./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 e6812207659d67444abdc9d105ff32acac8458b5 ............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 e6812207659d67444abdc9d105ff32acac8458b5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:41:05,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:41:05,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:41:05,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:41:05,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:41:05,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:41:05,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:41:05,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:41:05,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:41:05,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:41:05,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:41:05,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:41:05,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:41:05,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:41:05,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:41:05,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:41:05,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:41:05,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:41:05,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:41:05,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:41:05,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:41:05,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:41:05,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:41:05,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:41:05,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:41:05,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:41:05,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:41:05,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:41:05,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:41:05,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:41:05,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:41:05,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:41:05,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:41:05,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:41:05,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:41:05,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:41:05,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:41:05,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:41:05,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:41:05,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:41:05,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:41:05,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:41:05,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:41:05,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:41:05,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:41:05,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:41:05,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:41:05,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:41:05,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:41:05,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:41:05,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:41:05,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:41:05,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:41:05,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:41:05,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:41:05,116 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:41:05,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:41:05,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:41:05,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:41:05,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:41:05,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:41:05,117 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:41:05,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:41:05,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:41:05,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:41:05,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:41:05,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:41:05,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:41:05,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:41:05,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:41:05,120 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2019-11-20 03:41:05,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:41:05,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:41:05,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:41:05,267 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:41:05,268 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:41:05,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-20 03:41:05,317 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/41f93d3b0/24d2a8920c7c4e3d90ead8a4abd45f79/FLAG5e25132a1 [2019-11-20 03:41:05,786 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:41:05,786 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-20 03:41:05,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/41f93d3b0/24d2a8920c7c4e3d90ead8a4abd45f79/FLAG5e25132a1 [2019-11-20 03:41:06,108 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/41f93d3b0/24d2a8920c7c4e3d90ead8a4abd45f79 [2019-11-20 03:41:06,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:41:06,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:41:06,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:41:06,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:41:06,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:41:06,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:41:06" (1/1) ... [2019-11-20 03:41:06,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4552a949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:06, skipping insertion in model container [2019-11-20 03:41:06,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:41:06" (1/1) ... [2019-11-20 03:41:06,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:41:06,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:41:06,430 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1636) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:317) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1832) 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:1455) 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:906) 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:1432) 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:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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) [2019-11-20 03:41:06,436 INFO L168 Benchmark]: Toolchain (without parser) took 323.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:06,436 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:41:06,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:41:06,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 17.8 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:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 03:41:08,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:41:08,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:41:08,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:41:08,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:41:08,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:41:08,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:41:08,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:41:08,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:41:08,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:41:08,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:41:08,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:41:08,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:41:08,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:41:08,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:41:08,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:41:08,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:41:08,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:41:08,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:41:08,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:41:08,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:41:08,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:41:08,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:41:08,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:41:08,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:41:08,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:41:08,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:41:08,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:41:08,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:41:08,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:41:08,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:41:08,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:41:08,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:41:08,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:41:08,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:41:08,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:41:08,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:41:08,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:41:08,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:41:08,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:41:08,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:41:08,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 