./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0874.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/float_req_bl_0874.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 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:54:16,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:54:16,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:54:16,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:54:16,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:54:16,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:54:16,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:54:16,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:54:16,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:54:16,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:54:16,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:54:16,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:54:16,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:54:16,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:54:16,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:54:16,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:54:16,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:54:16,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:54:16,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:54:16,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:54:16,447 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:54:16,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:54:16,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:54:16,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:54:16,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:54:16,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:54:16,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:54:16,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:54:16,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:54:16,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:54:16,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:54:16,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:54:16,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:54:16,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:54:16,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:54:16,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:54:16,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:54:16,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:54:16,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:54:16,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:54:16,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:54:16,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:54:16,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:54:16,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:54:16,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:54:16,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:54:16,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:54:16,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:54:16,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:54:16,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:54:16,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:54:16,507 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:54:16,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:54:16,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:54:16,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:54:16,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:54:16,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:54:16,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:54:16,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:54:16,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:54:16,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:54:16,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:54:16,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:54:16,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:54:16,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:54:16,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:54:16,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:54:16,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:54:16,511 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:54:16,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:54:16,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:54:16,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac [2022-07-21 01:54:16,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:54:16,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:54:16,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:54:16,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:54:16,835 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:54:16,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2022-07-21 01:54:16,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61613d8d6/d83ecfe6f9f74a5b8ef805ce9487a4e0/FLAGe7a8d13fc [2022-07-21 01:54:17,334 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:54:17,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2022-07-21 01:54:17,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61613d8d6/d83ecfe6f9f74a5b8ef805ce9487a4e0/FLAGe7a8d13fc [2022-07-21 01:54:17,364 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61613d8d6/d83ecfe6f9f74a5b8ef805ce9487a4e0 [2022-07-21 01:54:17,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:54:17,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:54:17,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:54:17,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:54:17,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:54:17,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:54:17" (1/1) ... [2022-07-21 01:54:17,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9afdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:17, skipping insertion in model container [2022-07-21 01:54:17,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:54:17" (1/1) ... [2022-07-21 01:54:17,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:54:17,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:54:17,673 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:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2039) 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:1650) 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 01:54:17,684 INFO L158 Benchmark]: Toolchain (without parser) took 314.78ms. Allocated memory is still 62.9MB. Free memory was 37.6MB in the beginning and 44.5MB in the end (delta: -7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 01:54:17,685 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 41.9MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:54:17,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.70ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 44.5MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-21 01:54:17,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 41.9MB. Free memory was 23.4MB in the beginning and 23.4MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.70ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 44.5MB in the end (delta: -7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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:837) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0874.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 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:54:19,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:54:19,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:54:19,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:54:19,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:54:19,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:54:19,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:54:19,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:54:19,322 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:54:19,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:54:19,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:54:19,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:54:19,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:54:19,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:54:19,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:54:19,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:54:19,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:54:19,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:54:19,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:54:19,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:54:19,345 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:54:19,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:54:19,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:54:19,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:54:19,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:54:19,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:54:19,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:54:19,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:54:19,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:54:19,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:54:19,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:54:19,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:54:19,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:54:19,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:54:19,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:54:19,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:54:19,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:54:19,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:54:19,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:54:19,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:54:19,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:54:19,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:54:19,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:54:19,393 