./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer --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 2a1461abf41b32fc16e414d157f4868187d3ed0d ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer --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 2a1461abf41b32fc16e414d157f4868187d3ed0d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:33:53,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:33:53,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:33:53,134 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:33:53,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:33:53,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:33:53,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:33:53,136 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:33:53,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:33:53,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:33:53,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:33:53,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:33:53,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:33:53,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:33:53,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:33:53,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:33:53,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:33:53,142 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:33:53,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:33:53,144 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:33:53,145 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:33:53,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:33:53,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:33:53,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:33:53,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:33:53,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:33:53,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:33:53,150 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:33:53,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:33:53,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:33:53,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:33:53,151 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:33:53,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:33:53,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:33:53,152 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:33:53,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:33:53,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 00:33:53,160 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:33:53,160 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:33:53,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:33:53,160 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:33:53,161 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:33:53,161 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:33:53,161 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:33:53,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:33:53,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:33:53,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:33:53,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:33:53,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:33:53,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:33:53,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:33:53,163 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:33:53,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:33:53,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:33:53,164 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer 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 -> 2a1461abf41b32fc16e414d157f4868187d3ed0d [2018-11-23 00:33:53,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:33:53,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:33:53,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:33:53,200 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:33:53,200 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:33:53,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 00:33:53,245 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/30624612d/cde92fde967749f895af26bcef9fbbed/FLAG81c68ae2a [2018-11-23 00:33:53,707 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:33:53,707 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 00:33:53,715 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/30624612d/cde92fde967749f895af26bcef9fbbed/FLAG81c68ae2a [2018-11-23 00:33:53,725 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/30624612d/cde92fde967749f895af26bcef9fbbed [2018-11-23 00:33:53,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:33:53,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:33:53,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:53,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:33:53,732 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:33:53,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:53" (1/1) ... [2018-11-23 00:33:53,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e46a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:53, skipping insertion in model container [2018-11-23 00:33:53,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:53" (1/1) ... [2018-11-23 00:33:53,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:33:53,770 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:33:53,930 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:825) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1318) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$39(StandardFunctionHandler.java:319) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1887) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1503) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1480) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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) [2018-11-23 00:33:53,936 INFO L168 Benchmark]: Toolchain (without parser) took 208.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:53,938 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:33:53,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 206.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 00:33:53,939 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 206.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 944.0 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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:825) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 00:33:55,196 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:33:55,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:33:55,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:33:55,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:33:55,207 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:33:55,208 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:33:55,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:33:55,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:33:55,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:33:55,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:33:55,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:33:55,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:33:55,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:33:55,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:33:55,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:33:55,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:33:55,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:33:55,216 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:33:55,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:33:55,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:33:55,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:33:55,220 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:33:55,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:33:55,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:33:55,221 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:33:55,222 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:33:55,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:33:55,223 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:33:55,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:33:55,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:33:55,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:33:55,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:33:55,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:33:55,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:33:55,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:33:55,226 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 00:33:55,236 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:33:55,236 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:33:55,237 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:33:55,237 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:33:55,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:33:55,238 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:33:55,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:33:55,239 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:33:55,240 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:33:55,240 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:33:55,240 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:33:55,240 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:33:55,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:33:55,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:33:55,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:33:55,241 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:33:55,241 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 00:33:55,241 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:33:55,241 