./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ................................................................................................................................................................................................................................................................................................... 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_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 66cb741c1a4973eb036ada076f70b691f8ab4b25 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 14:43:23,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:43:23,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:43:23,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:43:23,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:43:23,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:43:23,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:43:23,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:43:23,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:43:23,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:43:23,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:43:23,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:43:23,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:43:23,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:43:23,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:43:23,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:43:23,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:43:23,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:43:23,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:43:23,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:43:23,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:43:23,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:43:23,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:43:23,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:43:23,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:43:23,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:43:23,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:43:23,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:43:23,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:43:23,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:43:23,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:43:23,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:43:23,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:43:23,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:43:23,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:43:23,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:43:23,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:43:23,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:43:23,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:43:23,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:43:23,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:43:23,904 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:43:23,913 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:43:23,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:43:23,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:43:23,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:43:23,914 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:43:23,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:43:23,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:43:23,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:43:23,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:43:23,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:43:23,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:43:23,917 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_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-12-07 14:43:24,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:43:24,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:43:24,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:43:24,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:43:24,030 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:43:24,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 14:43:24,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/c604beb7e/9fe052e4d957456b9724699d6d634218/FLAGcfb1c1d47 [2019-12-07 14:43:24,436 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:43:24,437 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 14:43:24,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/c604beb7e/9fe052e4d957456b9724699d6d634218/FLAGcfb1c1d47 [2019-12-07 14:43:24,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/c604beb7e/9fe052e4d957456b9724699d6d634218 [2019-12-07 14:43:24,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:43:24,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:43:24,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:24,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:43:24,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:43:24,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:24" (1/1) ... [2019-12-07 14:43:24,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629311fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:24, skipping insertion in model container [2019-12-07 14:43:24,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:24" (1/1) ... [2019-12-07 14:43:24,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:43:24,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:43:25,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:25,051 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:43:25,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:25,094 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:43:25,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25 WrapperNode [2019-12-07 14:43:25,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:25,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:25,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:43:25,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:43:25,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:25,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:43:25,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:43:25,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:43:25,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... [2019-12-07 14:43:25,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:43:25,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:43:25,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:43:25,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:43:25,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 [2019-12-07 14:43:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:43:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:43:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:43:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:43:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:43:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:43:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:43:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 14:43:25,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:43:25,476 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:43:25,476 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 14:43:25,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:25 BoogieIcfgContainer [2019-12-07 14:43:25,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:43:25,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:43:25,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:43:25,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:43:25,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:43:24" (1/3) ... [2019-12-07 14:43:25,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c77f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:25, skipping insertion in model container [2019-12-07 14:43:25,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:25" (2/3) ... [2019-12-07 14:43:25,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c77f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:25, skipping insertion in model container [2019-12-07 14:43:25,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:25" (3/3) ... [2019-12-07 14:43:25,481 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-12-07 14:43:25,488 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:43:25,492 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:43:25,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:43:25,515 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:43:25,515 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:43:25,515 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:43:25,515 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:43:25,515 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:43:25,515 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:43:25,515 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:43:25,516 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:43:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-12-07 14:43:25,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:43:25,530 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:25,530 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:25,530 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:25,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:25,534 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-12-07 14:43:25,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:43:25,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419664842] [2019-12-07 