./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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_0870a.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 5e896ed22540a29e5537c02d854edcb8ff819625 ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0870a.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 5e896ed22540a29e5537c02d854edcb8ff819625 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 00:35:45,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 00:35:45,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 00:35:45,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 00:35:45,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 00:35:45,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 00:35:45,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 00:35:45,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 00:35:45,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 00:35:45,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 00:35:45,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 00:35:45,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 00:35:45,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 00:35:45,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 00:35:45,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 00:35:45,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 00:35:45,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 00:35:45,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 00:35:45,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 00:35:45,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 00:35:45,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 00:35:45,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 00:35:45,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 00:35:45,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 00:35:45,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 00:35:45,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 00:35:45,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 00:35:45,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 00:35:45,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 00:35:45,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 00:35:45,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 00:35:45,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 00:35:45,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 00:35:45,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 00:35:45,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 00:35:45,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 00:35:45,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 00:35:45,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 00:35:45,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 00:35:45,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 00:35:45,337 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 00:35:45,338 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 00:35:45,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 00:35:45,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 00:35:45,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 00:35:45,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 00:35:45,380 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 00:35:45,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 00:35:45,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 00:35:45,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 00:35:45,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 00:35:45,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 00:35:45,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 00:35:45,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 00:35:45,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 00:35:45,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 00:35:45,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 00:35:45,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:35:45,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 00:35:45,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 00:35:45,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 00:35:45,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 00:35:45,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 00:35:45,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 00:35:45,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 00:35:45,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e896ed22540a29e5537c02d854edcb8ff819625 [2021-07-05 00:35:45,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 00:35:45,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 00:35:45,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 00:35:45,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 00:35:45,742 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 00:35:45,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-07-05 00:35:45,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d470ff6/3ce1e80aca7b4946a97bb0b4d1110fa0/FLAG36b59842e [2021-07-05 00:35:46,378 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 00:35:46,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-07-05 00:35:46,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d470ff6/3ce1e80aca7b4946a97bb0b4d1110fa0/FLAG36b59842e [2021-07-05 00:35:46,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22d470ff6/3ce1e80aca7b4946a97bb0b4d1110fa0 [2021-07-05 00:35:46,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 00:35:46,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 00:35:46,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 00:35:46,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 00:35:46,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 00:35:46,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:35:46" (1/1) ... [2021-07-05 00:35:46,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@486425e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:46, skipping insertion in model container [2021-07-05 00:35:46,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:35:46" (1/1) ... [2021-07-05 00:35:46,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 00:35:46,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 00:35:47,110 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1720) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-05 00:35:47,121 INFO L168 Benchmark]: Toolchain (without parser) took 300.59 ms. Allocated memory is still 56.6 MB. Free memory was 34.1 MB in the beginning and 38.3 MB in the end (delta: -4.2 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-07-05 00:35:47,122 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:35:47,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.37 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 38.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-07-05 00:35:47,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 56.6 MB. Free memory is still 38.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.37 ms. Allocated memory is still 56.6 MB. Free memory was 33.9 MB in the beginning and 38.3 MB in the end (delta: -4.4 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 00:35:48,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 00:35:48,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 00:35:48,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 00:35:48,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 00:35:48,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 00:35:48,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 00:35:48,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 00:35:48,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 00:35:48,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 00:35:48,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 00:35:48,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 00:35:48,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 00:35:48,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 00:35:48,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 00:35:48,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 00:35:48,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 00:35:48,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 00:35:48,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 00:35:48,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 00:35:48,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 00:35:48,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 