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 00:33:55,241 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 00:33:55,241 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer 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 -> 2a1461abf41b32fc16e414d157f4868187d3ed0d [2018-11-23 00:33:55,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:33:55,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:33:55,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:33:55,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:33:55,286 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:33:55,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 00:33:55,327 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/24c7178bc/8b66ff1cd44046d38c66a9b071dd974f/FLAG016b48425 [2018-11-23 00:33:55,653 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:33:55,653 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/sv-benchmarks/c/float-newlib/double_req_bl_0883_true-unreach-call.c [2018-11-23 00:33:55,659 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/24c7178bc/8b66ff1cd44046d38c66a9b071dd974f/FLAG016b48425 [2018-11-23 00:33:55,668 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/data/24c7178bc/8b66ff1cd44046d38c66a9b071dd974f [2018-11-23 00:33:55,671 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:33:55,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:33:55,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:55,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:33:55,675 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:33:55,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:55" (1/1) ... [2018-11-23 00:33:55,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32fe689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:55, skipping insertion in model container [2018-11-23 00:33:55,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:33:55" (1/1) ... [2018-11-23 00:33:55,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:33:55,713 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:33:55,934 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:55,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:33:56,027 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:33:56,094 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:33:56,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56 WrapperNode [2018-11-23 00:33:56,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:33:56,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:56,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:33:56,095 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:33:56,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:33:56,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:33:56,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:33:56,118 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:33:56,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... [2018-11-23 00:33:56,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:33:56,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:33:56,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:33:56,185 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:33:56,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:33:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-23 00:33:56,232 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2018-11-23 00:33:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2018-11-23 00:33:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-23 00:33:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_pow [2018-11-23 00:33:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_pow [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:33:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:33:56,233 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2018-11-23 00:33:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2018-11-23 00:33:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-11-23 00:33:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-11-23 00:33:56,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:33:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:33:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 00:33:56,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 00:33:56,497 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:57,171 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:57,467 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:59,002 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:59,018 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:59,027 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:59,045 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:33:59,075 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:01,225 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:08,601 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:08,767 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:11,473 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:11,495 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:11,860 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:11,876 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:23,930 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:24,393 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:24,413 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:26,785 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:26,815 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:29,366 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:31,525 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:33,717 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:35,700 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:35,763 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:35,780 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:36,398 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:38,326 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-23 00:34:38,335 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:34:38,336 INFO L280 CfgBuilder]: Removed 60 assue(true) statements. [2018-11-23 00:34:38,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:38 BoogieIcfgContainer [2018-11-23 00:34:38,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:34:38,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:34:38,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:34:38,341 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:34:38,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:33:55" (1/3) ... [2018-11-23 00:34:38,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79608742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:34:38, skipping insertion in model container [2018-11-23 00:34:38,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:33:56" (2/3) ... [2018-11-23 00:34:38,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79608742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:34:38, skipping insertion in model container [2018-11-23 00:34:38,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:38" (3/3) ... [2018-11-23 00:34:38,344 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0883_true-unreach-call.c [2018-11-23 00:34:38,353 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:34:38,358 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:34:38,368 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:34:38,387 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:34:38,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:34:38,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:34:38,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:34:38,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:34:38,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:34:38,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:34:38,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:34:38,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:34:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states. [2018-11-23 00:34:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 00:34:38,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:34:38,409 INFO L402 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] [2018-11-23 00:34:38,410 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:34:38,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:34:38,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1639710760, now seen corresponding path program 1 times [2018-11-23 00:34:38,418 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:34:38,418 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:34:38,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:34:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:34:38,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:34:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:34:38,652 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:34:38,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:34:38,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:34:38,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:34:38,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:34:38,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:34:38,681 INFO L87 Difference]: Start difference. First operand 231 states. Second operand 2 states. [2018-11-23 00:34:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:34:38,719 INFO L93 Difference]: Finished difference Result 453 states and 743 transitions. [2018-11-23 00:34:38,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:34:38,720 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-23 00:34:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:34:38,730 INFO L225 Difference]: With dead ends: 453 [2018-11-23 00:34:38,730 INFO L226 Difference]: Without dead ends: 