14:43:25,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:43:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:25,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:43:25,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419664842] [2019-12-07 14:43:25,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:25,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:43:25,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066758920] [2019-12-07 14:43:25,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:43:25,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:43:25,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:43:25,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:25,634 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-12-07 14:43:25,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:25,648 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-12-07 14:43:25,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:43:25,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 14:43:25,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:25,656 INFO L225 Difference]: With dead ends: 108 [2019-12-07 14:43:25,656 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 14:43:25,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:25,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 14:43:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 14:43:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 14:43:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-12-07 14:43:25,683 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-12-07 14:43:25,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:25,683 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-12-07 14:43:25,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:43:25,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-12-07 14:43:25,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 14:43:25,684 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:25,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:25,684 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:25,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:25,684 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-12-07 14:43:25,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:43:25,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002719558] [2019-12-07 14:43:25,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:43:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:43:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:43:25,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:43:25,769 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:43:25,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:43:25 BoogieIcfgContainer [2019-12-07 14:43:25,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:43:25,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:43:25,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:43:25,791 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:43:25,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:25" (3/4) ... [2019-12-07 14:43:25,794 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:43:25,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:43:25,795 INFO L168 Benchmark]: Toolchain (without parser) took 946.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.3 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,796 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:43:25,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:43:25,797 INFO L168 Benchmark]: Boogie Preprocessor took 27.54 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,797 INFO L168 Benchmark]: RCFGBuilder took 317.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,798 INFO L168 Benchmark]: TraceAbstraction took 313.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,798 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:43:25,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.54 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 313.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 176]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L170] double x = 1.0 / 0.0; [L171] double y = __VERIFIER_nondet_double(); [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L172] double res = fmod_double(x, y); [L16] return x != x; VAL [one_fmod=1, Zero_fmod={3:0}] [L175] COND TRUE !isnan_double(res) [L176] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 14:43:27,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:43:27,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:43:27,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:43:27,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:43:27,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:43:27,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:43:27,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:43:27,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:43:27,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:43:27,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:43:27,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:43:27,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:43:27,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:43:27,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:43:27,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:43:27,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:43:27,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:43:27,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:43:27,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:43:27,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:43:27,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:43:27,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:43:27,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:43:27,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:43:27,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:43:27,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:43:27,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:43:27,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:43:27,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:43:27,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:43:27,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:43:27,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:43:27,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:43:27,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:43:27,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:43:27,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:43:27,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:43:27,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:43:27,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:43:27,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:43:27,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:43:27,190 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:43:27,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:43:27,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:43:27,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:43:27,191 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:43:27,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:43:27,192 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:43:27,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:43:27,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:43:27,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:43:27,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:43:27,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:43:27,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:43:27,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:43:27,194 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:43:27,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:43:27,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:43:27,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:43:27,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:43:27,195 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_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 -> 66cb741c1a4973eb036ada076f70b691f8ab4b25 [2019-12-07 14:43:27,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:43:27,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:43:27,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:43:27,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:43:27,383 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:43:27,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 14:43:27,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/9da56048e/f52d1da9ef664049b28b02dd3b462060/FLAGd9c4637fc [2019-12-07 14:43:27,773 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:43:27,773 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2019-12-07 14:43:27,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/9da56048e/f52d1da9ef664049b28b02dd3b462060/FLAGd9c4637fc [2019-12-07 14:43:27,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/data/9da56048e/f52d1da9ef664049b28b02dd3b462060 [2019-12-07 14:43:27,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:43:27,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:43:27,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:27,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:43:27,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:43:27,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:27" (1/1) ... [2019-12-07 14:43:27,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:27, skipping insertion in model container [2019-12-07 14:43:27,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:43:27" (1/1) ... [2019-12-07 14:43:27,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:43:27,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:43:27,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:27,956 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:43:28,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:43:28,045 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:43:28,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28 WrapperNode [2019-12-07 14:43:28,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:43:28,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:28,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:43:28,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:43:28,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:43:28,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:43:28,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:43:28,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:43:28,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... [2019-12-07 14:43:28,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:43:28,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:43:28,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:43:28,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:43:28,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 [2019-12-07 14:43:28,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:43:28,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:43:28,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:43:31,416 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:43:31,416 INFO L287 CfgBuilder]: Removed 22 assume(true) statements. [2019-12-07 14:43:31,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:31 BoogieIcfgContainer [2019-12-07 14:43:31,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:43:31,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:43:31,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:43:31,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:43:31,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:43:27" (1/3) ... [2019-12-07 14:43:31,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a369a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:31, skipping insertion in model container [2019-12-07 14:43:31,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:43:28" (2/3) ... [2019-12-07 14:43:31,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a369a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:43:31, skipping insertion in model container [2019-12-07 14:43:31,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:31" (3/3) ... [2019-12-07 14:43:31,421 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2019-12-07 14:43:31,428 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:43:31,432 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:43:31,439 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:43:31,455 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:43:31,456 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:43:31,456 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:43:31,456 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:43:31,456 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:43:31,456 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:43:31,456 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:43:31,456 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:43:31,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-12-07 14:43:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 14:43:31,471 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:31,472 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:31,472 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:31,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:31,476 INFO L82 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2019-12-07 14:43:31,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:43:31,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993561903] [2019-12-07 14:43:31,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 [2019-12-07 14:43:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:32,367 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:43:32,371 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:43:32,382 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:43:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:43:32,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993561903] [2019-12-07 14:43:32,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:43:32,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:43:32,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476055422] [2019-12-07 14:43:32,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:43:32,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:43:32,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:43:32,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:32,406 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2019-12-07 14:43:32,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:43:32,423 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2019-12-07 14:43:32,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:43:32,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 14:43:32,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:43:32,432 INFO L225 Difference]: With dead ends: 108 [2019-12-07 14:43:32,432 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 14:43:32,435 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:43:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 14:43:32,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 14:43:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 14:43:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2019-12-07 14:43:32,462 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2019-12-07 14:43:32,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:43:32,462 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2019-12-07 14:43:32,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:43:32,462 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2019-12-07 14:43:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 14:43:32,462 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:43:32,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:43:32,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:43:32,664 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:43:32,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:43:32,665 INFO L82 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2019-12-07 14:43:32,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:43:32,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471884535] [2019-12-07 14:43:32,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 [2019-12-07 14:43:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:43:33,612 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 14:43:33,614 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:43:42,847 WARN L192 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 14:43:42,850 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 14:43:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:43:55,999 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:44:07,922 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) is different from true [2019-12-07 14:44:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:09,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471884535] [2019-12-07 14:44:09,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:44:09,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2019-12-07 14:44:09,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42635521] [2019-12-07 14:44:09,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 14:44:09,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:44:09,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 14:44:09,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=67, Unknown=3, NotChecked=16, Total=110 [2019-12-07 14:44:09,732 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 11 states. [2019-12-07 14:44:13,315 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_fmod_double_~x ULTIMATE.start_fmod_double_~y))) (fp.div c_currentRoundingMode .cse1 .cse1)))) (fp.eq .cse0 .cse0)))) (= (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (_ +zero 11 53)) c_ULTIMATE.start_fmod_double_~x) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 14:44:20,918 WARN L838 $PredicateComparison]: unable to prove that (and (not (fp.eq |c_ULTIMATE.start_fmod_double_#res| |c_ULTIMATE.start_fmod_double_#res|)) (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |c_ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|)) is different from false [2019-12-07 14:44:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:44:21,474 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2019-12-07 14:44:21,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 14:44:21,507 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 12 [2019-12-07 14:44:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:44:21,508 INFO L225 Difference]: With dead ends: 57 [2019-12-07 14:44:21,508 INFO L226 Difference]: Without dead ends: 52 [2019-12-07 14:44:21,509 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 41.9s TimeCoverageRelationStatistics Valid=28, Invalid=69, Unknown=5, NotChecked=54, Total=156 [2019-12-07 14:44:21,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2019-12-07 14:44:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-12-07 14:44:21,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-12-07 14:44:21,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-12-07 14:44:21,515 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2019-12-07 14:44:21,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:44:21,516 INFO L462 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-12-07 14:44:21,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 14:44:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2019-12-07 14:44:21,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 14:44:21,516 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:44:21,516 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:44:21,717 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:44:21,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:44:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:44:21,719 INFO L82 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2019-12-07 14:44:21,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:44:21,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019384234] [2019-12-07 14:44:21,722 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/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 [2019-12-07 14:44:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:44:21,874 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 14:44:21,876 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:44:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:21,959 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:44:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 14:44:22,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019384234] [2019-12-07 14:44:22,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:44:22,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2019-12-07 14:44:22,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817552900] [2019-12-07 14:44:22,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 14:44:22,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:44:22,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 14:44:22,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 14:44:22,036 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand 7 states. [2019-12-07 14:44:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:44:22,097 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2019-12-07 14:44:22,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 14:44:22,098 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-12-07 14:44:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:44:22,098 INFO L225 Difference]: With dead ends: 52 [2019-12-07 14:44:22,099 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 14:44:22,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 14:44:22,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 14:44:22,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 14:44:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 14:44:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 14:44:22,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 14:44:22,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:44:22,100 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 14:44:22,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 14:44:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 14:44:22,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 14:44:22,301 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 14:44:22,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 14:44:35,861 WARN L192 SmtUtils]: Spent 13.49 s on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-12-07 14:44:40,385 WARN L192 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 17 DAG size of output: 10 [2019-12-07 14:44:40,389 INFO L246 CegarLoopResult]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-12-07 14:44:40,389 INFO L246 CegarLoopResult]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L242 CegarLoopResult]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,390 INFO L246 CegarLoopResult]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L242 CegarLoopResult]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-12-07 14:44:40,391 INFO L242 CegarLoopResult]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 14:44:40,391 INFO L246 CegarLoopResult]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L246 CegarLoopResult]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L242 CegarLoopResult]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-12-07 14:44:40,392 INFO L246 CegarLoopResult]: For program point L175(lines 175 178) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L246 CegarLoopResult]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L246 CegarLoopResult]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L246 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-12-07 14:44:40,392 INFO L242 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-12-07 14:44:40,393 INFO L242 CegarLoopResult]: At program point L160(lines 23 161) the Hoare annotation is: (not (fp.eq |ULTIMATE.start_fmod_double_#res| |ULTIMATE.start_fmod_double_#res|)) [2019-12-07 14:44:40,393 INFO L242 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-12-07 14:44:40,393 INFO L246 CegarLoopResult]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,394 INFO L249 CegarLoopResult]: At program point L180(lines 163 181) the Hoare annotation is: true [2019-12-07 14:44:40,394 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 14:44:40,395 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 14:44:40,395 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2019-12-07 14:44:40,395 INFO L246 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-12-07 14:44:40,395 INFO L242 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (and (exists ((ULTIMATE.start_fmod_double_~y (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) ULTIMATE.start_fmod_double_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res|)) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-12-07 14:44:40,395 INFO L246 CegarLoopResult]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-12-07 14:44:40,395 INFO L246 CegarLoopResult]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L242 CegarLoopResult]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-12-07 14:44:40,396 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-12-07 14:44:40,396 INFO L246 CegarLoopResult]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-12-07 14:44:40,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:44:40 BoogieIcfgContainer [2019-12-07 14:44:40,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:44:40,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:44:40,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:44:40,418 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:44:40,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:43:31" (3/4) ... [2019-12-07 14:44:40,421 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 14:44:40,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 14:44:40,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 14:44:40,431 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 14:44:40,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_662bffc8-7aa6-41c5-a8da-cc8df7a1eb04/bin/uautomizer/witness.graphml [2019-12-07 14:44:40,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:44:40,463 INFO L168 Benchmark]: Toolchain (without parser) took 72672.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 946.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:40,463 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-12-07 14:44:40,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:40,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:44:40,464 INFO L168 Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:40,465 INFO L168 Benchmark]: RCFGBuilder took 3305.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:40,465 INFO L168 Benchmark]: TraceAbstraction took 68999.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.3 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. [2019-12-07 14:44:40,465 INFO L168 Benchmark]: Witness Printer took 44.89 ms. Allocated memory is still 1.2 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:44:40,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 253.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -165.3 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3305.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 68999.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.3 MB in the end (delta: 125.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. * Witness Printer took 44.89 ms. Allocated memory is still 1.2 GB. Free memory is still 946.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 176]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: !~fp.eq~DOUBLE(\result, \result) - InvariantResult [Line: 16]: Loop Invariant [2019-12-07 14:44:40,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,471 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,472 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,473 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y)) == \result) && 1bv32 == \result - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2019-12-07 14:44:40,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 14:44:40,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 14:44:40,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 50.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.0s, HoareTripleCheckerStatistics: 160 SDtfs, 9 SDslu, 339 SDs, 0 SdLazy, 27 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 42.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 51 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 18.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 36.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 14 QuantifiedInterpolants, 5264 SizeOfPredicates, 19 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...