03:41:08,157 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:41:08,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:41:08,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:41:08,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:41:08,160 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:41:08,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:41:08,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:41:08,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:41:08,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:41:08,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:41:08,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:41:08,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:41:08,163 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:41:08,164 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:41:08,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:41:08,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:41:08,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:41:08,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:41:08,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:41:08,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:41:08,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:41:08,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:41:08,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:41:08,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:41:08,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:41:08,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:41:08,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:41:08,172 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:41:08,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:41:08,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:41:08,172 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 -> e6812207659d67444abdc9d105ff32acac8458b5 [2019-11-20 03:41:08,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:41:08,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:41:08,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:41:08,450 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:41:08,451 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:41:08,451 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-20 03:41:08,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/c5d4fbc16/f654a685a0644ff7a92fc1d347a258e9/FLAG43167a65e [2019-11-20 03:41:08,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:41:08,886 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/sv-benchmarks/c/float-newlib/double_req_bl_0882.c [2019-11-20 03:41:08,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/c5d4fbc16/f654a685a0644ff7a92fc1d347a258e9/FLAG43167a65e [2019-11-20 03:41:09,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/data/c5d4fbc16/f654a685a0644ff7a92fc1d347a258e9 [2019-11-20 03:41:09,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:41:09,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:41:09,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:41:09,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:41:09,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:41:09,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc00b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09, skipping insertion in model container [2019-11-20 03:41:09,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:41:09,302 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:41:09,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:41:09,699 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:41:09,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:41:09,855 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:41:09,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09 WrapperNode [2019-11-20 03:41:09,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:41:09,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:41:09,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:41:09,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:41:09,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:41:09,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:41:09,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:41:09,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:41:09,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:09,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:10,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:10,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:10,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... [2019-11-20 03:41:10,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:41:10,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:41:10,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:41:10,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:41:10,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:41:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 03:41:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 03:41:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:41:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-20 03:41:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 03:41:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:41:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:41:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 03:41:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:41:58,081 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:41:58,081 INFO L285 CfgBuilder]: Removed 92 assume(true) statements. [2019-11-20 03:41:58,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:41:58 BoogieIcfgContainer [2019-11-20 03:41:58,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:41:58,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:41:58,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:41:58,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:41:58,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:41:09" (1/3) ... [2019-11-20 03:41:58,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c51c75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:41:58, skipping insertion in model container [2019-11-20 03:41:58,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:41:09" (2/3) ... [2019-11-20 03:41:58,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c51c75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:41:58, skipping insertion in model container [2019-11-20 03:41:58,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:41:58" (3/3) ... [2019-11-20 03:41:58,089 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0882.c [2019-11-20 03:41:58,098 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:41:58,104 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:41:58,112 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:41:58,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:41:58,136 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:41:58,136 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:41:58,136 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:41:58,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:41:58,137 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:41:58,137 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:41:58,137 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:41:58,156 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2019-11-20 03:41:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:41:58,162 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:41:58,163 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:41:58,163 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:41:58,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:58,169 INFO L82 PathProgramCache]: Analyzing trace with hash 484722149, now seen corresponding path program 1 times [2019-11-20 03:41:58,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:41:58,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126233569] [2019-11-20 03:41:58,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:41:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:58,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 03:41:58,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:58,433 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:41:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:58,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126233569] [2019-11-20 03:41:58,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:41:58,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 03:41:58,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035284653] [2019-11-20 03:41:58,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:41:58,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:41:58,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:41:58,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:41:58,463 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 2 states. [2019-11-20 03:41:58,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:41:58,520 INFO L93 Difference]: Finished difference Result 431 states and 736 transitions. [2019-11-20 03:41:58,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:41:58,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 