./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 479d6c726d10e8798df24a80dcd9ef5974b242df ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:40:01,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:40:01,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:40:01,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:40:01,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:40:01,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:40:01,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:40:01,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:40:01,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:40:01,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:40:01,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:40:01,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:40:01,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:40:01,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:40:01,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:40:01,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:40:01,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:40:01,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:40:01,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:40:01,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:40:01,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:40:01,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:40:01,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:40:01,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:40:01,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:40:01,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:40:01,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:40:01,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:40:01,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:40:01,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:40:01,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:40:01,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:40:01,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:40:01,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:40:01,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:40:01,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:40:01,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:40:01,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:40:01,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:40:01,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:40:01,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:40:01,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-12-07 12:40:01,212 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:40:01,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:40:01,212 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:40:01,213 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:40:01,213 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:40:01,214 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:40:01,214 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:40:01,214 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:40:01,214 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:40:01,214 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:40:01,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:40:01,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:40:01,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:40:01,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:40:01,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:40:01,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:40:01,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:40:01,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:40:01,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:40:01,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:40:01,218 INFO L138 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/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/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 ! overflow) ) 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 -> 479d6c726d10e8798df24a80dcd9ef5974b242df [2019-12-07 12:40:01,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:40:01,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:40:01,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:40:01,332 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:40:01,332 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:40:01,333 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/../../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2019-12-07 12:40:01,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/data/4cde8d169/26996bc71c4348c89ab9ded8c3c0853a/FLAG19636370a [2019-12-07 12:40:01,750 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:40:01,750 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2019-12-07 12:40:01,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/data/4cde8d169/26996bc71c4348c89ab9ded8c3c0853a/FLAG19636370a [2019-12-07 12:40:01,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/utaipan/data/4cde8d169/26996bc71c4348c89ab9ded8c3c0853a [2019-12-07 12:40:01,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:40:01,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:40:01,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:40:01,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:40:01,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:40:01,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:01,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750c908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01, skipping insertion in model container [2019-12-07 12:40:01,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:01,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:40:01,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:40:01,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:40:01,953 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:40:01,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:40:01,991 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:40:01,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01 WrapperNode [2019-12-07 12:40:01,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:40:01,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:40:01,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:40:01,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:40:01,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:40:02,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:40:02,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:40:02,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:40:02,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... [2019-12-07 12:40:02,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:40:02,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:40:02,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:40:02,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:40:02,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3734504-240f-4bef-a2ee-8aa3c464b8ed/bin/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 [2019-12-07 12:40:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:40:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:40:02,652 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:40:02,652 INFO L287 CfgBuilder]: Removed 30 assume(true) statements. [2019-12-07 12:40:02,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:02 BoogieIcfgContainer [2019-12-07 12:40:02,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:40:02,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:40:02,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:40:02,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:40:02,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:40:01" (1/3) ... [2019-12-07 12:40:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c02221c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:40:02, skipping insertion in model container [2019-12-07 12:40:02,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:01" (2/3) ... [2019-12-07 12:40:02,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c02221c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:40:02, skipping insertion in model container [2019-12-07 12:40:02,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:02" (3/3) ... [2019-12-07 12:40:02,659 INFO L109 eAbstractionObserver]: Analyzing ICFG soft_float_1-3.c.cil.c [2019-12-07 12:40:02,665 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:40:02,671 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-12-07 12:40:02,679 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-12-07 12:40:02,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:40:02,697 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:40:02,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:40:02,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:40:02,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:40:02,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:40:02,697 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:40:02,697 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:40:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2019-12-07 12:40:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 12:40:02,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:02,719 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:40:02,720 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:02,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash 923346353, now seen corresponding path program 1 times [2019-12-07 12:40:02,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:02,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918913821] [2019-12-07 