/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b9f3642eacda74f899916c40cd5d64e7b2da232 ......................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3b9f3642eacda74f899916c40cd5d64e7b2da232 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 14:46:49,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:46:49,513 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:46:49,532 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:46:49,533 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:46:49,534 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:46:49,535 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:46:49,537 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:46:49,538 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:46:49,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:46:49,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:46:49,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:46:49,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:46:49,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:46:49,544 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:46:49,544 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:46:49,545 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:46:49,547 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:46:49,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:46:49,551 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:46:49,552 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:46:49,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:46:49,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:46:49,556 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:46:49,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:46:49,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:46:49,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:46:49,560 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:46:49,561 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:46:49,562 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:46:49,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:46:49,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:46:49,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:46:49,563 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:46:49,565 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:46:49,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:46:49,566 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:46:49,597 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:46:49,599 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:46:49,600 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:46:49,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:46:49,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:46:49,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:46:49,604 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:46:49,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:46:49,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:46:49,605 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:46:49,605 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:46:49,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:46:49,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:46:49,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:46:49,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:46:49,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:46:49,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:46:49,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:46:49,608 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:46:49,608 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:46:49,608 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:46:49,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:46:49,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:46:49,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:46:49,611 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:46:49,611 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:46:49,611 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:46:49,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:46:49,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:46:49,612 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 3b9f3642eacda74f899916c40cd5d64e7b2da232 [2018-09-20 14:46:49,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:46:49,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:46:49,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:46:49,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:46:49,713 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:46:49,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.c [2018-09-20 14:46:50,083 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab89022b2/03202e45d5884cb7a1b12f6ebaf3bb18/FLAGb4a6438dd [2018-09-20 14:46:50,299 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:46:50,300 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.c [2018-09-20 14:46:50,313 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab89022b2/03202e45d5884cb7a1b12f6ebaf3bb18/FLAGb4a6438dd [2018-09-20 14:46:50,328 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab89022b2/03202e45d5884cb7a1b12f6ebaf3bb18 [2018-09-20 14:46:50,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:46:50,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:46:50,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:46:50,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:46:50,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:46:50,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:50" (1/1) ... [2018-09-20 14:46:50,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ccf1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:50, skipping insertion in model container [2018-09-20 14:46:50,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:50" (1/1) ... [2018-09-20 14:46:50,361 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:46:50,881 FATAL L292 ToolchainWalker]: 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:882) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:968) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$37(StandardFunctionHandler.java:260) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:160) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1549) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:513) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1928) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1748) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1725) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:278) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1573) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:204) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3980) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2445) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.preRun(MainDispatcher.java:348) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.Dispatcher.run(Dispatcher.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.doTranslation(CACSL2BoogieTranslatorObserver.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:152) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-20 14:46:50,890 INFO L168 Benchmark]: Toolchain (without parser) took 556.91 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:46:50,897 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:46:50,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:46:50,904 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.64 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 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:882) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-40ef509 [2018-09-20 14:46:53,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:46:53,096 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:46:53,108 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:46:53,109 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:46:53,110 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:46:53,111 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:46:53,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:46:53,115 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:46:53,116 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:46:53,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:46:53,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:46:53,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:46:53,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:46:53,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:46:53,122 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:46:53,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:46:53,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:46:53,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:46:53,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:46:53,140 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:46:53,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:46:53,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:46:53,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:46:53,153 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:46:53,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:46:53,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:46:53,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:46:53,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:46:53,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:46:53,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:46:53,159 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:46:53,159 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:46:53,159 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:46:53,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:46:53,161 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:46:53,161 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:46:53,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:46:53,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:46:53,188 