00:35:48,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 00:35:48,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 00:35:48,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 00:35:48,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 00:35:48,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 00:35:48,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 00:35:48,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 00:35:48,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 00:35:48,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 00:35:48,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 00:35:48,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 00:35:48,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 00:35:48,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 00:35:48,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 00:35:48,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 00:35:48,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 00:35:48,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 00:35:48,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 00:35:48,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 00:35:48,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-05 00:35:48,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 00:35:48,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 00:35:48,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 00:35:48,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 00:35:48,983 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 00:35:48,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 00:35:48,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-05 00:35:48,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 00:35:48,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 00:35:48,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 00:35:48,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:35:48,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 00:35:48,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 00:35:48,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 00:35:48,986 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-05 00:35:48,986 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-05 00:35:48,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 00:35:48,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 00:35:48,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-05 00:35:48,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e896ed22540a29e5537c02d854edcb8ff819625 [2021-07-05 00:35:49,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 00:35:49,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 00:35:49,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 00:35:49,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 00:35:49,296 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 00:35:49,297 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-07-05 00:35:49,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7807c64a/f7d8741ee81a495d8897dcb7c1b01e61/FLAGae337723a [2021-07-05 00:35:49,953 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 00:35:49,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-07-05 00:35:49,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7807c64a/f7d8741ee81a495d8897dcb7c1b01e61/FLAGae337723a [2021-07-05 00:35:50,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7807c64a/f7d8741ee81a495d8897dcb7c1b01e61 [2021-07-05 00:35:50,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 00:35:50,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 00:35:50,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 00:35:50,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 00:35:50,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 00:35:50,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:50,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7071185e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50, skipping insertion in model container [2021-07-05 00:35:50,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:50,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 00:35:50,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 00:35:50,771 WARN L224 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_0870a.c[13991,14004] [2021-07-05 00:35:50,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:35:50,799 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 00:35:50,946 WARN L224 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_0870a.c[13991,14004] [2021-07-05 00:35:50,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 00:35:50,965 INFO L208 MainTranslator]: Completed translation [2021-07-05 00:35:50,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50 WrapperNode [2021-07-05 00:35:50,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 00:35:50,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 00:35:50,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 00:35:50,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 00:35:50,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:50,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 00:35:51,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 00:35:51,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 00:35:51,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 00:35:51,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 00:35:51,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 00:35:51,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 00:35:51,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 00:35:51,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (1/1) ... [2021-07-05 00:35:51,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 00:35:51,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 00:35:51,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 00:35:51,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 00:35:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-07-05 00:35:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 00:35:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-07-05 00:35:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-07-05 00:35:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-05 00:36:17,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 00:36:17,831 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-07-05 00:36:17,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:36:17 BoogieIcfgContainer [2021-07-05 00:36:17,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 00:36:17,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 00:36:17,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 00:36:17,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 00:36:17,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 12:35:50" (1/3) ... [2021-07-05 00:36:17,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50592186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:36:17, skipping insertion in model container [2021-07-05 00:36:17,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 12:35:50" (2/3) ... [2021-07-05 00:36:17,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50592186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 12:36:17, skipping insertion in model container [2021-07-05 00:36:17,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:36:17" (3/3) ... [2021-07-05 00:36:17,839 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2021-07-05 00:36:17,844 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 00:36:17,845 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-05 00:36:17,889 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 00:36:17,895 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 00:36:17,895 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 00:36:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 198 states have (on average 1.7373737373737375) internal successors, (344), 199 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-05 00:36:17,919 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:36:17,920 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:36:17,920 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:36:17,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:36:17,926 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2021-07-05 00:36:17,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 00:36:17,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891402453] [2021-07-05 