03:41:58,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:41:58,547 INFO L225 Difference]: With dead ends: 431 [2019-11-20 03:41:58,547 INFO L226 Difference]: Without dead ends: 213 [2019-11-20 03:41:58,552 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:41:58,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-20 03:41:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2019-11-20 03:41:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-11-20 03:41:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 292 transitions. [2019-11-20 03:41:58,623 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 292 transitions. Word has length 11 [2019-11-20 03:41:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:41:58,624 INFO L462 AbstractCegarLoop]: Abstraction has 213 states and 292 transitions. [2019-11-20 03:41:58,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:41:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 292 transitions. [2019-11-20 03:41:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:41:58,625 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:41:58,625 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:41:58,834 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 03:41:58,835 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:41:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:41:58,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1071825986, now seen corresponding path program 1 times [2019-11-20 03:41:58,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:41:58,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47487758] [2019-11-20 03:41:58,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:41:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:41:59,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 03:41:59,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:41:59,235 INFO L377 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 31 [2019-11-20 03:41:59,249 INFO L377 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 03:41:59,250 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,274 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,274 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:41:59,275 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,278 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,278 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,296 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,297 INFO L496 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. [2019-11-20 03:41:59,297 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2019-11-20 03:41:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:59,359 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:41:59,434 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,434 INFO L377 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 4 case distinctions, treesize of input 40 treesize of output 40 [2019-11-20 03:41:59,473 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,474 INFO L377 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 36 [2019-11-20 03:41:59,475 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,490 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,499 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,500 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2019-11-20 03:41:59,500 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,507 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,508 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:41:59,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:41:59,522 INFO L496 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. [2019-11-20 03:41:59,523 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:50, output treesize:21 [2019-11-20 03:41:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:41:59,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47487758] [2019-11-20 03:41:59,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:41:59,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 03:41:59,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601116358] [2019-11-20 03:41:59,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 03:41:59,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:41:59,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 03:41:59,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 03:41:59,634 INFO L87 Difference]: Start difference. First operand 213 states and 292 transitions. Second operand 8 states. [2019-11-20 03:42:12,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:12,190 INFO L93 Difference]: Finished difference Result 366 states and 483 transitions. [2019-11-20 03:42:12,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 03:42:12,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-11-20 03:42:12,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:42:12,312 INFO L225 Difference]: With dead ends: 366 [2019-11-20 03:42:12,312 INFO L226 Difference]: Without dead ends: 181 [2019-11-20 03:42:12,314 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 03:42:12,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2019-11-20 03:42:12,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 172. [2019-11-20 03:42:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2019-11-20 03:42:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2019-11-20 03:42:12,327 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 13 [2019-11-20 03:42:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:42:12,327 INFO L462 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2019-11-20 03:42:12,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 03:42:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2019-11-20 03:42:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:42:12,328 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:42:12,328 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:12,543 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 03:42:12,544 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:42:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash 754691751, now seen corresponding path program 1 times [2019-11-20 03:42:12,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:42:12,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281700612] [2019-11-20 03:42:12,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:42:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:12,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 03:42:12,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:12,858 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:42:13,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:13,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281700612] [2019-11-20 03:42:13,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:42:13,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 03:42:13,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783204814] [2019-11-20 03:42:13,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 03:42:13,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:42:13,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 03:42:13,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-20 03:42:13,005 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand 10 states. [2019-11-20 03:42:16,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:16,302 INFO L93 Difference]: Finished difference Result 322 states and 405 transitions. [2019-11-20 03:42:16,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 03:42:16,315 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-11-20 03:42:16,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:42:16,316 INFO L225 Difference]: With dead ends: 322 [2019-11-20 03:42:16,317 INFO L226 Difference]: Without dead ends: 162 [2019-11-20 03:42:16,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-20 03:42:16,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2019-11-20 03:42:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 153. [2019-11-20 03:42:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-11-20 03:42:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 179 transitions. [2019-11-20 03:42:16,330 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 179 transitions. Word has length 15 [2019-11-20 03:42:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:42:16,330 INFO L462 AbstractCegarLoop]: Abstraction has 153 states and 179 transitions. [2019-11-20 03:42:16,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 03:42:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2019-11-20 03:42:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:42:16,331 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:42:16,331 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:16,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 03:42:16,544 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:42:16,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:16,545 INFO L82 PathProgramCache]: Analyzing trace with hash 756538793, now seen corresponding path program 1 times [2019-11-20 03:42:16,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:42:16,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131567715] [2019-11-20 03:42:16,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:42:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:16,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-20 