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:46:53,188 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:46:53,190 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:46:53,191 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:46:53,191 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:46:53,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:46:53,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:46:53,193 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:46:53,193 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:46:53,193 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:46:53,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:46:53,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:46:53,196 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:46:53,196 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:46:53,196 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:46:53,196 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:46:53,198 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:46:53,198 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:46:53,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:46:53,199 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:46:53,199 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:46:53,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:46:53,199 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:46:53,200 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:46:53,200 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(__VERIFIER_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 -> 3b9f3642eacda74f899916c40cd5d64e7b2da232 [2018-09-20 14:46:53,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:46:53,267 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:46:53,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:46:53,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:46:53,274 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:46:53,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.c [2018-09-20 14:46:53,625 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c38eed5/b8b6db3134934752a50bd249ee3fd599/FLAG7ac6cc1cd [2018-09-20 14:46:53,852 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:46:53,853 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0864a_true-unreach-call.c [2018-09-20 14:46:53,870 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c38eed5/b8b6db3134934752a50bd249ee3fd599/FLAG7ac6cc1cd [2018-09-20 14:46:53,887 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c38eed5/b8b6db3134934752a50bd249ee3fd599 [2018-09-20 14:46:53,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:46:53,894 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:46:53,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:46:53,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:46:53,902 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:46:53,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:53" (1/1) ... [2018-09-20 14:46:53,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468c696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:53, skipping insertion in model container [2018-09-20 14:46:53,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:46:53" (1/1) ... [2018-09-20 14:46:53,919 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:46:54,425 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:46:54,449 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:46:54,645 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:46:54,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54 WrapperNode [2018-09-20 14:46:54,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:46:54,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:46:54,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:46:54,713 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:46:54,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:54,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:54,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:54,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:54,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:55,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:55,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... [2018-09-20 14:46:55,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:46:55,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:46:55,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:46:55,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:46:55,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:46:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:46:55,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 14:46:55,101 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-20 14:46:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:46:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:46:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-20 14:46:55,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:46:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:46:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:46:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-20 14:46:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:46:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:46:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:46:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:46:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:46:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:46:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:46:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-20 14:46:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-20 14:46:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 14:46:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-20 14:46:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:46:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:46:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-20 14:46:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:46:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:46:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:46:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:46:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:46:55,834 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:56,802 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:56,833 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:57,826 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:57,853 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:46:58,849 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,427 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,534 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,546 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,588 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,599 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,633 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,780 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,832 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:00,847 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:01,574 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:01,604 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:01,665 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:04,155 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:04,198 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:07,036 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:09,276 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:11,632 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:12,451 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:14,645 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:14,655 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:14,664 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:14,699 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:14,731 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:16,857 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:23,205 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:23,235 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:23,257 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:23,270 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:23,836 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:26,984 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,011 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:27,058 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:42,413 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:43,119 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:43,129 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:43,156 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:44,827 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:44,841 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:44,881 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:48,667 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:48,720 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:48,749 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:50,941 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:50,952 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:50,996 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:51,039 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:51,051 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:51,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:47:54,315 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:47:54,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:47:54 BoogieIcfgContainer [2018-09-20 14:47:54,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:47:54,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:47:54,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:47:54,322 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:47:54,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:46:53" (1/3) ... [2018-09-20 