00:36:17,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:36:17,940 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 00:36:17,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 00:36:17,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 00:36:17,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-05 00:36:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:36:18,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2021-07-05 00:36:18,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:36:18,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:36:18,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 00:36:18,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:18,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:18,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:19,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:36:19,015 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 00:36:19,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891402453] [2021-07-05 00:36:19,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891402453] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 00:36:19,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:36:19,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-07-05 00:36:19,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131792595] [2021-07-05 00:36:19,036 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 00:36:19,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 00:36:19,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 00:36:19,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 00:36:19,054 INFO L87 Difference]: Start difference. First operand has 200 states, 198 states have (on average 1.7373737373737375) internal successors, (344), 199 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:36:19,094 INFO L93 Difference]: Finished difference Result 397 states and 684 transitions. [2021-07-05 00:36:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 00:36:19,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-07-05 00:36:19,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:36:19,108 INFO L225 Difference]: With dead ends: 397 [2021-07-05 00:36:19,109 INFO L226 Difference]: Without dead ends: 196 [2021-07-05 00:36:19,112 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 00:36:19,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-07-05 00:36:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2021-07-05 00:36:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.3128205128205128) internal successors, (256), 195 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2021-07-05 00:36:19,151 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2021-07-05 00:36:19,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:36:19,151 INFO L442 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2021-07-05 00:36:19,151 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2021-07-05 00:36:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-07-05 00:36:19,152 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:36:19,152 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:36:19,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-07-05 00:36:19,353 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 00:36:19,353 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:36:19,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:36:19,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2021-07-05 00:36:19,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 00:36:19,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113241168] [2021-07-05 00:36:19,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:36:19,355 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 00:36:19,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 00:36:19,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 00:36:19,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-07-05 00:36:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 00:36:20,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-05 00:36:20,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 00:36:20,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,246 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,307 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 00:36:20,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,314 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,317 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,399 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,414 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,418 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-05 00:36:20,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-05 00:36:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:36:20,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:36:20,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:36:20,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-05 00:36:20,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 00:36:20,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:20,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:20,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:20,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-05 00:36:20,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:20,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:20,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 00:36:20,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:36:20,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-05 00:36:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:20,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:36:20,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:36:20,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:36:20,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-05 00:36:20,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:20,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:20,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:21,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:21,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-07-05 00:36:21,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 00:36:21,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:36:21,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-05 00:36:21,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 00:36:21,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,444 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 00:36:21,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 00:36:21,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 00:36:21,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 00:36:21,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,462 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 00:36:21,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-05 00:36:21,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:36:21,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 00:36:21,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 00:36:21,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 00:36:21,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-05 00:36:21,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:21,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 00:36:21,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 00:36:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 00:36:21,825 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-05 00:36:21,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113241168] [2021-07-05 00:36:21,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [113241168] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-05 00:36:21,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-05 00:36:21,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-07-05 00:36:21,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759674279] [2021-07-05 00:36:21,827 INFO L425 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-05 00:36:21,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-05 00:36:21,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-05 00:36:21,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-05 00:36:21,829 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:22,232 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-07-05 00:36:22,442 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-07-05 00:36:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 