226 [2018-11-23 00:34:38,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:34:38,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-23 00:34:38,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2018-11-23 00:34:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 00:34:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 306 transitions. [2018-11-23 00:34:38,775 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 306 transitions. Word has length 24 [2018-11-23 00:34:38,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:34:38,775 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 306 transitions. [2018-11-23 00:34:38,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:34:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 306 transitions. [2018-11-23 00:34:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 00:34:38,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:34:38,777 INFO L402 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] [2018-11-23 00:34:38,777 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:34:38,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:34:38,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1214762493, now seen corresponding path program 1 times [2018-11-23 00:34:38,778 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:34:38,778 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:34:38,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:34:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:34:39,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:34:39,286 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:34:39,291 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:34:39,292 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:34:39,293 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:34:39,299 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 98 [2018-11-23 00:34:39,406 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-11-23 00:34:39,428 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:34:39,436 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 72 [2018-11-23 00:34:39,531 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2018-11-23 00:34:39,532 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,555 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,590 INFO L478 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 25 treesize of output 19 [2018-11-23 00:34:39,595 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 5 [2018-11-23 00:34:39,596 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,601 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,621 INFO L478 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 39 treesize of output 29 [2018-11-23 00:34:39,627 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 14 [2018-11-23 00:34:39,627 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,649 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,659 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:34:39,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-23 00:34:39,675 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:82, output treesize:28 [2018-11-23 00:34:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:34:39,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:34:39,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:34:39,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:34:39,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:34:39,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:34:39,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:34:39,828 INFO L87 Difference]: Start difference. First operand 226 states and 306 transitions. Second operand 7 states. [2018-11-23 00:34:53,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:34:53,242 INFO L93 Difference]: Finished difference Result 241 states and 320 transitions. [2018-11-23 00:34:53,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:34:53,358 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-11-23 00:34:53,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:34:53,361 INFO L225 Difference]: With dead ends: 241 [2018-11-23 00:34:53,361 INFO L226 Difference]: Without dead ends: 228 [2018-11-23 00:34:53,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:34:53,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-23 00:34:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 226. [2018-11-23 00:34:53,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 00:34:53,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 305 transitions. [2018-11-23 00:34:53,379 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 305 transitions. Word has length 27 [2018-11-23 00:34:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:34:53,379 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 305 transitions. [2018-11-23 00:34:53,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:34:53,379 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 305 transitions. [2018-11-23 00:34:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 00:34:53,380 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:34:53,380 INFO L402 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] [2018-11-23 00:34:53,380 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:34:53,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:34:53,380 INFO L82 PathProgramCache]: Analyzing trace with hash 124299431, now seen corresponding path program 1 times [2018-11-23 00:34:53,380 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:34:53,381 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:34:53,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:34:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:34:53,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:34:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:34:53,686 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:34:53,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:34:53,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:34:53,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:34:53,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:34:53,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:34:53,702 INFO L87 Difference]: Start difference. First operand 226 states and 305 transitions. Second operand 7 states. [2018-11-23 00:35:03,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:35:03,665 INFO L93 Difference]: Finished difference Result 279 states and 368 transitions. [2018-11-23 00:35:03,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:35:03,666 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-23 00:35:03,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:35:03,667 INFO L225 Difference]: With dead ends: 279 [2018-11-23 00:35:03,667 INFO L226 Difference]: Without dead ends: 265 [2018-11-23 00:35:03,668 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:35:03,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-23 00:35:03,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 226. [2018-11-23 00:35:03,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 00:35:03,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 302 transitions. [2018-11-23 00:35:03,684 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 302 transitions. Word has length 29 [2018-11-23 00:35:03,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:35:03,684 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 302 transitions. [2018-11-23 00:35:03,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:35:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 302 transitions. [2018-11-23 00:35:03,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 00:35:03,685 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:35:03,685 INFO L402 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] [2018-11-23 00:35:03,685 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:35:03,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:35:03,686 INFO L82 PathProgramCache]: Analyzing trace with hash -169103576, now seen corresponding path program 1 times [2018-11-23 00:35:03,686 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:35:03,686 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-23 00:35:03,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:35:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:35:04,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:35:04,278 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:04,279 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:04,280 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-23 00:35:04,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-23 00:35:04,335 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,361 INFO L478 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 24 treesize of output 18 [2018-11-23 00:35:04,368 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-23 00:35:04,369 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,372 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,397 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,537 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. [2018-11-23 00:35:04,537 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:49, output treesize:21 [2018-11-23 00:35:04,797 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-23 00:35:04,805 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:04,806 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:04,807 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-11-23 00:35:04,855 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:04,864 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 35 [2018-11-23 00:35:04,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,891 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-11-23 00:35:04,908 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 9 [2018-11-23 00:35:04,908 