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:54:19,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:54:19,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:54:19,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:54:19,394 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:54:19,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:54:19,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:54:19,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:54:19,395 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:54:19,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:54:19,396 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:54:19,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:54:19,397 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:54:19,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:54:19,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:54:19,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:54:19,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:54:19,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:54:19,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac [2022-07-21 01:54:19,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:54:19,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:54:19,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:54:19,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:54:19,719 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:54:19,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2022-07-21 01:54:19,791 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f813c922c/d5f083b896c040c9aef5c1053ba7ab4c/FLAGab07d31e2 [2022-07-21 01:54:20,136 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:54:20,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2022-07-21 01:54:20,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f813c922c/d5f083b896c040c9aef5c1053ba7ab4c/FLAGab07d31e2 [2022-07-21 01:54:20,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f813c922c/d5f083b896c040c9aef5c1053ba7ab4c [2022-07-21 01:54:20,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:54:20,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:54:20,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:54:20,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:54:20,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:54:20,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2629db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20, skipping insertion in model container [2022-07-21 01:54:20,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:54:20,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:54:20,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0874.c[14102,14115] [2022-07-21 01:54:20,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:54:20,489 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:54:20,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0874.c[14102,14115] [2022-07-21 01:54:20,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:54:20,578 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:54:20,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20 WrapperNode [2022-07-21 01:54:20,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:54:20,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:54:20,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:54:20,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:54:20,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,662 INFO L137 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 735 [2022-07-21 01:54:20,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:54:20,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:54:20,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:54:20,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:54:20,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:54:20,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:54:20,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:54:20,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:54:20,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (1/1) ... [2022-07-21 01:54:20,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:54:20,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:54:20,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 01:54:20,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 01:54:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:54:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 01:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-07-21 01:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-07-21 01:54:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-07-21 01:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 01:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-07-21 01:54:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-07-21 01:54:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-07-21 01:54:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-07-21 01:54:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:54:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:54:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 01:54:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 01:54:21,005 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:54:21,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:54:44,591 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:54:44,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:54:44,597 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2022-07-21 01:54:44,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:54:44 BoogieIcfgContainer [2022-07-21 01:54:44,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:54:44,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:54:44,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:54:44,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:54:44,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:54:20" (1/3) ... [2022-07-21 01:54:44,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7db166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:54:44, skipping insertion in model container [2022-07-21 01:54:44,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:54:20" (2/3) ... [2022-07-21 01:54:44,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7db166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:54:44, skipping insertion in model container [2022-07-21 01:54:44,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:54:44" (3/3) ... [2022-07-21 01:54:44,608 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0874.c [2022-07-21 01:54:44,619 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:54:44,619 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:54:44,664 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:54:44,669 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@31bd7bcb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@13da1a50 [2022-07-21 01:54:44,670 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:54:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 199 states, 190 states have (on average 1.7157894736842105) internal successors, (326), 191 states have internal predecessors, (326), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:54:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 01:54:44,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:44,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:54:44,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:44,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:44,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2090504015, now seen corresponding path program 1 times [2022-07-21 01:54:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:44,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524963838] [2022-07-21 01:54:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:44,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:44,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:44,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:54:44,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:54:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:45,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:54:45,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:45,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:45,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:45,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1524963838] [2022-07-21 01:54:45,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1524963838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:45,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:45,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:54:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058830677] [2022-07-21 01:54:45,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:45,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:54:45,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:45,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:54:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:54:45,583 INFO L87 Difference]: Start difference. First operand has 199 states, 190 states have (on average 1.7157894736842105) internal successors, (326), 191 states have internal predecessors, (326), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:45,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:45,616 INFO L93 Difference]: Finished difference Result 395 states and 673 transitions. [2022-07-21 01:54:45,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:54:45,618 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-07-21 01:54:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:45,624 INFO L225 Difference]: With dead ends: 395 [2022-07-21 01:54:45,624 INFO L226 Difference]: Without dead ends: 195 [2022-07-21 01:54:45,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:54:45,629 