14:47:54,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3779cc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:47:54, skipping insertion in model container [2018-09-20 14:47:54,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:46:54" (2/3) ... [2018-09-20 14:47:54,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3779cc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:47:54, skipping insertion in model container [2018-09-20 14:47:54,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:47:54" (3/3) ... [2018-09-20 14:47:54,327 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0864a_true-unreach-call.c [2018-09-20 14:47:54,339 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:47:54,350 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:47:54,416 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:47:54,417 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:47:54,417 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:47:54,417 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:47:54,418 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:47:54,418 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:47:54,418 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:47:54,418 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:47:54,418 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:47:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states. [2018-09-20 14:47:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-20 14:47:54,469 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:47:54,470 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:47:54,473 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:47:54,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1836741029, now seen corresponding path program 1 times [2018-09-20 14:47:54,483 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:47:54,484 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-20 14:47:54,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:47:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:47:54,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:47:54,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:47:54,757 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:47:54,776 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:47:54,777 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:47:54,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:47:54,795 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:47:54,796 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:47:54,799 INFO L87 Difference]: Start difference. First operand 674 states. Second operand 2 states. [2018-09-20 14:47:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:47:54,899 INFO L93 Difference]: Finished difference Result 1339 states and 1756 transitions. [2018-09-20 14:47:54,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:47:54,901 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-20 14:47:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:47:54,923 INFO L225 Difference]: With dead ends: 1339 [2018-09-20 14:47:54,924 INFO L226 Difference]: Without dead ends: 669 [2018-09-20 14:47:54,933 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:47:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-20 14:47:55,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-20 14:47:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:47:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 793 transitions. [2018-09-20 14:47:55,034 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 793 transitions. Word has length 27 [2018-09-20 14:47:55,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:47:55,034 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 793 transitions. [2018-09-20 14:47:55,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:47:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 793 transitions. [2018-09-20 14:47:55,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-20 14:47:55,041 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:47:55,042 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:47:55,042 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:47:55,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1947173955, now seen corresponding path program 1 times [2018-09-20 14:47:55,045 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:47:55,045 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-20 14:47:55,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:47:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:47:55,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:47:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:47:55,442 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:47:55,461 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:47:55,462 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 14:47:55,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 14:47:55,464 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 14:47:55,465 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 14:47:55,465 INFO L87 Difference]: Start difference. First operand 669 states and 793 transitions. Second operand 4 states. [2018-09-20 14:47:55,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:47:55,605 INFO L93 Difference]: Finished difference Result 1233 states and 1453 transitions. [2018-09-20 14:47:55,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 14:47:55,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2018-09-20 14:47:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:47:55,615 INFO L225 Difference]: With dead ends: 1233 [2018-09-20 14:47:55,615 INFO L226 Difference]: Without dead ends: 669 [2018-09-20 14:47:55,618 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 14:47:55,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2018-09-20 14:47:55,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 669. [2018-09-20 14:47:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:47:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 791 transitions. [2018-09-20 14:47:55,649 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 791 transitions. Word has length 66 [2018-09-20 14:47:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:47:55,649 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 791 transitions. [2018-09-20 14:47:55,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 14:47:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 791 transitions. [2018-09-20 14:47:55,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-20 14:47:55,657 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:47:55,657 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:47:55,657 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:47:55,657 INFO L82 PathProgramCache]: Analyzing trace with hash 724547759, now seen corresponding path program 1 times [2018-09-20 14:47:55,658 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:47:55,659 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-20 14:47:55,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:47:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:47:57,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:47:57,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:47:57,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:47:57,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:57,419 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:57,766 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:57,767 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:47:57,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:47:57,883 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:47:57,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:57,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:58,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:58,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:47:58,355 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:47:58,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:47:58,374 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:58,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:58,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:58,534 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:47:58,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:47:58,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:47:58,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:47:58,761 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:47:58,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:47:58,850 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-20 14:47:59,845 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 49 [2018-09-20 14:48:00,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:48:00,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:48:00,267 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:00,275 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:00,312 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:00,313 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:48:00,489 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:48:00,496 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:48:00,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:48:00,502 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:48:00,516 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:48:00,517 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:48:02,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:48:02,128 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:48:02,173 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:48:02,173 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-20 14:48:02,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-20 14:48:02,175 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-20 14:48:02,176 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:48:02,176 INFO L87 Difference]: Start difference. First operand 669 states and 791 transitions. Second operand 18 states. [2018-09-20 14:48:03,333 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 14:48:04,312 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-20 14:48:04,914 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-20 14:48:06,282 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 14:48:06,740 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:48:07,865 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-20 14:48:08,817 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:48:10,443 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-20 14:48:16,840 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-20 14:48:18,247 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-09-20 14:49:05,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:05,974 INFO L93 Difference]: Finished difference Result 763 states and 903 transitions. [2018-09-20 14:49:05,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-20 14:49:05,978 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 129 [2018-09-20 14:49:05,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:05,985 INFO L225 Difference]: With dead ends: 763 [2018-09-20 14:49:05,985 INFO L226 Difference]: Without dead ends: 740 [2018-09-20 14:49:05,987 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-20 14:49:05,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2018-09-20 14:49:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 726. [2018-09-20 14:49:06,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-20 14:49:06,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 865 transitions. [2018-09-20 14:49:06,034 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 865 transitions. Word has length 129 [2018-09-20 14:49:06,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:06,036 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 865 transitions. [2018-09-20 14:49:06,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-20 14:49:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 865 transitions. [2018-09-20 14:49:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:49:06,045 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:06,045 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:49:06,045 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:06,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1212153043, now seen corresponding path program 1 times [2018-09-20 14:49:06,046 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:06,047 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:49:06,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:06,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:06,600 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-09-20 14:49:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:06,754 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:06,771 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:06,771 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:49:06,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:49:06,772 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:49:06,772 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:49:06,773 INFO L87 Difference]: Start difference. First operand 726 states and 865 transitions. Second operand 9 states. [2018-09-20 14:49:12,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:49:12,469 INFO L93 Difference]: Finished difference Result 1297 states and 1531 transitions. [2018-09-20 14:49:12,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-20 14:49:12,471 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-20 14:49:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:49:12,477 INFO L225 Difference]: With dead ends: 1297 [2018-09-20 14:49:12,478 INFO L226 Difference]: Without dead ends: 730 [2018-09-20 14:49:12,481 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-09-20 14:49:12,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-09-20 14:49:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 726. [2018-09-20 14:49:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-09-20 14:49:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 864 transitions. [2018-09-20 14:49:12,525 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 864 transitions. Word has length 131 [2018-09-20 14:49:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:49:12,527 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 864 transitions. [2018-09-20 14:49:12,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:49:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 864 transitions. [2018-09-20 14:49:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-20 14:49:12,532 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:49:12,533 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:49:12,533 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:49:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash 564097052, now seen corresponding path program 1 times [2018-09-20 14:49:12,534 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:49:12,537 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-20 14:49:12,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:49:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:49:13,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:49:13,185 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-20 14:49:13,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:49:13,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:49:13,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:13,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:13,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:13,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-20 14:49:13,627 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-20 14:49:13,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:49:13,669 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:49:13,671 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:13,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:13,931 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:13,932 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-20 14:49:14,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:49:14,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:49:14,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:14,228 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:14,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:14,278 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:33 [2018-09-20 14:49:14,394 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:49:14,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:49:14,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:14,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:14,439 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:14,439 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:42, output treesize:27 [2018-09-20 14:49:15,696 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:49:15,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:49:15,707 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:15,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:15,732 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:15,732 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:49:15,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:49:15,943 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:49:15,943 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:49:15,946 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:49:15,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:49:15,957 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:49:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:49:16,831 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:49:16,846 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:49:16,847 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-09-20 14:49:16,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-09-20 14:49:16,847 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-09-20 14:49:16,848 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-09-20 14:49:16,848 INFO L87 Difference]: Start difference. First operand 726 states and 864 transitions. Second operand 18 states. [2018-09-20 14:49:18,597 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-09-20 14:49:20,393 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 14:49:21,609 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:49:22,157 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-20 14:49:22,725 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-20 14:49:24,235 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-20 14:49:28,445 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-09-20 14:50:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:09,580 INFO L93 Difference]: Finished difference Result 775 states and 919 transitions. [2018-09-20 14:50:09,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-09-20 14:50:09,584 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 132 [2018-09-20 14:50:09,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:09,590 INFO L225 Difference]: With dead ends: 775 [2018-09-20 14:50:09,591 INFO L226 Difference]: Without dead ends: 750 [2018-09-20 14:50:09,593 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=165, Invalid=1241, Unknown=0, NotChecked=0, Total=1406 [2018-09-20 14:50:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2018-09-20 14:50:09,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 669. [2018-09-20 14:50:09,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:50:09,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 789 transitions. [2018-09-20 14:50:09,637 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 789 transitions. Word has length 132 [2018-09-20 14:50:09,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:09,638 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 789 transitions. [2018-09-20 14:50:09,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-09-20 14:50:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 789 transitions. [2018-09-20 14:50:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:50:09,640 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:09,640 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:50:09,645 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:09,646 INFO L82 PathProgramCache]: Analyzing trace with hash -895645421, now seen corresponding path program 1 times [2018-09-20 14:50:09,648 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:09,648 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:09,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:50:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:11,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:11,169 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:50:11,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:50:11,176 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:11,183 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:11,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:11,202 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-20 14:50:11,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:50:11,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:50:11,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:11,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:11,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:11,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-20 14:50:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-20 14:50:11,598 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:50:11,624 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:50:11,624 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-20 14:50:11,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-20 14:50:11,625 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-20 14:50:11,626 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-20 14:50:11,627 INFO L87 Difference]: Start difference. First operand 669 states and 789 transitions. Second operand 9 states. [2018-09-20 14:50:30,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:50:30,505 INFO L93 Difference]: Finished difference Result 794 states and 924 transitions. [2018-09-20 14:50:30,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-20 14:50:30,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 131 [2018-09-20 14:50:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:50:30,513 INFO L225 Difference]: With dead ends: 794 [2018-09-20 14:50:30,514 INFO L226 Difference]: Without dead ends: 769 [2018-09-20 14:50:30,515 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-20 14:50:30,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2018-09-20 14:50:30,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 669. [2018-09-20 14:50:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-09-20 14:50:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 787 transitions. [2018-09-20 14:50:30,560 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 787 transitions. Word has length 131 [2018-09-20 14:50:30,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:50:30,561 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 787 transitions. [2018-09-20 14:50:30,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-20 14:50:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 787 transitions. [2018-09-20 14:50:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-20 14:50:30,564 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:50:30,565 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-20 14:50:30,565 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:50:30,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1322112532, now seen corresponding path program 1 times [2018-09-20 14:50:30,567 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:50:30,567 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-20 14:50:30,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-20 14:50:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:50:32,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:50:32,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:50:32,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:50:32,222 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:32,236 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:32,622 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:32,623 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-20 14:50:32,874 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-09-20 14:50:32,978 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:50:33,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:50:33,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:33,070 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:33,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:33,297 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-20 14:50:33,656 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-20 14:50:34,044 INFO L303 Elim1Store]: Index analysis took 378 ms [2018-09-20 14:50:34,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-20 14:50:34,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-20 14:50:34,063 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:34,109 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:34,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:34,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-20 14:50:34,559 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:50:34,721 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-09-20 14:50:34,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-20 14:50:35,076 INFO L303 Elim1Store]: Index analysis took 352 ms [2018-09-20 14:50:35,076 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-20 14:50:35,077 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:50:35,103 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:50:36,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-20 14:50:36,259 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-20 14:50:36,495 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:50:36,711 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-20 14:50:37,098 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-20 14:50:39,588 WARN L797 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from false [2018-09-20 14:50:42,026 WARN L819 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_fmod_double_#res| (let ((.cse2 (fp.mul RNE |c_fmod_double_#in~x| |c_fmod_double_#in~y|))) (fp.div RNE .cse2 .cse2))))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_62| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_62|) ((_ extract 62 52) |v_q#valueAsBitvector_62|) ((_ extract 51 0) |v_q#valueAsBitvector_62|)))) (exists ((|v_q#valueAsBitvector_63| (_ BitVec 64)) (fmod_double_~ly~0 (_ BitVec 32))) (and (= (_ bv0 32) (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_63|) (_ bv2147483647 32)) fmod_double_~ly~0)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_63|) ((_ extract 62 52) |v_q#valueAsBitvector_63|) ((_ extract 51 0) |v_q#valueAsBitvector_63|)))))) (and .cse0 (exists ((v_prenex_10 (_ BitVec 64)) (v_prenex_12 (_ BitVec 32))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_10) ((_ extract 62 52) v_prenex_10) ((_ extract 51 0) v_prenex_10))) (bvugt (bvor (bvand ((_ extract 63 32) v_prenex_10) (_ bv2147483647 32)) (bvlshr (bvor v_prenex_12 (bvneg v_prenex_12)) (_ bv31 32))) (_ bv2146435072 32)))) (exists ((v_prenex_11 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_11) ((_ extract 62 52) v_prenex_11) ((_ extract 51 0) v_prenex_11))))) (and (exists ((v_prenex_7 (_ BitVec 64))) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_7) ((_ extract 62 52) v_prenex_7) ((_ extract 51 0) v_prenex_7)))) .cse0 (exists ((v_prenex_8 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_8) ((_ extract 62 52) v_prenex_8) ((_ extract 51 0) v_prenex_8))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_8))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32))))))) is different from true [2018-09-20 14:51:17,382 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-20 14:51:17,583 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2018-09-20 14:51:17,584 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:893) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:236) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 39 more [2018-09-20 14:51:17,589 INFO L168 Benchmark]: Toolchain (without parser) took 263697.58 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.4 MB). Free memory was 953.2 MB in the beginning and 924.4 MB in the end (delta: 28.8 MB). Peak memory consumption was 318.2 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:17,591 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:51:17,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 910.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:17,592 INFO L168 Benchmark]: Boogie Preprocessor took 307.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:17,592 INFO L168 Benchmark]: RCFGBuilder took 59295.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 169.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:17,593 INFO L168 Benchmark]: TraceAbstraction took 203270.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 157.8 MB). Free memory was 945.3 MB in the beginning and 924.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. [2018-09-20 14:51:17,608 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 817.28 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 910.3 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 307.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 910.3 MB in the beginning and 1.1 GB in the end (delta: -204.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 59295.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.3 MB in the end (delta: 169.3 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 203270.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 157.8 MB). Free memory was 945.3 MB in the beginning and 924.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 178.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...