./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2b759759a3d71804d881b2ee189e6dc13f7a855 .......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2b759759a3d71804d881b2ee189e6dc13f7a855 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:07:03,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:07:03,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:07:03,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:07:03,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:07:03,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:07:03,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:07:03,128 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:07:03,129 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:07:03,130 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:07:03,130 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:07:03,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:07:03,131 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:07:03,132 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:07:03,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:07:03,133 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:07:03,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:07:03,134 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:07:03,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:07:03,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:07:03,136 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:07:03,137 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:07:03,138 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:07:03,138 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:07:03,139 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:07:03,139 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:07:03,140 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:07:03,140 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:07:03,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:07:03,141 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:07:03,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:07:03,142 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:07:03,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:07:03,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:07:03,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:07:03,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:07:03,143 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:07:03,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:07:03,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:07:03,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:07:03,152 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:07:03,152 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:07:03,153 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:07:03,153 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:07:03,153 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:07:03,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:07:03,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:07:03,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:07:03,155 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:07:03,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:07:03,155 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:07:03,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:07:03,155 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:07:03,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:07:03,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:07:03,156 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan 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 -> Taipan 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-12-03 02:07:03,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:07:03,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:07:03,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:07:03,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:07:03,183 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:07:03,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:03,218 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/031485dfb/a5094417edb24bedafb20ecccca94946/FLAG424814179 [2018-12-03 02:07:03,555 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:07:03,556 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:03,562 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/031485dfb/a5094417edb24bedafb20ecccca94946/FLAG424814179 [2018-12-03 02:07:03,573 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/031485dfb/a5094417edb24bedafb20ecccca94946 [2018-12-03 02:07:03,575 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:07:03,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:07:03,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:07:03,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:07:03,579 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:07:03,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e9f86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03, skipping insertion in model container [2018-12-03 02:07:03,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:07:03,598 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:07:03,705 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:07:03,708 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:07:03,733 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:07:03,777 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:07:03,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03 WrapperNode [2018-12-03 02:07:03,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:07:03,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:07:03,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:07:03,779 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:07:03,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:07:03,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:07:03,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:07:03,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:07:03,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... [2018-12-03 02:07:03,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:07:03,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:07:03,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:07:03,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:07:03,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:07:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-03 02:07:03,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-03 02:07:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-03 02:07:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:07:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:07:03,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 02:07:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:07:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:07:03,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:07:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 02:07:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:07:04,075 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:07:04,075 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-03 02:07:04,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:04 BoogieIcfgContainer [2018-12-03 02:07:04,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:07:04,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:07:04,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:07:04,079 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:07:04,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:07:03" (1/3) ... [2018-12-03 02:07:04,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0ac453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:07:04, skipping insertion in model container [2018-12-03 02:07:04,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:03" (2/3) ... [2018-12-03 02:07:04,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a0ac453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:07:04, skipping insertion in model container [2018-12-03 02:07:04,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:04" (3/3) ... [2018-12-03 02:07:04,081 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:04,090 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:07:04,096 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:07:04,107 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:07:04,126 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:07:04,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:07:04,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:07:04,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:07:04,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:07:04,126 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:07:04,126 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:07:04,126 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:07:04,137 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-12-03 02:07:04,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 02:07:04,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:04,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:04,143 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:04,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:04,146 INFO L82 PathProgramCache]: Analyzing trace with hash -550785216, now seen corresponding path program 1 times [2018-12-03 02:07:04,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:07:04,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:07:04,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:04,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:07:04,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:07:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:04,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:04,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:07:04,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:07:04,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:07:04,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:07:04,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:07:04,250 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2018-12-03 02:07:04,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:04,265 INFO L93 Difference]: Finished difference Result 108 states and 163 transitions. [2018-12-03 02:07:04,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:07:04,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-03 02:07:04,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:04,272 INFO L225 Difference]: With dead ends: 108 [2018-12-03 02:07:04,272 INFO L226 Difference]: Without dead ends: 54 [2018-12-03 02:07:04,274 INFO L631 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 [2018-12-03 02:07:04,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-12-03 02:07:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-12-03 02:07:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-12-03 02:07:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2018-12-03 02:07:04,297 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 22 [2018-12-03 02:07:04,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:04,297 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2018-12-03 02:07:04,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:07:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2018-12-03 02:07:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 02:07:04,298 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:04,298 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:04,298 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:04,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:04,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1652815115, now seen corresponding path program 1 times [2018-12-03 02:07:04,299 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:07:04,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:07:04,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:04,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:07:04,300 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:07:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:07:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:07:04,354 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 02:07:04,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:07:04 BoogieIcfgContainer [2018-12-03 02:07:04,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:07:04,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:07:04,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:07:04,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:07:04,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:04" (3/4) ... [2018-12-03 02:07:04,383 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 02:07:04,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:07:04,384 INFO L168 Benchmark]: Toolchain (without parser) took 808.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -96.8 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:04,385 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:07:04,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:04,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.38 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:04,387 INFO L168 Benchmark]: Boogie Preprocessor took 25.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:07:04,387 INFO L168 Benchmark]: RCFGBuilder took 254.16 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:04,387 INFO L168 Benchmark]: TraceAbstraction took 303.79 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:04,388 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:07:04,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 961.4 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.38 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.98 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. * RCFGBuilder took 254.16 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 303.79 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: 37.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [\old(ivln10_log10)=8589934602, \old(Lg1_log)=8589934599, \old(Lg2_log)=8589934600, \old(Lg3_log)=8589934601, \old(Lg4_log)=8589934604, \old(Lg5_log)=8589934605, \old(Lg6_log)=8589934613, \old(Lg7_log)=8589934610, \old(ln2_hi_log)=8589934592, \old(ln2_lo_log)=8589934594, \old(log10_2hi_log10)=8589934595, \old(log10_2lo_log10)=8589934612, \old(two54_log)=8589934614, \old(two54_log10)=8589934596, \old(zero)=8589934616, \old(zero_log10)=8589934607, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = -1.0 / 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] CALL, EXPR __ieee754_log10(x) VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [\old(x)=8589934611, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [\old(x)=8589934611, hx=-1, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=5, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] RET, EXPR __ieee754_log10(x) VAL [__ieee754_log10(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L174] CALL, EXPR isnan_double(res) VAL [\old(x)=8589934593, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L161] return x != x; VAL [\old(x)=8589934593, \result=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934593, zero=0, zero_log10=0] [L174] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=8589934593, two54_log=18014398509481984, two54_log10=18014398509481984, x=8589934611, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 58 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 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=58occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-635dfa2 [2018-12-03 02:07:05,765 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:07:05,766 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:07:05,771 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:07:05,771 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:07:05,772 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:07:05,772 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:07:05,773 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:07:05,774 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:07:05,774 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:07:05,775 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:07:05,775 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:07:05,775 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:07:05,776 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:07:05,776 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:07:05,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:07:05,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:07:05,778 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:07:05,779 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:07:05,779 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:07:05,780 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:07:05,780 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:07:05,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:07:05,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:07:05,782 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:07:05,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:07:05,782 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:07:05,783 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:07:05,783 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:07:05,784 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:07:05,784 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:07:05,784 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:07:05,784 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:07:05,784 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:07:05,785 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:07:05,785 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:07:05,785 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 02:07:05,792 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:07:05,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:07:05,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:07:05,793 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:07:05,793 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:07:05,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 02:07:05,794 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:07:05,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:07:05,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:07:05,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 02:07:05,796 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan 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 -> Taipan 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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2018-12-03 02:07:05,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:07:05,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:07:05,822 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:07:05,823 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:07:05,823 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:07:05,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:05,857 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/02a99e9c8/0c5be601cd1f4445a2e422f2b88aa5e4/FLAG208ca020f [2018-12-03 02:07:06,246 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:07:06,247 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/sv-benchmarks/c/float-newlib/double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:06,251 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/02a99e9c8/0c5be601cd1f4445a2e422f2b88aa5e4/FLAG208ca020f [2018-12-03 02:07:06,259 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/data/02a99e9c8/0c5be601cd1f4445a2e422f2b88aa5e4 [2018-12-03 02:07:06,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:07:06,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:07:06,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:07:06,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:07:06,264 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:07:06,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06, skipping insertion in model container [2018-12-03 02:07:06,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:07:06,289 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:07:06,413 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:07:06,416 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:07:06,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:07:06,466 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:07:06,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06 WrapperNode [2018-12-03 02:07:06,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:07:06,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:07:06,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:07:06,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:07:06,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:07:06,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:07:06,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:07:06,492 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:07:06,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... [2018-12-03 02:07:06,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:07:06,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:07:06,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:07:06,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:07:06,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:07:06,580 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-03 02:07:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10 [2018-12-03 02:07:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10 [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-12-03 02:07:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:07:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:07:06,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:07:06,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:07:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:07:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 02:07:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:07:06,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:07:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 02:07:06,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:07:06,715 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:10,812 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:10,900 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:17,209 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:34,997 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:35,059 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:07:35,214 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:07:35,214 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-03 02:07:35,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:35 BoogieIcfgContainer [2018-12-03 02:07:35,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:07:35,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:07:35,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:07:35,216 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:07:35,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:07:06" (1/3) ... [2018-12-03 02:07:35,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a6f153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:07:35, skipping insertion in model container [2018-12-03 02:07:35,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:07:06" (2/3) ... [2018-12-03 02:07:35,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a6f153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:07:35, skipping insertion in model container [2018-12-03 02:07:35,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:35" (3/3) ... [2018-12-03 02:07:35,218 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b_true-unreach-call.c [2018-12-03 02:07:35,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:07:35,227 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:07:35,236 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:07:35,252 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 02:07:35,252 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:07:35,252 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:07:35,252 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:07:35,253 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:07:35,253 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:07:35,253 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:07:35,253 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:07:35,253 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:07:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2018-12-03 02:07:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 02:07:35,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:35,267 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:35,268 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:35,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:35,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1509043075, now seen corresponding path program 1 times [2018-12-03 02:07:35,274 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:07:35,274 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 02:07:35,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:35,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:07:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:36,002 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:07:36,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:36,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:07:36,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:07:36,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:07:36,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:07:36,033 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2018-12-03 02:07:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:36,051 INFO L93 Difference]: Finished difference Result 106 states and 161 transitions. [2018-12-03 02:07:36,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:07:36,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-03 02:07:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:36,058 INFO L225 Difference]: With dead ends: 106 [2018-12-03 02:07:36,058 INFO L226 Difference]: Without dead ends: 53 [2018-12-03 02:07:36,061 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:07:36,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-03 02:07:36,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-03 02:07:36,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-03 02:07:36,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2018-12-03 02:07:36,088 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 21 [2018-12-03 02:07:36,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:36,088 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2018-12-03 02:07:36,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:07:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-03 02:07:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 02:07:36,089 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:36,089 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:36,089 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:36,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:36,089 INFO L82 PathProgramCache]: Analyzing trace with hash -898305620, now seen corresponding path program 1 times [2018-12-03 02:07:36,090 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:07:36,090 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-03 02:07:36,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:36,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:07:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:36,901 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:07:36,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:36,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:07:36,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:07:36,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:07:36,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:07:36,917 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand 6 states. [2018-12-03 02:07:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:42,525 INFO L93 Difference]: Finished difference Result 67 states and 81 transitions. [2018-12-03 02:07:42,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:07:42,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-03 02:07:42,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:42,533 INFO L225 Difference]: With dead ends: 67 [2018-12-03 02:07:42,533 INFO L226 Difference]: Without dead ends: 57 [2018-12-03 02:07:42,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:07:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-03 02:07:42,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53. [2018-12-03 02:07:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-03 02:07:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2018-12-03 02:07:42,538 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 22 [2018-12-03 02:07:42,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:42,538 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2018-12-03 02:07:42,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:07:42,539 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2018-12-03 02:07:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 02:07:42,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:42,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:42,539 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:42,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:42,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2001373173, now seen corresponding path program 1 times [2018-12-03 02:07:42,540 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:07:42,540 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-03 02:07:42,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:42,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:07:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:42,713 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:07:42,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:42,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:07:42,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:07:42,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:07:42,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:07:42,725 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 6 states. [2018-12-03 02:07:45,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:45,598 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2018-12-03 02:07:45,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:07:45,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-03 02:07:45,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:45,600 INFO L225 Difference]: With dead ends: 72 [2018-12-03 02:07:45,600 INFO L226 Difference]: Without dead ends: 55 [2018-12-03 02:07:45,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:07:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-03 02:07:45,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2018-12-03 02:07:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-03 02:07:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2018-12-03 02:07:45,606 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 22 [2018-12-03 02:07:45,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:45,606 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2018-12-03 02:07:45,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:07:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-03 02:07:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 02:07:45,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:45,607 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:45,607 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:45,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:45,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1147051480, now seen corresponding path program 1 times [2018-12-03 02:07:45,607 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:07:45,607 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-03 02:07:45,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:46,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:07:48,809 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-12-03 02:07:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:48,910 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:07:48,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:48,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 02:07:48,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:07:48,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:07:48,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-12-03 02:07:48,927 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 10 states. [2018-12-03 02:07:54,152 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log10_#in~x| |c___ieee754_log10_#in~x|) c_~zero_log10~0) |c___ieee754_log10_#res|) (= c___ieee754_log10_~x |c___ieee754_log10_#in~x|) (= (_ +zero 11 53) c_~zero_log10~0)) is different from true [2018-12-03 02:07:55,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:55,084 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2018-12-03 02:07:55,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 02:07:55,084 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-12-03 02:07:55,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:55,085 INFO L225 Difference]: With dead ends: 60 [2018-12-03 02:07:55,085 INFO L226 Difference]: Without dead ends: 53 [2018-12-03 02:07:55,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=42, Invalid=120, Unknown=2, NotChecked=46, Total=210 [2018-12-03 02:07:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-03 02:07:55,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-12-03 02:07:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-12-03 02:07:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2018-12-03 02:07:55,092 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 23 [2018-12-03 02:07:55,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:55,092 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2018-12-03 02:07:55,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:07:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-12-03 02:07:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 02:07:55,093 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:07:55,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:07:55,093 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:07:55,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:07:55,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1259065987, now seen corresponding path program 1 times [2018-12-03 02:07:55,094 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:07:55,094 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-03 02:07:55,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:07:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:07:55,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:07:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:07:55,448 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:07:55,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:07:55,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:07:55,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:07:55,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:07:55,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:07:55,460 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand 6 states. [2018-12-03 02:07:58,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:07:58,106 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2018-12-03 02:07:58,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 02:07:58,107 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-12-03 02:07:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:07:58,107 INFO L225 Difference]: With dead ends: 53 [2018-12-03 02:07:58,107 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:07:58,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:07:58,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:07:58,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:07:58,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:07:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:07:58,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-12-03 02:07:58,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:07:58,109 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:07:58,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:07:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:07:58,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:07:58,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:07:58,360 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 161) the Hoare annotation is: true [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 161) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 161) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10EXIT(lines 118 158) no Hoare annotation was computed. [2018-12-03 02:07:58,360 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (= __ieee754_log10_~x |__ieee754_log10_#in~x|)) [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10FINAL(lines 118 158) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10ENTRY(lines 118 158) the Hoare annotation is: true [2018-12-03 02:07:58,361 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2018-12-03 02:07:58,361 INFO L444 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32)))))) [2018-12-03 02:07:58,362 INFO L444 ceAbstractionStarter]: At program point L150-3(lines 150 155) the Hoare annotation is: (or (not (= (_ +zero 11 53) ~zero_log10~0)) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32)))))) [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2018-12-03 02:07:58,362 INFO L444 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: (or (and (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log10_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv0 32))))) (exists ((v_prenex_13 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_13) ((_ extract 62 52) v_prenex_13) ((_ extract 51 0) v_prenex_13)) |__ieee754_log10_#in~x|) (= __ieee754_log10_~hx~1 ((_ extract 63 32) v_prenex_13))))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2018-12-03 02:07:58,362 INFO L451 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: true [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 30 109) no Hoare annotation was computed. [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-03 02:07:58,362 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L451 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: true [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L451 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: true [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-03 02:07:58,363 INFO L451 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 30 109) the Hoare annotation is: true [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 30 109) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:07:58,364 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= (_ +zero 11 53) ~zero_log10~0) [2018-12-03 02:07:58,364 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:07:58,365 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:07:58,365 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 02:07:58,365 INFO L444 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0) (= .cse0 main_~x~0))) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-03 02:07:58,365 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 163 180) the Hoare annotation is: true [2018-12-03 02:07:58,365 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 177) no Hoare annotation was computed. [2018-12-03 02:07:58,365 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 180) no Hoare annotation was computed. [2018-12-03 02:07:58,365 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) (not (= (_ +zero 11 53) ~zero_log10~0))) [2018-12-03 02:07:58,365 INFO L448 ceAbstractionStarter]: For program point L171-1(line 171) no Hoare annotation was computed. [2018-12-03 02:07:58,366 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 180) no Hoare annotation was computed. [2018-12-03 02:07:58,366 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-12-03 02:07:58,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,370 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,371 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,375 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,376 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,377 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,378 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,379 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:07:58 BoogieIcfgContainer [2018-12-03 02:07:58,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:07:58,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:07:58,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:07:58,381 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:07:58,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:07:35" (3/4) ... [2018-12-03 02:07:58,384 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:07:58,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-03 02:07:58,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:07:58,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10 [2018-12-03 02:07:58,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-12-03 02:07:58,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:07:58,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-12-03 02:07:58,393 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 02:07:58,393 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:07:58,393 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 02:07:58,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) [2018-12-03 02:07:58,409 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) [2018-12-03 02:07:58,410 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~Pluszero~LONGDOUBLE() == zero_log10) || (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) [2018-12-03 02:07:58,429 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36b6cb46-b114-4d05-a954-87a458d9d9fe/bin-2019/utaipan/witness.graphml [2018-12-03 02:07:58,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:07:58,430 INFO L168 Benchmark]: Toolchain (without parser) took 52168.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 943.4 MB in the beginning and 883.1 MB in the end (delta: 60.3 MB). Peak memory consumption was 200.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,430 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:07:58,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,431 INFO L168 Benchmark]: Boogie Preprocessor took 58.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,431 INFO L168 Benchmark]: RCFGBuilder took 28663.66 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: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,432 INFO L168 Benchmark]: TraceAbstraction took 23165.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,432 INFO L168 Benchmark]: Witness Printer took 48.38 ms. Allocated memory is still 1.2 GB. Free memory was 890.0 MB in the beginning and 883.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:07:58,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.0 GB. Free memory was 927.3 MB in the beginning and 921.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28663.66 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: 40.7 MB). Peak memory consumption was 40.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23165.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 197.0 MB). Peak memory consumption was 197.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.38 ms. Allocated memory is still 1.2 GB. Free memory was 890.0 MB in the beginning and 883.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 138]: Loop Invariant [2018-12-03 02:07:58,436 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,436 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,437 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-03 02:07:58,438 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] Derived loop invariant: ((\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) && (\exists v_prenex_13 : bv64 :: ~fp~LONGDOUBLE(v_prenex_13[63:63], v_prenex_13[62:52], v_prenex_13[51:0]) == \old(x) && hx == v_prenex_13[63:32])) || !(~Pluszero~LONGDOUBLE() == zero_log10) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || x == \old(x) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-12-03 02:07:58,439 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] Derived loop invariant: !(~Pluszero~LONGDOUBLE() == zero_log10) || (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 0bv32)) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 57 locations, 1 error locations. SAFE Result, 23.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 17.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 296 SDtfs, 108 SDslu, 926 SDs, 0 SdLazy, 171 SolverSat, 12 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 120 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 28 PreInvPairs, 41 NumberOfFragments, 149 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 122 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 109 ConstructedInterpolants, 22 QuantifiedInterpolants, 13921 SizeOfPredicates, 15 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...