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:45,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 01:54:45,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-21 01:54:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-21 01:54:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.3262032085561497) internal successors, (248), 187 states have internal predecessors, (248), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:54:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 258 transitions. [2022-07-21 01:54:45,663 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 258 transitions. Word has length 20 [2022-07-21 01:54:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:45,664 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 258 transitions. [2022-07-21 01:54:45,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2022-07-21 01:54:45,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 01:54:45,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:45,666 INFO L195 NwaCegarLoop]: 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] [2022-07-21 01:54:45,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 01:54:45,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:45,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:45,880 INFO L85 PathProgramCache]: Analyzing trace with hash -85606773, now seen corresponding path program 1 times [2022-07-21 01:54:45,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:45,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279405550] [2022-07-21 01:54:45,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:45,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:45,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:54:45,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 01:54:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:46,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:54:46,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:47,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:47,312 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:47,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279405550] [2022-07-21 01:54:47,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279405550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:47,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:47,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:54:47,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550084080] [2022-07-21 01:54:47,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:47,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:54:47,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:47,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:54:47,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:54:47,315 INFO L87 Difference]: Start difference. First operand 195 states and 258 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:47,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:47,333 INFO L93 Difference]: Finished difference Result 203 states and 265 transitions. [2022-07-21 01:54:47,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:54:47,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-21 01:54:47,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:47,334 INFO L225 Difference]: With dead ends: 203 [2022-07-21 01:54:47,335 INFO L226 Difference]: Without dead ends: 195 [2022-07-21 01:54:47,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:54:47,336 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 0 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:47,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1226 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 38 Unchecked, 0.0s Time] [2022-07-21 01:54:47,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-07-21 01:54:47,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2022-07-21 01:54:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.320855614973262) internal successors, (247), 187 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:54:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 257 transitions. [2022-07-21 01:54:47,356 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 257 transitions. Word has length 25 [2022-07-21 01:54:47,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:47,357 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 257 transitions. [2022-07-21 01:54:47,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:47,357 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 257 transitions. [2022-07-21 01:54:47,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-21 01:54:47,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:47,358 INFO L195 NwaCegarLoop]: 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] [2022-07-21 01:54:47,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-21 01:54:47,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:47,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:47,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:47,576 INFO L85 PathProgramCache]: Analyzing trace with hash 727300614, now seen corresponding path program 1 times [2022-07-21 01:54:47,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:47,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272676692] [2022-07-21 01:54:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:47,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:47,578 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) [2022-07-21 01:54:47,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 01:54:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:48,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 01:54:48,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:49,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:49,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:49,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272676692] [2022-07-21 01:54:49,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272676692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:49,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:49,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 01:54:49,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292642021] [2022-07-21 01:54:49,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:49,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 01:54:49,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:49,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 01:54:49,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:54:49,244 INFO L87 Difference]: Start difference. First operand 195 states and 257 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:52,470 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:54:52,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:54:52,603 INFO L93 Difference]: Finished difference Result 211 states and 271 transitions. [2022-07-21 01:54:52,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 01:54:52,605 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-21 01:54:52,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:54:52,606 INFO L225 Difference]: With dead ends: 211 [2022-07-21 01:54:52,606 INFO L226 Difference]: Without dead ends: 203 [2022-07-21 01:54:52,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 01:54:52,607 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 8 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 01:54:52,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1438 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 42 Unchecked, 3.3s Time] [2022-07-21 01:54:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-07-21 01:54:52,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 195. [2022-07-21 01:54:52,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.3155080213903743) internal successors, (246), 187 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:54:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 256 transitions. [2022-07-21 01:54:52,619 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 256 transitions. Word has length 27 [2022-07-21 01:54:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:54:52,621 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 256 transitions. [2022-07-21 01:54:52,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:54:52,622 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2022-07-21 01:54:52,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-07-21 01:54:52,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:54:52,623 INFO L195 NwaCegarLoop]: 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] [2022-07-21 01:54:52,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 01:54:52,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:54:52,826 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:54:52,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:54:52,827 INFO L85 PathProgramCache]: Analyzing trace with hash -82046012, now seen corresponding path program 1 times [2022-07-21 01:54:52,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:54:52,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [685858709] [2022-07-21 01:54:52,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:54:52,827 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:54:52,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:54:52,836 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) [2022-07-21 01:54:52,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 01:54:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:54:53,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-21 01:54:53,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:54:53,952 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-21 01:54:54,527 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-21 01:54:54,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-21 01:54:56,182 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-07-21 