12:40:02,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:02,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918913821] [2019-12-07 12:40:02,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:02,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:02,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519577944] [2019-12-07 12:40:02,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:40:02,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:02,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:40:02,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:40:02,828 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2019-12-07 12:40:02,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:02,850 INFO L93 Difference]: Finished difference Result 209 states and 261 transitions. [2019-12-07 12:40:02,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:40:02,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-12-07 12:40:02,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:02,859 INFO L225 Difference]: With dead ends: 209 [2019-12-07 12:40:02,859 INFO L226 Difference]: Without dead ends: 106 [2019-12-07 12:40:02,862 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:40:02,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-12-07 12:40:02,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-12-07 12:40:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-12-07 12:40:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2019-12-07 12:40:02,895 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 6 [2019-12-07 12:40:02,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:02,895 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2019-12-07 12:40:02,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:40:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2019-12-07 12:40:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 12:40:02,896 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:02,896 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:40:02,896 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:02,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:02,897 INFO L82 PathProgramCache]: Analyzing trace with hash 921960144, now seen corresponding path program 1 times [2019-12-07 12:40:02,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:02,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817108151] [2019-12-07 12:40:02,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:02,939 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817108151] [2019-12-07 12:40:02,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:02,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:02,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149371015] [2019-12-07 12:40:02,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:02,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:02,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:02,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:02,942 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2019-12-07 12:40:03,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,043 INFO L93 Difference]: Finished difference Result 215 states and 245 transitions. [2019-12-07 12:40:03,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:03,044 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 12:40:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,045 INFO L225 Difference]: With dead ends: 215 [2019-12-07 12:40:03,045 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 12:40:03,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 12:40:03,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 82. [2019-12-07 12:40:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-12-07 12:40:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2019-12-07 12:40:03,052 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 6 [2019-12-07 12:40:03,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,052 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2019-12-07 12:40:03,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-12-07 12:40:03,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 12:40:03,053 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,053 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,053 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,053 INFO L82 PathProgramCache]: Analyzing trace with hash -14434456, now seen corresponding path program 1 times [2019-12-07 12:40:03,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200900904] [2019-12-07 12:40:03,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:03,077 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200900904] [2019-12-07 12:40:03,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:03,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:03,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144210487] [2019-12-07 12:40:03,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:03,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:03,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:03,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:03,079 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 4 states. [2019-12-07 12:40:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,125 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2019-12-07 12:40:03,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:03,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-07 12:40:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,127 INFO L225 Difference]: With dead ends: 120 [2019-12-07 12:40:03,127 INFO L226 Difference]: Without dead ends: 116 [2019-12-07 12:40:03,127 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:40:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-12-07 12:40:03,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 83. [2019-12-07 12:40:03,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-12-07 12:40:03,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2019-12-07 12:40:03,133 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 8 [2019-12-07 12:40:03,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,134 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2019-12-07 12:40:03,134 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:03,134 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2019-12-07 12:40:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 12:40:03,134 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,134 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,135 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,135 INFO L82 PathProgramCache]: Analyzing trace with hash -447467999, now seen corresponding path program 1 times [2019-12-07 12:40:03,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326251250] [2019-12-07 12:40:03,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:03,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326251250] [2019-12-07 12:40:03,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:03,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:03,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048143182] [2019-12-07 12:40:03,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:40:03,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:03,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:40:03,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:40:03,153 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 3 states. [2019-12-07 12:40:03,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,189 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-12-07 12:40:03,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:40:03,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-07 12:40:03,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,191 INFO L225 Difference]: With dead ends: 112 [2019-12-07 12:40:03,191 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 12:40:03,191 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:40:03,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 12:40:03,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 81. [2019-12-07 12:40:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 12:40:03,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2019-12-07 12:40:03,198 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 9 [2019-12-07 12:40:03,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,198 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2019-12-07 12:40:03,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:40:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2019-12-07 12:40:03,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:40:03,199 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,199 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,199 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,199 INFO L82 PathProgramCache]: Analyzing trace with hash -284885532, now seen corresponding path program 1 times [2019-12-07 12:40:03,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663451202] [2019-12-07 12:40:03,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:03,288 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663451202] [2019-12-07 12:40:03,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:03,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 12:40:03,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850909581] [2019-12-07 12:40:03,289 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 12:40:03,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:03,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 12:40:03,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:40:03,289 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 7 states. [2019-12-07 12:40:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,371 INFO L93 Difference]: Finished difference Result 163 states and 182 transitions. [2019-12-07 12:40:03,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 12:40:03,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2019-12-07 12:40:03,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,373 INFO L225 Difference]: With dead ends: 163 [2019-12-07 12:40:03,373 INFO L226 Difference]: Without dead ends: 133 [2019-12-07 12:40:03,374 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-12-07 12:40:03,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-12-07 12:40:03,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 81. [2019-12-07 12:40:03,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-12-07 12:40:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-12-07 12:40:03,379 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 10 [2019-12-07 12:40:03,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,379 INFO L462 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-12-07 12:40:03,379 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 12:40:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-12-07 12:40:03,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:40:03,380 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,380 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,380 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,381 INFO L82 PathProgramCache]: Analyzing trace with hash -294100750, now seen corresponding path program 1 times [2019-12-07 12:40:03,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,381 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452753212] [2019-12-07 12:40:03,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:03,400 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452753212] [2019-12-07 12:40:03,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:03,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:03,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116308894] [2019-12-07 12:40:03,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:03,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:03,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:03,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:03,401 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2019-12-07 12:40:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,446 INFO L93 Difference]: Finished difference Result 119 states and 133 transitions. [2019-12-07 12:40:03,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:03,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 12:40:03,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,448 INFO L225 Difference]: With dead ends: 119 [2019-12-07 12:40:03,448 INFO L226 Difference]: Without dead ends: 117 [2019-12-07 12:40:03,448 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:40:03,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-12-07 12:40:03,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 84. [2019-12-07 12:40:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-12-07 12:40:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2019-12-07 12:40:03,454 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 10 [2019-12-07 12:40:03,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,454 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2019-12-07 12:40:03,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2019-12-07 12:40:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 12:40:03,454 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,454 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,455 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,455 INFO L82 PathProgramCache]: Analyzing trace with hash -99157872, now seen corresponding path program 1 times [2019-12-07 12:40:03,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84656849] [2019-12-07 12:40:03,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:03,477 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84656849] [2019-12-07 12:40:03,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:03,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:03,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881293748] [2019-12-07 12:40:03,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:03,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:40:03,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:03,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:03,479 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand 4 states. [2019-12-07 12:40:03,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:03,532 INFO L93 Difference]: Finished difference Result 122 states and 136 transitions. [2019-12-07 12:40:03,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:03,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 12:40:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:03,533 INFO L225 Difference]: With dead ends: 122 [2019-12-07 12:40:03,533 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 12:40:03,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:40:03,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 12:40:03,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 88. [2019-12-07 12:40:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2019-12-07 12:40:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions. [2019-12-07 12:40:03,539 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 10 [2019-12-07 12:40:03,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:03,539 INFO L462 AbstractCegarLoop]: Abstraction has 88 states and 101 transitions. [2019-12-07 12:40:03,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:03,540 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions. [2019-12-07 12:40:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 12:40:03,540 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:03,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:03,541 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 12:40:03,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:03,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1223166753, now seen corresponding path program 1 times [2019-12-07 12:40:03,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:40:03,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641201529] [2019-12-07 12:40:03,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:40:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:40:03,565 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 12:40:03,565 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:40:03,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:40:03 BoogieIcfgContainer [2019-12-07 12:40:03,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:40:03,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:40:03,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:40:03,580 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:40:03,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:02" (3/4) ... [2019-12-07 12:40:03,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:40:03,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:40:03,585 INFO L168 Benchmark]: Toolchain (without parser) took 1818.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.8 MB in the beginning and 850.4 MB in the end (delta: 94.4 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:03,585 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:40:03,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:03,586 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:40:03,586 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:40:03,586 INFO L168 Benchmark]: RCFGBuilder took 605.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:03,587 INFO L168 Benchmark]: TraceAbstraction took 926.08 ms. Allocated memory is still 1.1 GB. Free memory was 998.6 MB in the beginning and 850.4 MB in the end (delta: 148.2 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:03,587 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 850.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:40:03,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 225.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 605.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 926.08 ms. Allocated memory is still 1.1 GB. Free memory was 998.6 MB in the beginning and 850.4 MB in the end (delta: 148.2 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 850.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 67]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L216] unsigned int a ; [L217] unsigned int ma = __VERIFIER_nondet_uint(); [L218] signed char ea = __VERIFIER_nondet_char(); [L219] unsigned int b ; [L220] unsigned int mb = __VERIFIER_nondet_uint(); [L221] signed char eb = __VERIFIER_nondet_char(); [L222] unsigned int r_add ; [L223] unsigned int zero ; [L224] int sa ; [L225] int sb ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L230] int tmp___3 ; [L231] int tmp___4 ; [L232] int tmp___5 ; [L233] int tmp___6 ; [L234] int tmp___7 ; [L235] int tmp___8 ; [L236] int tmp___9 ; [L237] int __retres23 ; [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND TRUE ! m [L20] __retres4 = 0U [L70] return (__retres4); [L241] zero = base2flt(0, 0) [L15] unsigned int res ; [L16] unsigned int __retres4 ; [L19] COND FALSE !(! m) [L25] COND FALSE !(m < 1U << 24U) [L47] COND TRUE 1 [L49] COND FALSE !(m >= 1U << 25U) [L66] m = m & ~ (1U << 24U) [L67] EXPR e + 128 [L67] (e + 128) << 24U - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 36 error locations. Result: UNSAFE, OverallTime: 0.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 680 SDtfs, 610 SDslu, 591 SDs, 0 SdLazy, 292 SolverSat, 73 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 207 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...