03:42:16,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:16,918 INFO L377 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 56 [2019-11-20 03:42:16,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-20 03:42:16,945 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2019-11-20 03:42:16,945 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:16,974 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:16,987 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:42:16,988 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,010 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,017 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,018 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2019-11-20 03:42:17,018 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,028 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,029 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,059 INFO L496 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. [2019-11-20 03:42:17,059 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:79, output treesize:35 [2019-11-20 03:42:17,103 INFO L377 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 31 [2019-11-20 03:42:17,116 INFO L377 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 03:42:17,117 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,128 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,143 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,143 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:42:17,144 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,147 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,147 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,195 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,196 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-20 03:42:17,196 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:77, output treesize:49 [2019-11-20 03:42:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:17,373 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:42:17,498 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-11-20 03:42:17,532 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,533 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 39 [2019-11-20 03:42:17,555 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-20 03:42:17,556 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,572 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,627 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,628 INFO L377 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 4 case distinctions, treesize of input 62 treesize of output 60 [2019-11-20 03:42:17,667 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,667 INFO L377 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 33 treesize of output 37 [2019-11-20 03:42:17,668 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,694 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,707 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2019-11-20 03:42:17,708 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,722 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,722 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,767 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,767 INFO L377 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 4 case distinctions, treesize of input 47 treesize of output 47 [2019-11-20 03:42:17,799 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,799 INFO L377 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 1 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 33 [2019-11-20 03:42:17,800 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,835 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2019-11-20 03:42:17,835 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,842 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,843 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,864 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,865 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 42 [2019-11-20 03:42:17,876 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,876 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2019-11-20 03:42:17,876 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,897 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,897 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:17,937 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:17,938 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 4 xjuncts. [2019-11-20 03:42:17,938 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 4 variables, input treesize:191, output treesize:78 [2019-11-20 03:42:18,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 03:42:18,190 INFO L237 Elim1Store]: Index analysis took 103 ms [2019-11-20 03:42:18,222 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,223 INFO L377 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 8 case distinctions, treesize of input 73 treesize of output 75 [2019-11-20 03:42:18,320 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,320 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 53 treesize of output 68 [2019-11-20 03:42:18,320 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,352 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,384 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2019-11-20 03:42:18,384 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,412 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,430 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2019-11-20 03:42:18,430 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,444 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,444 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,541 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,541 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 80 treesize of output 85 [2019-11-20 03:42:18,573 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-20 03:42:18,573 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,619 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2019-11-20 03:42:18,619 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,640 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,640 INFO L496 ElimStorePlain]: Start of recursive call 6: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,681 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,681 INFO L377 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 8 case distinctions, treesize of input 77 treesize of output 79 [2019-11-20 03:42:18,731 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,732 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 53 treesize of output 68 [2019-11-20 03:42:18,732 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,762 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,773 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2019-11-20 03:42:18,774 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,795 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,802 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,802 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 29 [2019-11-20 03:42:18,803 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,816 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,817 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:42:18,881 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:42:18,883 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 3 xjuncts. [2019-11-20 03:42:18,883 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 5 variables, input treesize:231, output treesize:105 [2019-11-20 03:42:18,992 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:19,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131567715] [2019-11-20 03:42:19,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:42:19,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-20 03:42:19,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171129519] [2019-11-20 03:42:19,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 03:42:19,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:42:19,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 03:42:19,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-11-20 03:42:19,062 INFO L87 Difference]: Start difference. First operand 153 states and 179 transitions. Second operand 12 states. [2019-11-20 03:42:23,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:42:23,703 INFO L93 Difference]: Finished difference Result 171 states and 197 transitions. [2019-11-20 03:42:23,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:42:23,704 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2019-11-20 03:42:23,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:42:23,704 INFO L225 Difference]: With dead ends: 171 [2019-11-20 03:42:23,704 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 03:42:23,705 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-11-20 03:42:23,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 03:42:23,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2019-11-20 03:42:23,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2019-11-20 03:42:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2019-11-20 03:42:23,709 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 15 [2019-11-20 03:42:23,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:42:23,709 INFO L462 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2019-11-20 