/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0886a_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_0886a_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 c3684d4d347ad19df08036a57256a8996bf70e94 ......................................................................................................................................................... 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_0886a_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 c3684d4d347ad19df08036a57256a8996bf70e94 .............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 14:54:55,726 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:54:55,728 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:54:55,748 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:54:55,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:54:55,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:54:55,751 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:54:55,753 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:54:55,755 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:54:55,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:54:55,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:54:55,758 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:54:55,759 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:54:55,760 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:54:55,761 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:54:55,762 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:54:55,763 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:54:55,765 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:54:55,768 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:54:55,770 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:54:55,771 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:54:55,772 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:54:55,775 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:54:55,775 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:54:55,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:54:55,777 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:54:55,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:54:55,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:54:55,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:54:55,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:54:55,788 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:54:55,790 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:54:55,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:54:55,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:54:55,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:54:55,794 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:54:55,795 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:54:55,818 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:54:55,819 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:54:55,820 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:54:55,822 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:54:55,823 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:54:55,824 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:54:55,824 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:54:55,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:54:55,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:54:55,824 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:54:55,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:54:55,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:54:55,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:54:55,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:54:55,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:54:55,830 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:54:55,831 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:54:55,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:54:55,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:54:55,831 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:54:55,832 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:54:55,832 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:54:55,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:54:55,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:54:55,833 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:54:55,834 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:54:55,834 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:54:55,834 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:54:55,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:54:55,834 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 -> c3684d4d347ad19df08036a57256a8996bf70e94 [2018-09-20 14:54:55,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:54:55,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:54:55,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:54:55,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:54:55,932 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:54:55,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-20 14:54:56,299 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f59ed003/305d19e495154ea7a83929b3704e948a/FLAG4f81b8a05 [2018-09-20 14:54:56,561 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:54:56,562 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-20 14:54:56,587 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f59ed003/305d19e495154ea7a83929b3704e948a/FLAG4f81b8a05 [2018-09-20 14:54:56,618 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f59ed003/305d19e495154ea7a83929b3704e948a [2018-09-20 14:54:56,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:54:56,628 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:54:56,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:54:56,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:54:56,640 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:54:56,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:54:56" (1/1) ... [2018-09-20 14:54:56,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176a39fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:54:56, skipping insertion in model container [2018-09-20 14:54:56,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:54:56" (1/1) ... [2018-09-20 14:54:56,660 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:54:57,032 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 14:54:57,039 INFO L168 Benchmark]: Toolchain (without parser) took 414.54 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:54:57,041 INFO L168 Benchmark]: CDTParser took 0.19 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 14:54:57,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.94 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:54:57,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 408.94 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 937.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 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 14:54:59,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:54:59,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:54:59,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:54:59,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:54:59,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:54:59,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:54:59,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:54:59,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:54:59,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:54:59,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:54:59,429 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:54:59,430 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:54:59,431 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:54:59,432 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:54:59,433 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:54:59,434 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:54:59,435 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:54:59,437 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:54:59,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:54:59,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:54:59,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:54:59,444 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:54:59,444 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:54:59,444 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:54:59,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:54:59,446 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:54:59,447 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:54:59,448 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:54:59,449 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:54:59,449 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:54:59,450 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:54:59,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:54:59,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:54:59,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:54:59,452 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:54:59,452 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-20 14:54:59,477 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:54:59,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:54:59,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:54:59,479 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:54:59,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:54:59,481 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:54:59,482 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:54:59,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:54:59,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:54:59,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:54:59,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:54:59,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:54:59,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:54:59,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:54:59,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:54:59,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:54:59,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:54:59,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:54:59,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:54:59,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:54:59,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:54:59,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:54:59,489 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-20 14:54:59,490 