01:54:56,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 35 [2022-07-21 01:54:56,817 INFO L390 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 35 treesize of output 19 [2022-07-21 01:54:57,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:54:57,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:54:57,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:54:57,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [685858709] [2022-07-21 01:54:57,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [685858709] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:54:57,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:54:57,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 01:54:57,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456076000] [2022-07-21 01:54:57,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:54:57,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 01:54:57,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:54:57,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 01:54:57,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-21 01:54:57,771 INFO L87 Difference]: Start difference. First operand 195 states and 256 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:01,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:04,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:07,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:09,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:12,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:14,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:17,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:19,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:21,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:23,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:25,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:28,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-21 01:55:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:30,759 INFO L93 Difference]: Finished difference Result 203 states and 263 transitions. [2022-07-21 01:55:30,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 01:55:30,771 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-07-21 01:55:30,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:30,772 INFO L225 Difference]: With dead ends: 203 [2022-07-21 01:55:30,772 INFO L226 Difference]: Without dead ends: 194 [2022-07-21 01:55:30,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-21 01:55:30,773 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 2 mSDsluCounter, 1868 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 285 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:30,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2111 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 9 Unknown, 285 Unchecked, 32.7s Time] [2022-07-21 01:55:30,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-07-21 01:55:30,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2022-07-21 01:55:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 186 states have (on average 1.3118279569892473) internal successors, (244), 186 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-07-21 01:55:30,783 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 27 [2022-07-21 01:55:30,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:30,783 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-07-21 01:55:30,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-07-21 01:55:30,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 01:55:30,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:30,784 INFO L195 NwaCegarLoop]: 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, 1] [2022-07-21 01:55:30,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 01:55:31,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:31,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:31,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:31,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2001119024, now seen corresponding path program 1 times [2022-07-21 01:55:31,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:31,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975298688] [2022-07-21 01:55:31,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:31,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:31,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:31,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:31,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 01:55:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:31,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-21 01:55:31,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:31,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-21 01:55:32,331 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-21 01:55:32,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-21 01:55:33,848 INFO L390 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 17 [2022-07-21 01:55:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:36,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:36,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:36,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975298688] [2022-07-21 01:55:36,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975298688] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:36,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:36,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 01:55:36,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918485255] [2022-07-21 01:55:36,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:36,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 01:55:36,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:36,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 01:55:36,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:55:36,138 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:36,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:36,558 INFO L93 Difference]: Finished difference Result 242 states and 319 transitions. [2022-07-21 01:55:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 01:55:36,558 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-21 01:55:36,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:36,561 INFO L225 Difference]: With dead ends: 242 [2022-07-21 01:55:36,561 INFO L226 Difference]: Without dead ends: 234 [2022-07-21 01:55:36,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-21 01:55:36,563 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 57 mSDsluCounter, 1911 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 2153 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 276 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:36,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 2153 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 276 Unchecked, 0.0s Time] [2022-07-21 01:55:36,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2022-07-21 01:55:36,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 196. [2022-07-21 01:55:36,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3138297872340425) internal successors, (247), 188 states have internal predecessors, (247), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2022-07-21 01:55:36,582 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 29 [2022-07-21 01:55:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:36,583 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2022-07-21 01:55:36,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2022-07-21 01:55:36,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 01:55:36,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:36,585 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-21 01:55:36,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 01:55:36,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:36,804 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:36,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:36,807 INFO L85 PathProgramCache]: Analyzing trace with hash -425950886, now seen corresponding path program 1 times [2022-07-21 01:55:36,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:36,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55675132] [2022-07-21 01:55:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:36,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:36,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:36,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:36,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 01:55:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:37,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:55:37,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:38,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:38,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:38,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55675132] [2022-07-21 01:55:38,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55675132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:38,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:38,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:55:38,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502133267] [2022-07-21 01:55:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:38,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:55:38,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:55:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:38,528 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:38,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:38,533 INFO L93 Difference]: Finished difference Result 368 states and 479 transitions. [2022-07-21 01:55:38,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:55:38,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-21 01:55:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:38,534 INFO L225 Difference]: With dead ends: 368 [2022-07-21 01:55:38,534 INFO L226 Difference]: Without dead ends: 196 [2022-07-21 01:55:38,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:38,535 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 1 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:38,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1194 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-07-21 01:55:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-21 01:55:38,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2022-07-21 01:55:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 188 states have (on average 1.3085106382978724) internal successors, (246), 188 states have internal predecessors, (246), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2022-07-21 01:55:38,540 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 30 [2022-07-21 01:55:38,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:38,540 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2022-07-21 01:55:38,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2022-07-21 01:55:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 01:55:38,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:38,541 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-21 01:55:38,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:38,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:38,754 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:38,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:38,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1680752917, now seen corresponding path program 1 times [2022-07-21 01:55:38,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:38,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212655361] [2022-07-21 01:55:38,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:38,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:38,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:38,763 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) [2022-07-21 01:55:38,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 01:55:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:39,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 01:55:39,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:39,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-21 01:55:40,129 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-21 01:55:40,129 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-21 01:55:41,619 INFO L390 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 17 [2022-07-21 01:55:43,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:43,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:43,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:43,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212655361] [2022-07-21 01:55:43,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212655361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:43,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:43,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 01:55:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126225462] [2022-07-21 01:55:43,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:43,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 01:55:43,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:43,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 01:55:43,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:55:43,562 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:43,916 INFO L93 Difference]: Finished difference Result 212 states and 270 transitions. [2022-07-21 01:55:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 01:55:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-07-21 01:55:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:43,917 INFO L225 Difference]: With dead ends: 212 [2022-07-21 01:55:43,917 INFO L226 Difference]: Without dead ends: 204 [2022-07-21 01:55:43,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:55:43,919 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 61 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 245 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:43,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1892 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 245 Unchecked, 0.0s Time] [2022-07-21 01:55:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-07-21 01:55:43,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 195. [2022-07-21 01:55:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.304812834224599) internal successors, (244), 187 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2022-07-21 01:55:43,926 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 30 [2022-07-21 01:55:43,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:43,926 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2022-07-21 01:55:43,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2022-07-21 01:55:43,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-21 01:55:43,929 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:43,929 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-07-21 01:55:43,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:44,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:44,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:44,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:44,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2042929589, now seen corresponding path program 1 times [2022-07-21 01:55:44,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:44,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948743404] [2022-07-21 01:55:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:44,156 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:44,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:44,158 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:44,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 01:55:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:45,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:55:45,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:45,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:45,908 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:45,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948743404] [2022-07-21 01:55:45,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948743404] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:45,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:45,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:55:45,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818924289] [2022-07-21 01:55:45,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:45,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:55:45,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:45,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:55:45,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:45,909 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:45,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:45,917 INFO L93 Difference]: Finished difference Result 368 states and 478 transitions. [2022-07-21 01:55:45,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:55:45,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-07-21 01:55:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:45,918 INFO L225 Difference]: With dead ends: 368 [2022-07-21 01:55:45,918 INFO L226 Difference]: Without dead ends: 196 [2022-07-21 01:55:45,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:45,922 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 37 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:45,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1189 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 37 Unchecked, 0.0s Time] [2022-07-21 01:55:45,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-21 01:55:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2022-07-21 01:55:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.304812834224599) internal successors, (244), 187 states have internal predecessors, (244), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2022-07-21 01:55:45,928 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 31 [2022-07-21 01:55:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:45,930 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2022-07-21 01:55:45,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2022-07-21 01:55:45,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 01:55:45,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:45,931 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-21 01:55:45,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:46,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:46,159 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:46,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:46,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1447467385, now seen corresponding path program 1 times [2022-07-21 01:55:46,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:46,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394160282] [2022-07-21 01:55:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:46,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:46,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:46,162 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:46,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 01:55:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:46,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 01:55:46,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:48,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:48,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:48,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394160282] [2022-07-21 01:55:48,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394160282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:48,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:48,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 01:55:48,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617591248] [2022-07-21 