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 75 [2021-08-26 01:38:40,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-08-26 01:38:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:38:46,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:38:55,700 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:38:55,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230333527] [2021-08-26 01:38:55,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-26 01:38:55,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1944736814] [2021-08-26 01:38:55,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:38:55,701 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-26 01:38:55,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-26 01:38:55,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-26 01:38:55,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-08-26 01:39:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:39:01,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 16 conjunts are in the unsatisfiable core [2021-08-26 01:39:01,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:39:01,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 45 [2021-08-26 01:39:04,856 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-26 01:39:04,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 70 treesize of output 70 [2021-08-26 01:39:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-08-26 01:39:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:39:11,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:39:20,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-26 01:39:20,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712567901] [2021-08-26 01:39:20,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:39:20,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 01:39:20,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:39:20,076 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 01:39:20,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-26 01:39:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:39:20,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-26 01:39:20,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:39:21,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2021-08-26 01:39:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:39:25,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:39:27,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-08-26 01:39:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:39:29,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712567901] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:39:29,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:39:29,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-08-26 01:39:29,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006033849] [2021-08-26 01:39:29,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 01:39:29,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:39:29,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 01:39:29,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2021-08-26 01:39:29,970 INFO L87 Difference]: Start difference. First operand 133 states and 164 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-08-26 01:39:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:39:34,860 INFO L93 Difference]: Finished difference Result 154 states and 190 transitions. [2021-08-26 01:39:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 01:39:34,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) Word has length 13 [2021-08-26 01:39:34,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:39:34,863 INFO L225 Difference]: With dead ends: 154 [2021-08-26 01:39:34,863 INFO L226 Difference]: Without dead ends: 30 [2021-08-26 01:39:34,863 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 17030.3ms TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-08-26 01:39:34,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-08-26 01:39:34,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-08-26 01:39:34,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 states have internal predecessors, (31), 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) [2021-08-26 01:39:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-08-26 01:39:34,865 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 13 [2021-08-26 01:39:34,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:39:34,865 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-08-26 01:39:34,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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) [2021-08-26 01:39:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-08-26 01:39:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 01:39:34,866 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 01:39:34,866 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 01:39:34,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-08-26 01:39:35,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-26 01:39:35,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2021-08-26 01:39:35,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2021-08-26 01:39:35,485 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 01:39:35,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 01:39:35,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2134615830, now seen corresponding path program 1 times [2021-08-26 01:39:35,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 01:39:35,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060674070] [2021-08-26 01:39:35,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:39:35,486 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 01:39:35,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 01:39:35,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 01:39:35,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-08-26 01:39:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:39:37,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-26 01:39:37,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:39:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:39:41,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:39:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:39:45,773 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:39:45,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060674070] [2021-08-26 01:39:45,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060674070] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 01:39:45,774 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:39:45,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-08-26 01:39:45,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177485232] [2021-08-26 01:39:45,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-26 01:39:45,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 01:39:45,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-26 01:39:45,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-08-26 01:39:45,775 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 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) [2021-08-26 01:39:47,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 01:39:47,674 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-08-26 01:39:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 01:39:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 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) Word has length 28 [2021-08-26 01:39:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 01:39:47,676 INFO L225 Difference]: With dead ends: 30 [2021-08-26 01:39:47,676 INFO L226 Difference]: Without dead ends: 0 [2021-08-26 01:39:47,677 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5544.5ms TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-08-26 01:39:47,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-26 01:39:47,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-26 01:39:47,677 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) [2021-08-26 01:39:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-26 01:39:47,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2021-08-26 01:39:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 01:39:47,677 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-26 01:39:47,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 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) [2021-08-26 01:39:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-26 01:39:47,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-26 01:39:47,679 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:39:47,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-08-26 01:39:47,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:39:47,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-26 01:39:47,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:47,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L367(line 367) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L367-2(line 367) no Hoare annotation was computed. [2021-08-26 01:39:49,972 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2021-08-26 01:39:49,973 INFO L853 garLoopResultBuilder]: At program point L37(lines 19 38) the Hoare annotation is: false [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L853 garLoopResultBuilder]: At program point L37-1(lines 19 38) the Hoare annotation is: false [2021-08-26 01:39:49,973 INFO L853 garLoopResultBuilder]: At program point L37-2(lines 19 38) the Hoare annotation is: false [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L853 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2021-08-26 01:39:49,973 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L853 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L853 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 580) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2021-08-26 01:39:49,974 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L860 garLoopResultBuilder]: At program point L582(lines 564 583) the Hoare annotation is: true [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L318(line 318) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L318-2(line 318) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L320(line 320) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L320-2(line 320) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2021-08-26 01:39:49,975 INFO L857 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L853 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2021-08-26 01:39:49,976 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L853 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2021-08-26 01:39:49,977 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L853 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_pow_~y (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) ULTIMATE.start___ieee754_pow_~x))) [2021-08-26 01:39:49,978 INFO L853 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L853 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L407-1(lines 381 474) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2021-08-26 01:39:49,978 INFO L857 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L276-1(lines 263 562) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 206 220) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L853 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2021-08-26 01:39:49,979 INFO L853 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2021-08-26 01:39:49,979 INFO L857 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L21-9(lines 21 25) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L21-10(lines 21 25) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-08-26 01:39:49,980 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26-1(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26-3(lines 26 30) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26-4(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26-6(lines 26 30) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L26-7(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L853 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L853 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L853 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2021-08-26 01:39:49,981 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L359(line 359) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L359-2(line 359) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L853 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L361(line 361) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L361-2(line 361) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-1(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-3(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-4(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-5(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-6(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-7(lines 19 38) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L31-8(lines 31 36) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2021-08-26 01:39:49,982 INFO L857 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L853 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (let ((.cse0 ((_ to_fp 11 53) currentRoundingMode 1.0))) (and (= |ULTIMATE.start___ieee754_pow_#res| .cse0) (= ~one_pow~0 .cse0))) [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2021-08-26 01:39:49,983 INFO L857 garLoopResultBuilder]: For program point L365-2(line 365) no Hoare annotation was computed. [2021-08-26 01:39:49,986 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:39:49,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,995 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,996 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:49,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:39:49 BoogieIcfgContainer [2021-08-26 01:39:49,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:39:49,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:39:49,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:39:49,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:39:49,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 01:36:21" (3/4) ... [2021-08-26 01:39:49,999 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-26 01:39:50,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-26 01:39:50,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-08-26 01:39:50,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:39:50,015 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-26 01:39:50,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) [2021-08-26 01:39:50,062 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 01:39:50,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:39:50,063 INFO L168 Benchmark]: Toolchain (without parser) took 264545.01 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 33.0 MB in the beginning and 40.9 MB in the end (delta: -8.0 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,063 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:39:50,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.38 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.8 MB in the beginning and 42.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 37.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,064 INFO L168 Benchmark]: Boogie Preprocessor took 113.26 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 50.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,064 INFO L168 Benchmark]: RCFGBuilder took 55600.01 ms. Allocated memory is still 71.3 MB. Free memory was 50.5 MB in the beginning and 35.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,064 INFO L168 Benchmark]: TraceAbstraction took 208209.58 ms. Allocated memory is still 71.3 MB. Free memory was 34.6 MB in the beginning and 32.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,064 INFO L168 Benchmark]: Witness Printer took 65.08 ms. Allocated memory is still 71.3 MB. Free memory was 32.1 MB in the beginning and 40.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-26 01:39:50,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.38 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.8 MB in the beginning and 42.5 MB in the end (delta: -9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.78 ms. Allocated memory is still 71.3 MB. Free memory was 42.5 MB in the beginning and 37.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.26 ms. Allocated memory is still 71.3 MB. Free memory was 37.7 MB in the beginning and 50.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 55600.01 ms. Allocated memory is still 71.3 MB. Free memory was 50.5 MB in the beginning and 35.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 208209.58 ms. Allocated memory is still 71.3 MB. Free memory was 34.6 MB in the beginning and 32.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Witness Printer took 65.08 ms. Allocated memory is still 71.3 MB. Free memory was 32.1 MB in the beginning and 40.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 578]: 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 1 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 208104.0ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 25.9ms, AutomataDifference: 129542.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2091.4ms, InitialAbstractionConstructionTime: 16.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 619 SDtfs, 348 SDslu, 973 SDs, 0 SdLazy, 101 SolverSat, 18 SolverUnsat, 46 SolverUnknown, 0 SolverNotchecked, 120127.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 28226.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 57.4ms AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 39 NumberOfFragments, 68 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 114.0ms HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1967.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 159.2ms SsaConstructionTime, 1843.9ms SatisfiabilityAnalysisTime, 27121.1ms InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 31 QuantifiedInterpolants, 814 SizeOfPredicates, 33 NumberOfNonLiveVariables, 616 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2021-08-26 01:39:50,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:50,074 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:50,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:50,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:50,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-08-26 01:39:50,075 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) && (\exists currentRoundingMode : FloatRoundingMode :: y == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-08-26 01:39:50,300 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-08-26 01:39:50,404 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 137 Received shutdown request...