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:54:59,490 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-20 14:54:59,490 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-20 14:54:59,490 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 -> c3684d4d347ad19df08036a57256a8996bf70e94 [2018-09-20 14:54:59,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:54:59,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:54:59,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:54:59,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:54:59,573 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:54:59,574 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-20 14:54:59,934 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e3b3d5/7c39b1b5ce024081ac8d2a9775abfa07/FLAGb64dbee7c [2018-09-20 14:55:00,217 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:55:00,218 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0886a_true-unreach-call.c [2018-09-20 14:55:00,243 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e3b3d5/7c39b1b5ce024081ac8d2a9775abfa07/FLAGb64dbee7c [2018-09-20 14:55:00,269 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e28e3b3d5/7c39b1b5ce024081ac8d2a9775abfa07 [2018-09-20 14:55:00,273 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:55:00,276 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:55:00,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:00,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:55:00,286 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:55:00,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:00" (1/1) ... [2018-09-20 14:55:00,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d53afcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:00, skipping insertion in model container [2018-09-20 14:55:00,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:55:00" (1/1) ... [2018-09-20 14:55:00,305 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:55:00,894 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:00,919 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-20 14:55:01,161 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-20 14:55:01,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01 WrapperNode [2018-09-20 14:55:01,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:55:01,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-20 14:55:01,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-20 14:55:01,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-20 14:55:01,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (1/1) ... [2018-09-20 14:55:01,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-20 14:55:01,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-20 14:55:01,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-20 14:55:01,493 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-20 14:55:01,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (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 14:55:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-20 14:55:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-20 14:55:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-09-20 14:55:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-09-20 14:55:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-20 14:55:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-09-20 14:55:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-09-20 14:55:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-20 14:55:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2018-09-20 14:55:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2018-09-20 14:55:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isinteger_double [2018-09-20 14:55:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_double [2018-09-20 14:55:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-20 14:55:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-20 14:55:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-20 14:55:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-09-20 14:55:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-20 14:55:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-09-20 14:55:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-20 14:55:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-09-20 14:55:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-09-20 14:55:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-20 14:55:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2018-09-20 14:55:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2018-09-20 14:55:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure isinteger_double [2018-09-20 14:55:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_double [2018-09-20 14:55:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-20 14:55:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-20 14:55:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-20 14:55:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-20 14:55:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-20 14:55:02,313 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:02,825 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:02,864 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:03,421 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:03,445 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:04,536 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:05,965 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,124 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,143 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,198 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,210 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,236 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,415 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,456 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:06,510 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:07,619 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:07,672 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:07,775 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:10,296 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:10,337 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:13,077 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:15,317 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:17,633 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:19,847 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:22,163 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:22,187 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:22,195 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:22,211 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:22,222 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:24,329 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,266 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,277 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,297 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,314 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:31,734 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:34,822 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:34,833 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:34,900 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:50,526 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:51,724 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:51,734 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:52,391 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:52,444 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:52,525 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:55,999 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:56,036 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:56,099 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:57,062 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:57,070 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:55:57,086 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,060 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,090 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,106 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,180 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,190 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:00,887 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-20 14:56:03,657 INFO L365 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-20 14:56:03,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:56:03 BoogieIcfgContainer [2018-09-20 14:56:03,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-20 14:56:03,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-20 14:56:03,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-20 14:56:03,663 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-20 14:56:03,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 02:55:00" (1/3) ... [2018-09-20 14:56:03,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f901554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:56:03, skipping insertion in model container [2018-09-20 14:56:03,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:55:01" (2/3) ... [2018-09-20 14:56:03,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f901554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 02:56:03, skipping insertion in model container [2018-09-20 14:56:03,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 02:56:03" (3/3) ... [2018-09-20 14:56:03,668 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0886a_true-unreach-call.c [2018-09-20 14:56:03,678 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-20 14:56:03,689 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-20 14:56:03,746 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-20 14:56:03,747 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-20 14:56:03,747 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-20 14:56:03,747 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-20 14:56:03,748 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-20 14:56:03,748 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-20 14:56:03,748 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-20 14:56:03,748 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-20 14:56:03,748 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-20 14:56:03,783 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states. [2018-09-20 14:56:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-20 14:56:03,795 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:03,796 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] [2018-09-20 14:56:03,798 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:03,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1231243879, now seen corresponding path program 1 times [2018-09-20 14:56:03,807 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:03,808 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 14:56:03,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:04,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:04,082 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 14:56:04,083 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:56:04,103 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:04,103 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-20 14:56:04,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-20 14:56:04,124 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-20 14:56:04,125 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-20 14:56:04,127 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 2 states. [2018-09-20 14:56:04,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:04,243 INFO L93 Difference]: Finished difference Result 1335 states and 1754 transitions. [2018-09-20 14:56:04,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-20 14:56:04,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-20 14:56:04,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:04,269 INFO L225 Difference]: With dead ends: 1335 [2018-09-20 14:56:04,269 INFO L226 Difference]: Without dead ends: 667 [2018-09-20 14:56:04,279 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 14:56:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-20 14:56:04,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-20 14:56:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-20 14:56:04,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 792 transitions. [2018-09-20 14:56:04,386 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 792 transitions. Word has length 22 [2018-09-20 14:56:04,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:04,386 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 792 transitions. [2018-09-20 14:56:04,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-20 14:56:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 792 transitions. [2018-09-20 14:56:04,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-20 14:56:04,391 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:04,391 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] [2018-09-20 14:56:04,391 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:04,392 INFO L82 PathProgramCache]: Analyzing trace with hash 2045314595, now seen corresponding path program 1 times [2018-09-20 14:56:04,393 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:04,393 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 14:56:04,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:04,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:04,733 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 14:56:04,734 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-20 14:56:04,753 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-20 14:56:04,753 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-20 14:56:04,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-20 14:56:04,757 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-20 14:56:04,758 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-20 14:56:04,758 INFO L87 Difference]: Start difference. First operand 667 states and 792 transitions. Second operand 4 states. [2018-09-20 14:56:04,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-20 14:56:04,939 INFO L93 Difference]: Finished difference Result 1229 states and 1451 transitions. [2018-09-20 14:56:04,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-20 14:56:04,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2018-09-20 14:56:04,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-20 14:56:04,945 INFO L225 Difference]: With dead ends: 1229 [2018-09-20 14:56:04,945 INFO L226 Difference]: Without dead ends: 667 [2018-09-20 14:56:04,948 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-20 14:56:04,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-09-20 14:56:04,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 667. [2018-09-20 14:56:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2018-09-20 14:56:04,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 790 transitions. [2018-09-20 14:56:04,982 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 790 transitions. Word has length 48 [2018-09-20 14:56:04,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-20 14:56:04,982 INFO L480 AbstractCegarLoop]: Abstraction has 667 states and 790 transitions. [2018-09-20 14:56:04,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-20 14:56:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 790 transitions. [2018-09-20 14:56:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-20 14:56:04,995 INFO L368 BasicCegarLoop]: Found error trace [2018-09-20 14:56:04,996 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] [2018-09-20 14:56:04,996 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-20 14:56:04,996 INFO L82 PathProgramCache]: Analyzing trace with hash -78193032, now seen corresponding path program 1 times [2018-09-20 14:56:04,998 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-20 14:56:04,998 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 14:56:05,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-20 14:56:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-20 14:56:06,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-20 14:56:06,610 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 14:56:06,620 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 14:56:06,620 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:06,650 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:06,728 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 14:56:06,728 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2018-09-20 14:56:06,853 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 14:56:06,883 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 14:56:06,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:06,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:07,112 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 14:56:07,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:35, output treesize:20 [2018-09-20 14:56:07,498 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 14:56:07,532 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 14:56:07,532 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:07,599 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:07,898 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 14:56:07,899 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:43, output treesize:39 [2018-09-20 14:56:08,174 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-20 14:56:08,213 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 14:56:08,238 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 14:56:08,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-20 14:56:08,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-20 14:56:08,701 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 14:56:08,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:48, output treesize:33 [2018-09-20 14:56:11,840 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_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from false [2018-09-20 14:56:14,307 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_57| (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_57|) ((_ extract 62 52) |v_q#valueAsBitvector_57|) ((_ extract 51 0) |v_q#valueAsBitvector_57|)))) (exists ((fmod_double_~ly~1 (_ BitVec 32)) (|v_q#valueAsBitvector_58| (_ BitVec 64))) (and (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) |v_q#valueAsBitvector_58|) ((_ extract 62 52) |v_q#valueAsBitvector_58|) ((_ extract 51 0) |v_q#valueAsBitvector_58|))) (bvugt (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_58|) (_ bv2147483647 32)) (bvlshr (bvor fmod_double_~ly~1 (bvneg fmod_double_~ly~1)) (_ bv31 32))) (_ bv2146435072 32))))) (and (exists ((v_prenex_6 (_ BitVec 64))) (and (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6))) (bvsge (let ((.cse1 ((_ extract 63 32) v_prenex_6))) (bvxor .cse1 (bvand .cse1 (_ bv2147483648 32)))) (_ bv2146435072 32)))) .cse0 (exists ((v_prenex_5 (_ BitVec 64))) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |c_fmod_double_#in~y|))) (and (exists ((v_prenex_2 (_ BitVec 64)) (v_prenex_1 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) v_prenex_2) (_ bv2147483647 32)) v_prenex_1) (_ bv0 32)) (= |c_fmod_double_#in~y| (fp ((_ extract 63 63) v_prenex_2) ((_ extract 62 52) v_prenex_2) ((_ extract 51 0) v_prenex_2))))) .cse0 (exists ((v_prenex_4 (_ BitVec 64))) (= |c_fmod_double_#in~x| (fp ((_ extract 63 63) v_prenex_4) ((_ extract 62 52) v_prenex_4) ((_ extract 51 0) v_prenex_4))))))) is different from true [2018-09-20 14:56:50,794 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2018-09-20 14:56:50,995 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2018-09-20 14:56:50,997 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 14:56:51,008 INFO L168 Benchmark]: Toolchain (without parser) took 110729.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -230.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:56:51,009 INFO L168 Benchmark]: CDTParser took 0.25 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 14:56:51,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 908.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:51,012 INFO L168 Benchmark]: Boogie Preprocessor took 269.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 908.9 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:51,013 INFO L168 Benchmark]: RCFGBuilder took 62165.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2018-09-20 14:56:51,016 INFO L168 Benchmark]: TraceAbstraction took 47342.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 962.3 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 14:56:51,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 944.65 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 908.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 269.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 908.9 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 62165.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.3 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 47342.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 962.3 MB in the beginning and 1.2 GB in the end (delta: -220.2 MB). There was no memory consumed. 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...