01:55:48,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:48,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 01:55:48,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:48,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 01:55:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:55:48,644 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:48,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:48,872 INFO L93 Difference]: Finished difference Result 213 states and 270 transitions. [2022-07-21 01:55:48,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 01:55:48,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 01:55:48,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:48,888 INFO L225 Difference]: With dead ends: 213 [2022-07-21 01:55:48,888 INFO L226 Difference]: Without dead ends: 204 [2022-07-21 01:55:48,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:55:48,889 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 134 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 2076 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 48 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:48,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 2076 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 48 Unchecked, 0.1s Time] [2022-07-21 01:55:48,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-07-21 01:55:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 195. [2022-07-21 01:55:48,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 187 states have (on average 1.2994652406417113) internal successors, (243), 187 states have internal predecessors, (243), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 253 transitions. [2022-07-21 01:55:48,895 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 253 transitions. Word has length 32 [2022-07-21 01:55:48,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:48,896 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 253 transitions. [2022-07-21 01:55:48,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 253 transitions. [2022-07-21 01:55:48,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 01:55:48,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:48,898 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-21 01:55:48,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:49,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:49,104 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:49,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:49,104 INFO L85 PathProgramCache]: Analyzing trace with hash -767409015, now seen corresponding path program 1 times [2022-07-21 01:55:49,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:49,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119814496] [2022-07-21 01:55:49,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:49,104 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:49,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:49,106 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:49,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 01:55:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:49,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 01:55:49,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:50,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:50,521 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:50,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119814496] [2022-07-21 01:55:50,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [119814496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:50,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:50,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:55:50,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209618] [2022-07-21 01:55:50,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:50,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:55:50,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:50,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:55:50,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:55:50,523 INFO L87 Difference]: Start difference. First operand 195 states and 253 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:50,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:50,527 INFO L93 Difference]: Finished difference Result 203 states and 260 transitions. [2022-07-21 01:55:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 01:55:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 01:55:50,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:50,528 INFO L225 Difference]: With dead ends: 203 [2022-07-21 01:55:50,528 INFO L226 Difference]: Without dead ends: 193 [2022-07-21 01:55:50,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:55:50,529 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 11 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:50,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 932 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 19 Unchecked, 0.0s Time] [2022-07-21 01:55:50,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-07-21 01:55:50,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-07-21 01:55:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 185 states have (on average 1.2972972972972974) internal successors, (240), 185 states have internal predecessors, (240), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 250 transitions. [2022-07-21 01:55:50,542 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 250 transitions. Word has length 32 [2022-07-21 01:55:50,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:50,542 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 250 transitions. [2022-07-21 01:55:50,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 250 transitions. [2022-07-21 01:55:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 01:55:50,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:50,543 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-21 01:55:50,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:50,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:50,759 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:50,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash 902951312, now seen corresponding path program 1 times [2022-07-21 01:55:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:50,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785039229] [2022-07-21 01:55:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:50,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:50,761 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:50,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 01:55:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:51,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 01:55:51,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:52,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:52,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:52,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785039229] [2022-07-21 01:55:52,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785039229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:52,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:52,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 01:55:52,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833082657] [2022-07-21 01:55:52,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:52,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 01:55:52,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:52,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 01:55:52,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:55:52,151 INFO L87 Difference]: Start difference. First operand 193 states and 250 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:52,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:52,155 INFO L93 Difference]: Finished difference Result 202 states and 258 transitions. [2022-07-21 01:55:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 01:55:52,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 01:55:52,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:52,156 INFO L225 Difference]: With dead ends: 202 [2022-07-21 01:55:52,156 INFO L226 Difference]: Without dead ends: 193 [2022-07-21 01:55:52,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 01:55:52,157 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 10 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:52,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 929 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-07-21 01:55:52,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-07-21 01:55:52,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2022-07-21 01:55:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 185 states have (on average 1.2918918918918918) internal successors, (239), 185 states have internal predecessors, (239), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2022-07-21 01:55:52,161 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 32 [2022-07-21 01:55:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:52,162 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2022-07-21 01:55:52,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2022-07-21 01:55:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 01:55:52,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:52,162 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-21 01:55:52,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-21 01:55:52,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:52,363 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:52,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1583009682, now seen corresponding path program 1 times [2022-07-21 01:55:52,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:52,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [833285375] [2022-07-21 