03:42:23,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 03:42:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2019-11-20 03:42:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 03:42:23,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:42:23,711 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:42:23,925 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 03:42:23,926 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:42:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:42:23,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1368879435, now seen corresponding path program 1 times [2019-11-20 03:42:23,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:42:23,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316817688] [2019-11-20 03:42:23,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:42:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:42:24,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 03:42:24,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:42:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:42:24,915 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:42:24,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:42:27,283 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x) (_ +zero 11 53)) is different from false [2019-11-20 03:42:29,637 WARN L860 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x) (_ +zero 11 53)) is different from true [2019-11-20 03:42:59,641 WARN L191 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 03:43:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:02,991 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316817688] [2019-11-20 03:43:02,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:43:02,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 03:43:02,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621670944] [2019-11-20 03:43:02,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-20 03:43:02,992 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:43:02,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-20 03:43:02,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=57, Unknown=10, NotChecked=16, Total=110 [2019-11-20 03:43:02,993 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 11 states. [2019-11-20 03:43:13,701 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-11-20 03:43:23,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:43:23,816 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2019-11-20 03:43:23,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:43:23,817 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 19 [2019-11-20 03:43:23,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:43:23,818 INFO L225 Difference]: With dead ends: 54 [2019-11-20 03:43:23,818 INFO L226 Difference]: Without dead ends: 51 [2019-11-20 03:43:23,821 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 52.9s TimeCoverageRelationStatistics Valid=66, Invalid=107, Unknown=13, NotChecked=24, Total=210 [2019-11-20 03:43:23,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-20 03:43:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 44. [2019-11-20 03:43:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 03:43:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2019-11-20 03:43:23,826 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 19 [2019-11-20 03:43:23,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:43:23,826 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2019-11-20 03:43:23,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-20 03:43:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-11-20 03:43:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 03:43:23,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:43:23,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:43:24,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 03:43:24,027 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:43:24,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:43:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash -319058285, now seen corresponding path program 1 times [2019-11-20 03:43:24,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:43:24,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898488050] [2019-11-20 03:43:24,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/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 [2019-11-20 03:43:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:24,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 03:43:24,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:43:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:24,292 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:43:24,293 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:24,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898488050] [2019-11-20 03:43:24,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:43:24,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 03:43:24,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867337997] [2019-11-20 03:43:24,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 03:43:24,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:43:24,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 03:43:24,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:43:24,338 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 9 states. [2019-11-20 03:43:26,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:43:26,164 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2019-11-20 03:43:26,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:43:26,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-11-20 03:43:26,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:43:26,166 INFO L225 Difference]: With dead ends: 56 [2019-11-20 03:43:26,166 INFO L226 Difference]: Without dead ends: 53 [2019-11-20 03:43:26,166 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2019-11-20 03:43:26,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-20 03:43:26,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2019-11-20 03:43:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-11-20 03:43:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2019-11-20 03:43:26,179 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 21 [2019-11-20 03:43:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:43:26,180 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2019-11-20 03:43:26,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 03:43:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2019-11-20 03:43:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 03:43:26,182 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:43:26,182 INFO L410 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] [2019-11-20 03:43:26,394 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-11-20 03:43:26,395 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:43:26,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:43:26,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1262256800, now seen corresponding path program 1 times [2019-11-20 03:43:26,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:43:26,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793426476] [2019-11-20 03:43:26,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-11-20 03:43:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:27,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-20 03:43:27,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:43:27,480 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:27,544 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:43:27,545 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:30,112 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_25_3 (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) v_skolemized_v_prenex_25_3) ((_ extract 62 52) v_skolemized_v_prenex_25_3) ((_ extract 51 0) v_skolemized_v_prenex_25_3)) (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~x))) (= (_ bv0 32) (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_25_3))))) is different from false [2019-11-20 03:43:34,258 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_25_3 (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) v_skolemized_v_prenex_25_3) ((_ extract 62 52) v_skolemized_v_prenex_25_3) ((_ extract 51 0) v_skolemized_v_prenex_25_3)) (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start_main_~x~0))) (= (_ bv0 32) (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_25_3))))) is different from false [2019-11-20 03:43:36,651 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_skolemized_v_prenex_25_3 (_ BitVec 64))) (or (not (= (fp ((_ extract 63 63) v_skolemized_v_prenex_25_3) ((_ extract 62 52) v_skolemized_v_prenex_25_3) ((_ extract 51 0) v_skolemized_v_prenex_25_3)) (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start_main_~x~0))) (= (_ bv0 32) (bvand (_ bv2147483648 32) ((_ extract 63 32) v_skolemized_v_prenex_25_3))))) is different from true [2019-11-20 03:43:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:36,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793426476] [2019-11-20 03:43:36,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:43:36,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 17 [2019-11-20 03:43:36,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324087259] [2019-11-20 03:43:36,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-20 03:43:36,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:43:36,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-20 03:43:36,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=203, Unknown=3, NotChecked=58, Total=306 [2019-11-20 03:43:36,723 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 18 states. [2019-11-20 03:43:43,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:43:43,992 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2019-11-20 03:43:43,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-20 03:43:43,993 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 23 [2019-11-20 03:43:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:43:43,993 INFO L225 Difference]: With dead ends: 53 [2019-11-20 03:43:43,993 INFO L226 Difference]: Without dead ends: 43 [2019-11-20 03:43:43,994 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=138, Invalid=372, Unknown=4, NotChecked=86, Total=600 [2019-11-20 03:43:43,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-11-20 03:43:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-11-20 03:43:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-11-20 03:43:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2019-11-20 03:43:43,997 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 23 [2019-11-20 03:43:43,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:43:43,997 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2019-11-20 03:43:43,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-20 03:43:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-11-20 03:43:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 03:43:43,998 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:43:43,998 INFO L410 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] [2019-11-20 03:43:44,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-11-20 03:43:44,199 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:43:44,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:43:44,199 INFO L82 PathProgramCache]: Analyzing trace with hash 826325992, now seen corresponding path program 1 times [2019-11-20 03:43:44,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:43:44,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977973405] [2019-11-20 03:43:44,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2019-11-20 03:43:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:44,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-20 03:43:44,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:43:44,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:44,556 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:43:44,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:44,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977973405] [2019-11-20 03:43:44,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:43:44,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2019-11-20 03:43:44,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286559478] [2019-11-20 03:43:44,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 03:43:44,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:43:44,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 03:43:44,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-20 03:43:44,784 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 16 states. [2019-11-20 03:43:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:43:45,122 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2019-11-20 03:43:45,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-20 03:43:45,123 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 25 [2019-11-20 03:43:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:43:45,124 INFO L225 Difference]: With dead ends: 50 [2019-11-20 03:43:45,124 INFO L226 Difference]: Without dead ends: 37 [2019-11-20 03:43:45,124 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2019-11-20 03:43:45,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-20 03:43:45,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-20 03:43:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-20 03:43:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2019-11-20 03:43:45,128 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 25 [2019-11-20 03:43:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:43:45,128 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2019-11-20 03:43:45,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 03:43:45,129 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-11-20 03:43:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 03:43:45,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:43:45,129 INFO L410 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] [2019-11-20 03:43:45,338 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2019-11-20 03:43:45,339 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:43:45,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:43:45,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1611916476, now seen corresponding path program 1 times [2019-11-20 03:43:45,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:43:45,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120551569] [2019-11-20 03:43:45,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c4e264c3-4e3f-4509-8e45-7cf7cf3448ea/bin/uautomizer/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2019-11-20 03:43:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:43:46,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-20 03:43:46,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:43:46,477 INFO L377 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 66 treesize of output 60 [2019-11-20 03:43:46,483 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:43:46,486 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:43:46,487 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:43:46,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:43:46,504 INFO L496 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. [2019-11-20 03:43:46,504 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:100, output treesize:61 [2019-11-20 03:43:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:43:46,669 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:43:46,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:43:49,107 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~z~1) (_ +zero 11 53)) is different from false [2019-11-20 03:43:51,499 WARN L860 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~z~1) (_ +zero 11 53)) is different from true [2019-11-20 03:43:53,868 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start___ieee754_pow_~ax~0) (_ +zero 11 53)) is different from false [2019-11-20 03:43:57,825 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 |c_ULTIMATE.start_fabs_double_#res|) (_ +zero 11 53)) is different from false [2019-11-20 03:44:02,194 WARN L838 $PredicateComparison]: unable to prove that (fp.eq (fp.div roundNearestTiesToEven c_~one_pow~0 c_ULTIMATE.start_fabs_double_~x) (_ +zero 11 53)) is different from false [2019-11-20 03:44:04,011 INFO L377 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 63 treesize of output 57 [2019-11-20 03:44:04,017 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:44:08,821 WARN L191 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 15 [2019-11-20 03:44:08,821 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:44:08,821 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:44:20,632 WARN L191 SmtUtils]: Spent 11.81 s on a formula simplification that was a NOOP. DAG size: 23 [2019-11-20 03:44:20,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:44:20,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-20 03:44:20,633 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:74, output treesize:38 [2019-11-20 03:44:23,801 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-11-20 03:44:24,002 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2019-11-20 03:44:24,002 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:153) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:829) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:576) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:419) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:334) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:177) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 42 more [2019-11-20 03:44:24,006 INFO L168 Benchmark]: Toolchain (without parser) took 194774.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.3 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -100.3 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,006 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:44:24,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,007 INFO L168 Benchmark]: Boogie Preprocessor took 105.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,008 INFO L168 Benchmark]: RCFGBuilder took 48030.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.8 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,008 INFO L168 Benchmark]: TraceAbstraction took 145921.66 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:44:24,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 48030.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 947.8 MB in the end (delta: 113.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 145921.66 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...