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,916 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:04,950 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. [2018-11-23 00:35:04,950 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:74, output treesize:35 [2018-11-23 00:35:05,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:35:05,241 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:35:05,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:35:05,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 00:35:05,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:35:05,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:35:05,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:35:05,252 INFO L87 Difference]: Start difference. First operand 226 states and 302 transitions. Second operand 9 states. [2018-11-23 00:35:06,213 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-23 00:35:06,484 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-11-23 00:35:35,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:35:35,182 INFO L93 Difference]: Finished difference Result 252 states and 330 transitions. [2018-11-23 00:35:35,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 00:35:35,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-11-23 00:35:35,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:35:35,302 INFO L225 Difference]: With dead ends: 252 [2018-11-23 00:35:35,302 INFO L226 Difference]: Without dead ends: 238 [2018-11-23 00:35:35,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:35:35,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-23 00:35:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 225. [2018-11-23 00:35:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 00:35:35,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 300 transitions. [2018-11-23 00:35:35,321 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 300 transitions. Word has length 29 [2018-11-23 00:35:35,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:35:35,321 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 300 transitions. [2018-11-23 00:35:35,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:35:35,321 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 300 transitions. [2018-11-23 00:35:35,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 00:35:35,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:35:35,326 INFO L402 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] [2018-11-23 00:35:35,327 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:35:35,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:35:35,327 INFO L82 PathProgramCache]: Analyzing trace with hash 576845704, now seen corresponding path program 1 times [2018-11-23 00:35:35,327 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:35:35,327 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:35:35,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:35:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:35:35,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:35:41,333 WARN L180 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-23 00:35:44,755 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:44,756 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:35:44,756 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-23 00:35:44,809 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 24 [2018-11-23 00:35:44,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:44,825 INFO L478 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 24 treesize of output 18 [2018-11-23 00:35:44,829 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-23 00:35:44,829 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-23 00:35:44,832 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:44,834 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 00:35:44,843 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. [2018-11-23 00:35:44,843 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-23 00:35:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:35:48,131 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 00:35:48,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:35:48,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-23 00:35:48,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 00:35:48,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 00:35:48,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-23 00:35:48,146 INFO L87 Difference]: Start difference. First operand 225 states and 300 transitions. Second operand 11 states. [2018-11-23 00:35:54,243 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 8 [2018-11-23 00:36:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:36:34,178 INFO L93 Difference]: Finished difference Result 232 states and 307 transitions. [2018-11-23 00:36:34,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 00:36:34,213 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-11-23 00:36:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:36:34,215 INFO L225 Difference]: With dead ends: 232 [2018-11-23 00:36:34,215 INFO L226 Difference]: Without dead ends: 225 [2018-11-23 00:36:34,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-23 00:36:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-23 00:36:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-11-23 00:36:34,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-23 00:36:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 299 transitions. [2018-11-23 00:36:34,236 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 299 transitions. Word has length 33 [2018-11-23 00:36:34,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:36:34,236 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 299 transitions. [2018-11-23 00:36:34,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 00:36:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 299 transitions. [2018-11-23 00:36:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 00:36:34,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:36:34,238 INFO L402 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] [2018-11-23 00:36:34,238 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:36:34,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:36:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash 276686568, now seen corresponding path program 1 times [2018-11-23 00:36:34,239 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 00:36:34,239 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7bd97d-d027-44b6-99e9-18170934d6cd/bin-2019/uautomizer/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 [2018-11-23 00:36:34,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:36:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:36:35,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:36:35,575 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:36:35,576 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:36:35,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:36:35,577 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 00:36:35,578 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2018-11-23 00:36:35,865 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2018-11-23 00:36:35,866 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:219) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacement(DerPreprocessor.java:208) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.convert(DerPreprocessor.java:142) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:211) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) 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:232) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) 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:456) 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:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) 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) [2018-11-23 00:36:35,868 INFO L168 Benchmark]: Toolchain (without parser) took 160197.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 945.4 MB in the beginning and 926.5 MB in the end (delta: 19.0 MB). Peak memory consumption was 214.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:36:35,869 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-23 00:36:35,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:36:35,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:36:35,870 INFO L168 Benchmark]: Boogie Preprocessor took 66.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:36:35,870 INFO L168 Benchmark]: RCFGBuilder took 42152.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 110.2 MB). Peak memory consumption was 110.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:36:35,871 INFO L168 Benchmark]: TraceAbstraction took 117530.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 994.1 MB in the beginning and 926.5 MB in the end (delta: 67.6 MB). Peak memory consumption was 136.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:36:35,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 422.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 945.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 47.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 42152.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 110.2 MB). Peak memory consumption was 110.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117530.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 994.1 MB in the beginning and 926.5 MB in the end (delta: 67.6 MB). Peak memory consumption was 136.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: nested self-update not yet implemented: (store v_arrayElimCell_10 (_ bv0 32) ((_ extract 31 0) v_prenex_60)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.DerPreprocessor.constructReplacementForStoreCase(DerPreprocessor.java:248) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...