01:55:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:52,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:52,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:52,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 01:55:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:53,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 01:55:53,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:53,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-21 01:55:53,775 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-07-21 01:55:53,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 30 [2022-07-21 01:55:55,253 INFO L390 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 17 [2022-07-21 01:55:57,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:57,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:57,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:57,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [833285375] [2022-07-21 01:55:57,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [833285375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:57,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:57,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 01:55:57,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390574100] [2022-07-21 01:55:57,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:57,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 01:55:57,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:57,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 01:55:57,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 01:55:57,253 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:57,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:57,750 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-07-21 01:55:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 01:55:57,750 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 01:55:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:57,751 INFO L225 Difference]: With dead ends: 209 [2022-07-21 01:55:57,752 INFO L226 Difference]: Without dead ends: 196 [2022-07-21 01:55:57,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 01:55:57,753 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 62 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 243 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:57,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1822 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 243 Unchecked, 0.0s Time] [2022-07-21 01:55:57,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-07-21 01:55:57,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 188. [2022-07-21 01:55:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 180 states have (on average 1.2833333333333334) internal successors, (231), 180 states have internal predecessors, (231), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-07-21 01:55:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 241 transitions. [2022-07-21 01:55:57,758 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 241 transitions. Word has length 32 [2022-07-21 01:55:57,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:57,759 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 241 transitions. [2022-07-21 01:55:57,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 9 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 241 transitions. [2022-07-21 01:55:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 01:55:57,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:55:57,759 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-21 01:55:57,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 01:55:57,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:55:57,977 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:55:57,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:55:57,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2094018898, now seen corresponding path program 1 times [2022-07-21 01:55:57,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:55:57,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284693808] [2022-07-21 01:55:57,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:55:57,978 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:55:57,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:55:57,979 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 01:55:57,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 01:55:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:55:59,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-21 01:55:59,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:55:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:55:59,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:55:59,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:55:59,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284693808] [2022-07-21 01:55:59,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284693808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:55:59,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:55:59,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 01:55:59,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474425532] [2022-07-21 01:55:59,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:55:59,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 01:55:59,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:55:59,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 01:55:59,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:59,815 INFO L87 Difference]: Start difference. First operand 188 states and 241 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:55:59,817 INFO L93 Difference]: Finished difference Result 196 states and 248 transitions. [2022-07-21 01:55:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 01:55:59,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 01:55:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:55:59,818 INFO L225 Difference]: With dead ends: 196 [2022-07-21 01:55:59,818 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 01:55:59,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 01:55:59,818 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 01:55:59,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-07-21 01:55:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 01:55:59,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 01:55:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 01:55:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 01:55:59,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-07-21 01:55:59,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:55:59,819 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 01:55:59,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 01:55:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 01:55:59,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 01:55:59,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:55:59,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-21 01:56:00,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:56:00,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 01:56:01,074 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 252 265) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L895 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 252 265) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 252 265) the Hoare annotation is: true [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2022-07-21 01:56:01,075 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L902 garLoopResultBuilder]: At program point copysign_floatENTRY(lines 177 195) the Hoare annotation is: true [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L902 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L895 garLoopResultBuilder]: At program point L597(lines 589 598) the Hoare annotation is: (= |ULTIMATE.start_isinf_float_#res#1| (_ bv1 32)) [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L895 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L895 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2022-07-21 01:56:01,076 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L895 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (exists ((v_arrayElimCell_1 (_ BitVec 32)) (|v_fabs_float_~#sf_u~6.base_7| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_fabs_float_~#sf_u~6.base_7|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_arrayElimCell_1) .cse0) (fp.lt (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ((_ to_fp 8 24) currentRoundingMode (_ bv1 32))) (= |ULTIMATE.start___ieee754_powf_~x#1| (fp ((_ extract 31 31) v_arrayElimCell_1) ((_ extract 30 23) v_arrayElimCell_1) ((_ extract 22 0) v_arrayElimCell_1))) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L895 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L895 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2022-07-21 01:56:01,077 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2022-07-21 01:56:01,077 INFO L895 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2022-07-21 01:56:01,077 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L895 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L895 garLoopResultBuilder]: At program point L175(lines 111 176) the Hoare annotation is: false [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L895 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L343(line 343) no Hoare annotation was computed. [2022-07-21 01:56:01,078 INFO L899 garLoopResultBuilder]: For program point L343-2(line 343) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L895 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L378-2(line 378) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2022-07-21 01:56:01,079 INFO L895 garLoopResultBuilder]: At program point L611(line 611) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~y~0#1|)) [2022-07-21 01:56:01,079 INFO L899 garLoopResultBuilder]: For program point L611-1(lines 611 620) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L611-3(lines 