00:36:22,486 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2021-07-05 00:36:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-05 00:36:22,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-07-05 00:36:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 00:36:22,488 INFO L225 Difference]: With dead ends: 201 [2021-07-05 00:36:22,488 INFO L226 Difference]: Without dead ends: 16 [2021-07-05 00:36:22,489 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1822.7ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-05 00:36:22,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-07-05 00:36:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-07-05 00:36:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-07-05 00:36:22,492 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2021-07-05 00:36:22,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 00:36:22,493 INFO L442 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-07-05 00:36:22,493 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 00:36:22,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-07-05 00:36:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-05 00:36:22,493 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 00:36:22,493 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 00:36:22,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-07-05 00:36:22,701 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 00:36:22,701 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 00:36:22,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 00:36:22,702 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2021-07-05 00:36:22,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-05 00:36:22,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1832983267] [2021-07-05 00:36:22,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 00:36:22,703 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-05 00:36:22,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-05 00:36:22,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-07-05 00:36:22,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-07-05 00:36:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 00:36:24,133 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 00:36:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-05 00:36:25,505 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-05 00:36:25,663 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-07-05 00:36:25,663 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-05 00:36:25,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-07-05 00:36:25,884 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-05 00:36:25,885 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 00:36:25,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 12:36:25 BoogieIcfgContainer [2021-07-05 00:36:25,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 00:36:25,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 00:36:25,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 00:36:25,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 00:36:25,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 12:36:17" (3/4) ... [2021-07-05 00:36:25,998 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-07-05 00:36:26,081 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 00:36:26,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 00:36:26,081 INFO L168 Benchmark]: Toolchain (without parser) took 35693.41 ms. Allocated memory was 56.6 MB in the beginning and 92.3 MB in the end (delta: 35.7 MB). Free memory was 33.8 MB in the beginning and 37.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,082 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 36.8 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:36:26,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.47 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.6 MB in the beginning and 43.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.86 ms. Allocated memory is still 75.5 MB. Free memory was 43.5 MB in the beginning and 39.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,086 INFO L168 Benchmark]: Boogie Preprocessor took 94.09 ms. Allocated memory is still 75.5 MB. Free memory was 39.0 MB in the beginning and 52.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,086 INFO L168 Benchmark]: RCFGBuilder took 26679.71 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 42.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,086 INFO L168 Benchmark]: TraceAbstraction took 8160.57 ms. Allocated memory is still 92.3 MB. Free memory was 41.4 MB in the beginning and 44.7 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 00:36:26,086 INFO L168 Benchmark]: Witness Printer took 85.51 ms. Allocated memory is still 92.3 MB. Free memory was 44.7 MB in the beginning and 37.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-07-05 00:36:26,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 36.8 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 575.47 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 33.6 MB in the beginning and 43.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.86 ms. Allocated memory is still 75.5 MB. Free memory was 43.5 MB in the beginning and 39.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 94.09 ms. Allocated memory is still 75.5 MB. Free memory was 39.0 MB in the beginning and 52.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 26679.71 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 52.2 MB in the beginning and 42.0 MB in the end (delta: 10.2 MB). Peak memory consumption was 29.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8160.57 ms. Allocated memory is still 92.3 MB. Free memory was 41.4 MB in the beginning and 44.7 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 85.51 ms. Allocated memory is still 92.3 MB. Free memory was 44.7 MB in the beginning and 37.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 609]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L109] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L267-L295] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; VAL [bp_pow={-1073741819:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L600] float x = __VERIFIER_nondet_float(); [L601] float y = 0.0f / 0.0f; VAL [bp_pow={-1073741819:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L603] COND TRUE x != 1.0f [L298] float z, ax, z_h, z_l, p_h, p_l; [L299] float y1, t1, t2, r, s, t, u, v, w; [L300] __int32_t i, j, k, yisint, n; [L301] __int32_t hx, hy, ix, iy, is; VAL [bp_pow={-1073741819:0}, cp=0.9617967009544373, cp=0.9617919921875, cp=0.000004701738362200558, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L304] ieee_float_shape_type gf_u; [L305] gf_u.value = (x) [L306] EXPR gf_u.word [L306] (hx) = gf_u.word [L309] ieee_float_shape_type gf_u; [L310] gf_u.value = (y) [L311] EXPR gf_u.word [L311] (hy) = gf_u.word [L313] ix = hx & 0x7fffffff [L314] iy = hy & 0x7fffffff VAL [bp_pow={-1073741819:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L316] COND FALSE !(((iy) == 0)) VAL [bp_pow={-1073741819:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L319] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={-1073741819:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L320] COND TRUE ix == 0x3f800000 [L321] return one_pow; VAL [bp_pow={-1073741819:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L605] float res = __ieee754_powf(x, y); [L589] return x != x; VAL [bp_pow={-1073741819:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] [L608] COND TRUE !isnan_float(res) [L609] reach_error() VAL [bp_pow={-1073741819:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={5:0}, dp_l_pow={2:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={1073741829:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8000.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 12.4ms, AutomataDifference: 736.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 272 SDtfs, 61 SDslu, 17 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 133.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1822.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 30.2ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 93.2ms SsaConstructionTime, 2777.8ms SatisfiabilityAnalysisTime, 1867.8ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 191 SizeOfPredicates, 9 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-07-05 00:36:26,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...