611 620) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L895 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L895 garLoopResultBuilder]: At program point L250(lines 201 251) the Hoare annotation is: false [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2022-07-21 01:56:01,080 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2022-07-21 01:56:01,080 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L616(lines 616 619) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L617(line 617) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L353-2(lines 353 356) the Hoare annotation is: false [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L585(lines 297 586) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_#res#1| (fp.neg (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))))) [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2022-07-21 01:56:01,081 INFO L895 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2022-07-21 01:56:01,081 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L902 garLoopResultBuilder]: At program point L622(lines 600 623) the Hoare annotation is: true [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L358(line 358) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2022-07-21 01:56:01,082 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 595) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L895 garLoopResultBuilder]: At program point L591-2(lines 591 595) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= (fp.neg (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) |ULTIMATE.start_isinf_float_~x#1|)) [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L591-3(lines 591 595) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2022-07-21 01:56:01,083 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-07-21 01:56:01,096 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-07-21 01:56:01,096 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,096 INFO L899 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-07-21 01:56:01,096 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2022-07-21 01:56:01,096 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 01:56:01,097 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2022-07-21 01:56:01,098 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2022-07-21 01:56:01,099 INFO L899 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2022-07-21 01:56:01,099 INFO L895 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2022-07-21 01:56:01,099 INFO L899 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2022-07-21 01:56:01,099 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2022-07-21 01:56:01,099 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2022-07-21 01:56:01,101 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 01:56:01,103 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:56:01,116 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,117 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,118 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,145 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:56:01 BoogieIcfgContainer [2022-07-21 01:56:01,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:56:01,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:56:01,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:56:01,146 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:56:01,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:54:44" (3/4) ... [2022-07-21 01:56:01,149 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 01:56:01,153 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-07-21 01:56:01,153 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2022-07-21 01:56:01,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-21 01:56:01,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-07-21 01:56:01,162 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 01:56:01,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 01:56:01,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2022-07-21 01:56:01,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists v_arrayElimCell_1 : bv32, v_fabs_float_~#sf_u~6.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: ((~bvand32(2147483647bv32, v_arrayElimCell_1) == unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32] && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1bv32))) && x == ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0])) && y == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) [2022-07-21 01:56:01,214 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 01:56:01,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:56:01,216 INFO L158 Benchmark]: Toolchain (without parser) took 101054.33ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 21.7MB in the end (delta: 13.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,216 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:56:01,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.11ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 27.8MB in the end (delta: 6.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 50.5MB in the end (delta: -22.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,216 INFO L158 Benchmark]: Boogie Preprocessor took 80.22ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 45.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,218 INFO L158 Benchmark]: RCFGBuilder took 23851.33ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 35.4MB in the end (delta: 10.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,220 INFO L158 Benchmark]: TraceAbstraction took 76541.96ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 27.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,220 INFO L158 Benchmark]: Witness Printer took 68.72ms. Allocated memory is still 69.2MB. Free memory was 26.9MB in the beginning and 21.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 01:56:01,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.11ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 27.8MB in the end (delta: 6.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 50.5MB in the end (delta: -22.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.22ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 45.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 23851.33ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 35.4MB in the end (delta: 10.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 76541.96ms. Allocated memory is still 69.2MB. Free memory was 35.1MB in the beginning and 27.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Witness Printer took 68.72ms. Allocated memory is still 69.2MB. Free memory was 26.9MB in the beginning and 21.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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] - 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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,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[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 617]: 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 3 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 38.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 348 SdHoareTripleChecker+Valid, 36.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 347 mSDsluCounter, 17294 SdHoareTripleChecker+Invalid, 34.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1293 IncrementalHoareTripleChecker+Unchecked, 14329 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2965 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=0, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 73 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 65 PreInvPairs, 71 NumberOfFragments, 119 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 150 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 9.4s SatisfiabilityAnalysisTime, 23.7s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 366 ConstructedInterpolants, 165 QuantifiedInterpolants, 4415 SizeOfPredicates, 104 NumberOfNonLiveVariables, 2282 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2022-07-21 01:56:01,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,243 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,244 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.neg~FLOAT(~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: \result == 1bv32 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant [2022-07-21 01:56:01,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,246 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.neg~FLOAT(~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) == x) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2022-07-21 01:56:01,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,247 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,248 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,254 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fabs_float_~#sf_u~6.base_7,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_1,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-07-21 01:56:01,255 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists v_arrayElimCell_1 : bv32, v_fabs_float_~#sf_u~6.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: ((~bvand32(2147483647bv32, v_arrayElimCell_1) == unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32] && ~fp.lt~FLOAT(~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][31:31], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][30:23], unknown-#memory_int-unknown[v_fabs_float_~#sf_u~6.base_7][0bv32][22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1bv32))) && x == ~fp~LONGDOUBLE(v_arrayElimCell_1[31:31], v_arrayElimCell_1[30:23], v_arrayElimCell_1[22:0])) && y == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-07-21 01:56:01,487 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 [2022-07-21 01:56:01,523 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE